YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:38:50,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:38:50,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:38:50,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:38:50,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:38:50,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:38:50,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:38:50,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:38:50,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:38:50,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:38:50,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:38:50,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:38:50,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:38:50,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:38:50,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:38:50,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:38:50,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:38:50,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:38:50,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:38:50,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:38:50,388 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:38:50,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:38:50,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:38:50,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:38:50,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:38:50,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:38:50,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:38:50,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:38:50,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:38:50,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:38:50,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:38:50,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:38:50,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:38:50,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:38:50,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:38:50,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:38:50,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:38:50,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:38:50,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:38:50,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:38:50,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:38:50,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:38:50,396 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:38:50,407 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:38:50,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:38:50,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:38:50,408 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:38:50,408 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:38:50,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:38:50,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:38:50,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:38:50,410 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:38:50,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:38:50,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:38:50,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:38:50,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:38:50,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:38:50,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:38:50,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:38:50,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:38:50,547 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:38:50,548 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:38:50,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:38:50,583 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/53ca452f1d9f4734b9d8630c3d165cbb/FLAGfd6ecaafc [2023-02-13 03:38:50,946 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:38:50,946 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:38:50,950 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/53ca452f1d9f4734b9d8630c3d165cbb/FLAGfd6ecaafc [2023-02-13 03:38:51,400 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/53ca452f1d9f4734b9d8630c3d165cbb [2023-02-13 03:38:51,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:38:51,405 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:38:51,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:38:51,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:38:51,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:38:51,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717cd5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:38:51,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:38:51,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:38:51,490 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:38:51,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:38:51,502 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:38:51,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51 WrapperNode [2023-02-13 03:38:51,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:38:51,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:38:51,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:38:51,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:38:51,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,518 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8 [2023-02-13 03:38:51,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:38:51,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:38:51,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:38:51,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:38:51,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:38:51,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:38:51,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:38:51,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:38:51,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:38:51,551 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:38:51,562 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 03:38:51,569 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 03:38:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:38:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:38:51,646 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:38:51,647 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:38:51,675 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:38:51,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:38:51,688 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:38:51,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:38:51 BoogieIcfgContainer [2023-02-13 03:38:51,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:38:51,692 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:38:51,692 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:38:51,695 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:38:51,696 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:38:51" (1/1) ... [2023-02-13 03:38:51,712 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2023-02-13 03:38:51,713 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:38:51,713 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:38:51,714 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:38:51,714 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:38:51,715 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:38:51,716 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:38:51,716 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:38:51,740 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:38:51,744 INFO L200 BlockEncoder]: SBE split 0 edges [2023-02-13 03:38:51,748 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2023-02-13 03:38:51,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:38:51,757 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2023-02-13 03:38:51,764 INFO L70 RemoveSinkStates]: Removed 1 edges and 2 locations by removing sink states [2023-02-13 03:38:51,765 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:38:51,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:38:51,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:38:51,765 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:38:51,765 INFO L313 BlockEncoder]: Encoded RCFG 0 locations, 0 edges [2023-02-13 03:38:51,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:38:51 BasicIcfg [2023-02-13 03:38:51,765 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:38:51,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:38:51,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:38:51,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:38:51,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:38:51" (1/4) ... [2023-02-13 03:38:51,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f54f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (2/4) ... [2023-02-13 03:38:51,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f54f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:38:51" (3/4) ... [2023-02-13 03:38:51,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f54f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:38:51" (4/4) ... [2023-02-13 03:38:51,770 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:38:51,779 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:38:51,780 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:38:51,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f54f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:38:51,781 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:38:51,781 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:38:51,783 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:38:51,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:38:51,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:38:51" (1/4) ... [2023-02-13 03:38:51,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7788c70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:38:51,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:38:51" (2/4) ... [2023-02-13 03:38:51,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7788c70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:38:51,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:38:51" (3/4) ... [2023-02-13 03:38:51,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7788c70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:38:51, skipping insertion in model container [2023-02-13 03:38:51,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:38:51,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:38:51" (4/4) ... [2023-02-13 03:38:51,785 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:38:51,811 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:38:51,812 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:38:51,812 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:38:51,812 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:38:51,812 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:38:51,812 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:38:51,812 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:38:51,812 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:38:51,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 03:38:51,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:38:51,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:38:51,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:38:51 BasicIcfg [2023-02-13 03:38:51,823 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:38:51,824 INFO L158 Benchmark]: Toolchain (without parser) took 418.81ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 42.9GB. [2023-02-13 03:38:51,824 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 03:38:51,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 96.02ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.6MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:38:51,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.59ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:38:51,825 INFO L158 Benchmark]: Boogie Preprocessor took 8.67ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). Peak memory consumption was 16.8MB. Max. memory is 42.9GB. [2023-02-13 03:38:51,826 INFO L158 Benchmark]: RCFGBuilder took 163.67ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:38:51,826 INFO L158 Benchmark]: BlockEncodingV2 took 73.38ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:38:51,826 INFO L158 Benchmark]: TraceAbstraction took 14.03ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:38:51,827 INFO L158 Benchmark]: BuchiAutomizer took 42.25ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:38:51,829 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 0 locations, 0 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 96.02ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.6MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Procedure Inliner took 15.59ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Preprocessor took 8.67ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). Peak memory consumption was 16.8MB. Max. memory is 42.9GB. * RCFGBuilder took 163.67ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 73.38ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 14.03ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 42.9GB. * BuchiAutomizer took 42.25ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 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 03:38:51,852 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...