YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:40:45,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:40:45,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:40:45,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:40:45,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:40:45,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:40:45,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:40:45,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:40:45,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:40:45,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:40:45,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:40:45,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:40:45,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:40:45,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:40:45,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:40:45,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:40:45,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:40:45,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:40:45,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:40:45,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:40:45,823 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:40:45,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:40:45,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:40:45,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:40:45,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:40:45,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:40:45,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:40:45,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:40:45,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:40:45,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:40:45,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:40:45,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:40:45,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:40:45,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:40:45,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:40:45,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:40:45,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:40:45,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:40:45,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:40:45,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:40:45,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:40:45,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:40:45,832 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:40:45,842 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:40:45,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:40:45,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:40:45,843 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:40:45,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:40:45,843 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:40:45,844 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:45,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:40:45,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:40:45,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:45,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:40:45,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:40:45,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:40:45,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:40:45,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:40:45,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:40:45,983 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:40:45,984 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:40:45,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:46,021 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/343b922b7d2443c59a3e0907e91e13bc/FLAG0b2aecdac [2023-02-13 03:40:46,367 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:40:46,367 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:46,373 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/343b922b7d2443c59a3e0907e91e13bc/FLAG0b2aecdac [2023-02-13 03:40:46,827 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/343b922b7d2443c59a3e0907e91e13bc [2023-02-13 03:40:46,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:40:46,832 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:40:46,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:46,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:40:46,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:40:46,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7c96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46, skipping insertion in model container [2023-02-13 03:40:46,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:40:46,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:40:46,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:46,938 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:40:46,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:46,950 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:40:46,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46 WrapperNode [2023-02-13 03:40:46,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:46,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:46,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:40:46,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:40:46,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,966 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2023-02-13 03:40:46,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:46,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:40:46,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:40:46,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:40:46,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:40:46,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:40:46,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:40:46,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:40:46,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (1/1) ... [2023-02-13 03:40:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:46,998 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,014 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 03:40:47,016 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 03:40:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:40:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:40:47,104 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:40:47,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:40:47,171 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:40:47,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:40:47,180 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:40:47,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:47 BoogieIcfgContainer [2023-02-13 03:40:47,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:40:47,183 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:40:47,183 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:40:47,185 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:40:47,186 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:47" (1/1) ... [2023-02-13 03:40:47,197 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2023-02-13 03:40:47,199 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:40:47,200 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:40:47,200 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:40:47,201 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:47,202 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:40:47,203 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:40:47,203 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:40:47,213 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:40:47,218 INFO L200 BlockEncoder]: SBE split 0 edges [2023-02-13 03:40:47,220 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:40:47,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:47,226 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2023-02-13 03:40:47,227 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2023-02-13 03:40:47,228 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:40:47,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:47,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:40:47,228 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:40:47,229 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2023-02-13 03:40:47,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:47 BasicIcfg [2023-02-13 03:40:47,229 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:40:47,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:40:47,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:40:47,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:40:47,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:40:46" (1/4) ... [2023-02-13 03:40:47,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb61765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (2/4) ... [2023-02-13 03:40:47,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb61765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:47" (3/4) ... [2023-02-13 03:40:47,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb61765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:47" (4/4) ... [2023-02-13 03:40:47,233 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:47,243 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:40:47,243 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:40:47,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb61765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:40:47,244 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:40:47,244 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:40:47,246 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:40:47,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:47,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:40:46" (1/4) ... [2023-02-13 03:40:47,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33e557c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:47,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:46" (2/4) ... [2023-02-13 03:40:47,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33e557c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:47,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:47" (3/4) ... [2023-02-13 03:40:47,248 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33e557c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:47, skipping insertion in model container [2023-02-13 03:40:47,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:47,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:47" (4/4) ... [2023-02-13 03:40:47,248 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:47,276 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:40:47,276 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:40:47,276 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:40:47,276 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:40:47,276 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:40:47,276 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:40:47,276 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:40:47,277 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:40:47,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 03:40:47,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-13 03:40:47,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:47,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:47,291 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:47,292 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-13 03:40:47,292 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:40:47,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 03:40:47,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-13 03:40:47,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:47,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:47,292 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:47,292 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-13 03:40:47,295 INFO L733 eck$LassoCheckResult]: Stem: 2#ULTIMATE.startENTRYtrue [28] ULTIMATE.startENTRY-->L20-2: Formula: (and (= |v_ULTIMATE.start_main_~x~0#1_6| 12) (= |v_ULTIMATE.start_main_~y~0#1_6| 0)) InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~z~0#1=|v_ULTIMATE.start_main_~z~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet0#1, ULTIMATE.start_main_~z~0#1] 3#L20-2true [2023-02-13 03:40:47,296 INFO L735 eck$LassoCheckResult]: Loop: 3#L20-2true [22] L20-2-->L20-2: Formula: (and (< 0 |v_ULTIMATE.start_main_~z~0#1_6|) (= (+ |v_ULTIMATE.start_main_~x~0#1_5| 1) |v_ULTIMATE.start_main_~x~0#1_4|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_5|) |v_ULTIMATE.start_main_~y~0#1_4|) (= (+ (- 1) |v_ULTIMATE.start_main_~z~0#1_6|) |v_ULTIMATE.start_main_~z~0#1_5|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~z~0#1=|v_ULTIMATE.start_main_~z~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~z~0#1=|v_ULTIMATE.start_main_~z~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1] 3#L20-2true [2023-02-13 03:40:47,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:47,299 INFO L85 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times [2023-02-13 03:40:47,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:47,305 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367545076] [2023-02-13 03:40:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:47,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:47,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:47,364 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2023-02-13 03:40:47,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:47,364 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142447034] [2023-02-13 03:40:47,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:47,371 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:47,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:47,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1851, now seen corresponding path program 1 times [2023-02-13 03:40:47,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:47,376 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454148386] [2023-02-13 03:40:47,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:47,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:47,381 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:47,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:47,424 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:47,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:47,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:47,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:47,425 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:47,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:47,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:47,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:47,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:47,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:47,434 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 03:40:47,441 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 03:40:47,443 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 03:40:47,445 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 03:40:47,447 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 03:40:47,492 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:47,493 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:47,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,494 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,495 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 03:40:47,497 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 03:40:47,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,522 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 03:40:47,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,523 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,524 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 03:40:47,526 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 03:40:47,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:47,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,551 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,551 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-3}, {ULTIMATE.start_main_~x~0#1=3}, {ULTIMATE.start_main_~x~0#1=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2023-02-13 03:40:47,567 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 03:40:47,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,568 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,569 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 03:40:47,571 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 03:40:47,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,572 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,584 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,584 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 03:40:47,598 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 03:40:47,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,598 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,599 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 03:40:47,600 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 03:40:47,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,609 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 03:40:47,623 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 03:40:47,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,624 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,625 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 03:40:47,629 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 03:40:47,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,654 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 03:40:47,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,655 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,657 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 03:40:47,658 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 03:40:47,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:47,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,681 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:47,681 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=6}, {ULTIMATE.start_main_~y~0#1=1}, {ULTIMATE.start_main_~y~0#1=-8}] Lambdas: [1, 9, 1] Nus: [0, 1] [2023-02-13 03:40:47,718 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:40:47,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,719 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,720 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 03:40:47,722 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 03:40:47,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:47,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,771 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 03:40:47,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:47,772 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,773 INFO L229 MonitoredProcess]: Starting monitored process 9 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 03:40:47,776 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:40:47,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:47,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:47,828 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:47,829 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:47,830 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:47,830 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:47,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:47,831 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:47,831 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:47,831 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:47,831 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:47,831 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:47,831 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:47,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:47,832 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:47,834 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 03:40:47,838 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 03:40:47,842 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 03:40:47,845 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 03:40:47,849 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 03:40:47,898 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:47,901 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,902 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 03:40:47,904 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 03:40:47,904 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 03:40:47,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:47,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:47,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:47,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:47,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:47,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:47,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:47,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:47,928 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 03:40:47,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:47,928 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,929 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 03:40:47,931 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 03:40:47,931 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 03:40:47,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:47,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:47,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:47,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:47,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:47,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:47,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:47,970 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 03:40:47,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:47,971 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:47,972 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 03:40:47,974 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 03:40:47,975 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 03:40:47,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:47,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:47,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:47,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:47,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:47,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:47,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:48,027 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 03:40:48,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:48,028 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:48,029 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 03:40:48,031 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 03:40:48,031 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 03:40:48,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:48,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:48,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:48,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:48,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:48,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:48,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:48,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:48,077 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 03:40:48,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:48,078 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:48,080 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 03:40:48,082 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 03:40:48,083 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 03:40:48,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:48,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:48,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:48,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:48,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:48,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:48,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:48,096 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:48,102 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:48,103 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:40:48,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:48,107 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:48,108 INFO L229 MonitoredProcess]: Starting monitored process 15 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 03:40:48,111 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-13 03:40:48,111 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:48,112 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:48,112 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:48,113 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-02-13 03:40:48,149 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 03:40:48,155 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:48,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:48,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:48,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:48,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:48,210 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 03:40:48,244 INFO L100 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2023-02-13 03:40:48,247 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 1 loop predicates [2023-02-13 03:40:48,248 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 03:40:48,258 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 3 states and 3 transitions. Complement of second has 2 states. [2023-02-13 03:40:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 03:40:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2023-02-13 03:40:48,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. [2023-02-13 03:40:48,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:48,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. [2023-02-13 03:40:48,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:48,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. [2023-02-13 03:40:48,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:48,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. [2023-02-13 03:40:48,281 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:48,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2023-02-13 03:40:48,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:40:48,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:40:48,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:40:48,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:48,286 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:48,286 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:48,286 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:48,286 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:40:48,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:40:48,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:48,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:40:48,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:48 BasicIcfg [2023-02-13 03:40:48,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:40:48,294 INFO L158 Benchmark]: Toolchain (without parser) took 1461.93ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 17.1MB). Peak memory consumption was 16.1MB. Max. memory is 42.9GB. [2023-02-13 03:40:48,294 INFO L158 Benchmark]: CDTParser took 0.10ms. 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 03:40:48,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 117.33ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:48,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.92ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:48,295 INFO L158 Benchmark]: Boogie Preprocessor took 8.58ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:48,295 INFO L158 Benchmark]: RCFGBuilder took 206.61ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:48,296 INFO L158 Benchmark]: BlockEncodingV2 took 46.24ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:48,296 INFO L158 Benchmark]: TraceAbstraction took 13.66ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:48,297 INFO L158 Benchmark]: BuchiAutomizer took 1049.07ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:48,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 8 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 117.33ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 14.92ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Preprocessor took 8.58ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * RCFGBuilder took 206.61ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 46.24ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.66ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BuchiAutomizer took 1049.07ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -12.4MB). 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 z and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp31 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 2 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 03:40:48,335 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-02-13 03:40:48,564 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...