YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:41:00,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:41:00,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:41:00,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:41:00,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:41:00,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:41:00,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:41:00,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:41:00,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:41:00,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:41:00,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:41:00,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:41:00,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:41:00,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:41:00,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:41:00,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:41:00,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:41:00,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:41:00,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:41:00,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:41:00,859 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:41:00,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:41:00,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:41:00,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:41:00,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:41:00,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:41:00,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:41:00,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:41:00,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:41:00,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:41:00,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:41:00,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:41:00,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:41:00,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:41:00,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:41:00,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:41:00,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:41:00,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:41:00,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:41:00,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:41:00,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:41:00,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:41:00,868 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:41:00,879 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:41:00,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:41:00,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:41:00,880 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:41:00,880 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:00,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:41:00,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:41:00,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:41:00,882 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:41:00,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:00,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:41:00,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:41:00,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:41:00,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/export/starexec/sandbox/solver/Ultimate/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:41:01,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:41:01,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:41:01,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:41:01,036 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:41:01,037 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:41:01,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:01,082 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/cae98dbc0b204af0ba30a8d773c98e4c/FLAG0b2b56bbe [2023-02-13 03:41:01,423 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:41:01,424 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:01,427 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/cae98dbc0b204af0ba30a8d773c98e4c/FLAG0b2b56bbe [2023-02-13 03:41:01,872 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/cae98dbc0b204af0ba30a8d773c98e4c [2023-02-13 03:41:01,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:41:01,880 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:41:01,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:01,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:41:01,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:41:01,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:01" (1/1) ... [2023-02-13 03:41:01,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e8073c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:01, skipping insertion in model container [2023-02-13 03:41:01,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:01" (1/1) ... [2023-02-13 03:41:01,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:41:01,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:41:01,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:01,990 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:41:01,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:02,004 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:41:02,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02 WrapperNode [2023-02-13 03:41:02,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:02,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:02,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:41:02,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:41:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,019 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2023-02-13 03:41:02,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:02,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:41:02,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:41:02,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:41:02,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:41:02,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:41:02,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:41:02,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:41:02,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:02,046 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,065 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Waiting until timeout for monitored process [2023-02-13 03:41:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:41:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:41:02,176 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:41:02,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:41:02,227 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:41:02,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:41:02,231 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:41:02,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:02 BoogieIcfgContainer [2023-02-13 03:41:02,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:41:02,233 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:41:02,233 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:41:02,235 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:41:02,235 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:02" (1/1) ... [2023-02-13 03:41:02,243 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges [2023-02-13 03:41:02,244 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:41:02,244 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:41:02,244 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:41:02,244 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:02,245 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:41:02,245 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:41:02,245 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:41:02,260 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:41:02,268 INFO L200 BlockEncoder]: SBE split 1 edges [2023-02-13 03:41:02,271 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:41:02,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:02,276 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:41:02,277 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2023-02-13 03:41:02,278 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:41:02,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:02,279 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2023-02-13 03:41:02,279 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:41:02,279 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:41:02,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:02,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:41:02,279 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:41:02,279 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2023-02-13 03:41:02,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:02 BasicIcfg [2023-02-13 03:41:02,280 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:41:02,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:41:02,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:41:02,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:41:02,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:41:01" (1/4) ... [2023-02-13 03:41:02,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3276a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (2/4) ... [2023-02-13 03:41:02,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3276a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:02" (3/4) ... [2023-02-13 03:41:02,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3276a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:02" (4/4) ... [2023-02-13 03:41:02,284 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:02,293 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:41:02,293 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:41:02,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3276a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:41:02,294 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:41:02,294 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:41:02,296 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:41:02,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:02,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:41:01" (1/4) ... [2023-02-13 03:41:02,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ccab203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:02,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:02" (2/4) ... [2023-02-13 03:41:02,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ccab203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:02,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:02" (3/4) ... [2023-02-13 03:41:02,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ccab203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:02, skipping insertion in model container [2023-02-13 03:41:02,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:02,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:02" (4/4) ... [2023-02-13 03:41:02,298 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:02,324 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:41:02,325 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:41:02,325 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:41:02,325 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:41:02,325 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:41:02,325 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:41:02,325 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:41:02,325 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:41:02,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:41:02,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-13 03:41:02,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:02,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:02,339 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:02,340 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:41:02,340 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:41:02,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:41:02,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-13 03:41:02,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:02,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:02,340 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:02,340 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:41:02,343 INFO L733 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [53] ULTIMATE.startENTRY-->L21-2: Formula: (and (< 0 |v_ULTIMATE.start_main_~max~0#1_10|) (= |v_ULTIMATE.start_main_~x~0#1_11| 1) (= |v_ULTIMATE.start_main_~a~0#1_11| 0)) InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_11|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_8|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_10|, ULTIMATE.start_main_~a~0#1=|v_ULTIMATE.start_main_~a~0#1_11|, ULTIMATE.start_main_~max~0#1=|v_ULTIMATE.start_main_~max~0#1_10|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_5|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~a~0#1, ULTIMATE.start_main_~max~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 4#L21-2true [2023-02-13 03:41:02,343 INFO L735 eck$LassoCheckResult]: Loop: 4#L21-2true [41] L21-2-->L22: Formula: (<= |v_ULTIMATE.start_main_~x~0#1_6| |v_ULTIMATE.start_main_~max~0#1_6|) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~max~0#1=|v_ULTIMATE.start_main_~max~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~max~0#1=|v_ULTIMATE.start_main_~max~0#1_6|} AuxVars[] AssignedVars[] 2#L22true [48] L22-->L22-2: Formula: (and (< |v_ULTIMATE.start_main_#t~nondet3#1_3| 0) (= (+ |v_ULTIMATE.start_main_~a~0#1_6| 1) |v_ULTIMATE.start_main_~a~0#1_5|)) InVars {ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|, ULTIMATE.start_main_~a~0#1=|v_ULTIMATE.start_main_~a~0#1_6|} OutVars{ULTIMATE.start_main_~a~0#1=|v_ULTIMATE.start_main_~a~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~a~0#1] 5#L22-2true [43] L22-2-->L21-2: Formula: (= (+ |v_ULTIMATE.start_main_~x~0#1_8| 1) |v_ULTIMATE.start_main_~x~0#1_7|) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1] 4#L21-2true [2023-02-13 03:41:02,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:02,346 INFO L85 PathProgramCache]: Analyzing trace with hash 84, now seen corresponding path program 1 times [2023-02-13 03:41:02,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:02,352 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115163108] [2023-02-13 03:41:02,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:02,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:02,395 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:02,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:02,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:02,407 INFO L85 PathProgramCache]: Analyzing trace with hash 70723, now seen corresponding path program 1 times [2023-02-13 03:41:02,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:02,408 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919657322] [2023-02-13 03:41:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:02,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:02,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:02,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:02,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:02,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2543376, now seen corresponding path program 1 times [2023-02-13 03:41:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:02,419 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610120928] [2023-02-13 03:41:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:02,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:02,423 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:02,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:02,465 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:02,465 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:02,465 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:02,465 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:02,465 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:02,465 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,465 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:02,466 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:02,466 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:02,466 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:02,466 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:02,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,522 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:02,522 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:02,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,524 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,526 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-13 03:41:02,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:02,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,538 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:02,538 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=-1} Honda state: {ULTIMATE.start_main_#t~nondet3#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:02,560 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:02,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,561 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,563 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-13 03:41:02,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:02,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,577 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:02,578 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:02,607 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-13 03:41:02,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,608 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,609 INFO L229 MonitoredProcess]: Starting monitored process 4 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,611 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:41:02,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:02,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,629 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:02,629 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:02,662 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-13 03:41:02,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,664 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:41:02,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:02,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,704 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-13 03:41:02,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,706 INFO L229 MonitoredProcess]: Starting monitored process 6 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,708 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:41:02,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:02,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,729 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:02,730 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=1}, {ULTIMATE.start_main_~a~0#1=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2023-02-13 03:41:02,773 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:41:02,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,776 INFO L229 MonitoredProcess]: Starting monitored process 7 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,777 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:41:02,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:02,779 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,823 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:02,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:02,824 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:02,826 INFO L229 MonitoredProcess]: Starting monitored process 8 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:02,827 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:41:02,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:02,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:02,947 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:02,951 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:41:02,952 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:02,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:02,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:02,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:02,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:02,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:02,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:02,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:02,952 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:02,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:02,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:02,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:02,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:41:03,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:03,039 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:03,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:03,041 INFO L229 MonitoredProcess]: Starting monitored process 9 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:03,042 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:41:03,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:41:03,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:03,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:03,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:03,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:03,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:03,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:03,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:03,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:03,066 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:41:03,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:03,067 INFO L229 MonitoredProcess]: Starting monitored process 10 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:03,068 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:41:03,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:41:03,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:03,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:03,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:03,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:03,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:03,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:03,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:03,101 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-13 03:41:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:03,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:03,104 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:41:03,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:41:03,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:03,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:03,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:03,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:03,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:03,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:03,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:03,140 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-13 03:41:03,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:03,141 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:03,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:03,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:41:03,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:03,149 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-13 03:41:03,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:03,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:03,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:03,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:03,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:03,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:03,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:03,171 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-13 03:41:03,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:03,171 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:03,172 INFO L229 MonitoredProcess]: Starting monitored process 13 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:03,174 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-13 03:41:03,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:41:03,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:03,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:03,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:03,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:03,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:03,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:03,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:03,185 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:03,191 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:41:03,191 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:41:03,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:03,194 INFO L229 MonitoredProcess]: Starting monitored process 14 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:41:03,196 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-13 03:41:03,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:03,197 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:03,198 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:03,199 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~max~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~max~0#1 + 1 Supporting invariants [] [2023-02-13 03:41:03,227 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-13 03:41:03,236 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:03,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:03,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:03,300 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:41:03,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:41:03,368 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:41:03,371 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-13 03:41:03,373 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:41:03,430 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 12 transitions. Complement of second has 5 states. [2023-02-13 03:41:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2023-02-13 03:41:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:41:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-13 03:41:03,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 1 letters. Loop has 3 letters. [2023-02-13 03:41:03,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:03,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2023-02-13 03:41:03,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:03,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 1 letters. Loop has 6 letters. [2023-02-13 03:41:03,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:03,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. [2023-02-13 03:41:03,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:03,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2023-02-13 03:41:03,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:41:03,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:41:03,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:41:03,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:41:03,444 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:03,444 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:03,444 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:03,444 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:41:03,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:41:03,444 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:03,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:41:03,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:03 BasicIcfg [2023-02-13 03:41:03,448 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:41:03,449 INFO L158 Benchmark]: Toolchain (without parser) took 1571.72ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 23.5MB). Peak memory consumption was 24.5MB. Max. memory is 42.9GB. [2023-02-13 03:41:03,449 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:03,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 122.96ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:03,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.12ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:03,450 INFO L158 Benchmark]: Boogie Preprocessor took 8.79ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:03,450 INFO L158 Benchmark]: RCFGBuilder took 203.63ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:03,450 INFO L158 Benchmark]: BlockEncodingV2 took 46.30ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:03,450 INFO L158 Benchmark]: TraceAbstraction took 13.18ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:03,450 INFO L158 Benchmark]: BuchiAutomizer took 1154.21ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:03,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 13 edges - StatisticsResult: Encoded RCFG 4 locations, 6 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 122.96ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 15.12ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Preprocessor took 8.79ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 42.9GB. * RCFGBuilder took 203.63ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 46.30ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * TraceAbstraction took 13.18ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 42.9GB. * BuchiAutomizer took 1154.21ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 42.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function 2 * max + -2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-13 03:41:03,482 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-13 03:41:03,696 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Ended with exit code 0 Received shutdown request...