/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-3902331-m [2022-09-20 22:37:54,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 22:37:54,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 22:37:54,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 22:37:54,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 22:37:54,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 22:37:54,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 22:37:54,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 22:37:54,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 22:37:54,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 22:37:54,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 22:37:54,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 22:37:54,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 22:37:54,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 22:37:54,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 22:37:54,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 22:37:54,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 22:37:54,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 22:37:54,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 22:37:54,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 22:37:54,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 22:37:54,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 22:37:54,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 22:37:54,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 22:37:54,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-20 22:37:54,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 22:37:54,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 22:37:54,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 22:37:54,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-20 22:37:54,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 22:37:54,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 22:37:54,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 22:37:54,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 22:37:54,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 22:37:54,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 22:37:54,120 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 22:37:54,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 22:37:54,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 22:37:54,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 22:37:54,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 22:37:54,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 22:37:54,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 22:37:54,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:37:54,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 22:37:54,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 22:37:54,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 22:37:54,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 22:37:54,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 22:37:54,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 22:37:54,331 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 22:37:54,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-09-20 22:37:54,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63207d2b/0c78fe57baf24f7590b818b6fd6b083b/FLAGf8bb6e890 [2022-09-20 22:37:54,753 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 22:37:54,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-09-20 22:37:54,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63207d2b/0c78fe57baf24f7590b818b6fd6b083b/FLAGf8bb6e890 [2022-09-20 22:37:55,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63207d2b/0c78fe57baf24f7590b818b6fd6b083b [2022-09-20 22:37:55,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 22:37:55,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 22:37:55,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 22:37:55,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 22:37:55,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 22:37:55,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268925be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55, skipping insertion in model container [2022-09-20 22:37:55,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 22:37:55,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 22:37:55,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2022-09-20 22:37:55,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:37:55,382 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 22:37:55,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2022-09-20 22:37:55,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:37:55,433 INFO L208 MainTranslator]: Completed translation [2022-09-20 22:37:55,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55 WrapperNode [2022-09-20 22:37:55,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 22:37:55,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 22:37:55,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 22:37:55,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 22:37:55,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,465 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-09-20 22:37:55,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 22:37:55,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 22:37:55,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 22:37:55,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 22:37:55,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 22:37:55,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 22:37:55,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 22:37:55,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 22:37:55,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (1/1) ... [2022-09-20 22:37:55,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:37:55,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 22:37:55,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-20 22:37:55,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-20 22:37:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 22:37:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-20 22:37:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 22:37:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 22:37:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-20 22:37:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-20 22:37:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 22:37:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 22:37:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 22:37:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 22:37:55,564 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 22:37:55,655 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 22:37:55,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 22:37:55,826 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 22:37:55,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 22:37:55,831 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 22:37:55,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:55 BoogieIcfgContainer [2022-09-20 22:37:55,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 22:37:55,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 22:37:55,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 22:37:55,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 22:37:55,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 10:37:55" (1/3) ... [2022-09-20 22:37:55,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e386f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:37:55, skipping insertion in model container [2022-09-20 22:37:55,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:55" (2/3) ... [2022-09-20 22:37:55,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e386f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:37:55, skipping insertion in model container [2022-09-20 22:37:55,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:55" (3/3) ... [2022-09-20 22:37:55,839 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2022-09-20 22:37:55,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 22:37:55,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 22:37:55,868 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 22:37:55,923 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-20 22:37:55,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 68 transitions, 141 flow [2022-09-20 22:37:56,012 INFO L130 PetriNetUnfolder]: 1/67 cut-off events. [2022-09-20 22:37:56,012 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-20 22:37:56,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 1/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-09-20 22:37:56,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 68 transitions, 141 flow [2022-09-20 22:37:56,020 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-09-20 22:37:56,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 22:37:56,039 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7be1109f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 22:37:56,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-20 22:37:56,056 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-09-20 22:37:56,057 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-20 22:37:56,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:37:56,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:37:56,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:37:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:37:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2081940106, now seen corresponding path program 1 times [2022-09-20 22:37:56,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:37:56,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363450823] [2022-09-20 22:37:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:37:56,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:37:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:37:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 22:37:56,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:37:56,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363450823] [2022-09-20 22:37:56,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363450823] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:37:56,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:37:56,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-20 22:37:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531714111] [2022-09-20 22:37:56,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:37:56,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-20 22:37:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:37:56,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-20 22:37:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-20 22:37:56,407 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 68 [2022-09-20 22:37:56,410 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 58.2) internal successors, (291), 5 states have internal predecessors, (291), 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) [2022-09-20 22:37:56,410 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:37:56,410 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 68 [2022-09-20 22:37:56,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:37:56,504 INFO L130 PetriNetUnfolder]: 8/95 cut-off events. [2022-09-20 22:37:56,505 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-20 22:37:56,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 95 events. 8/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 172 event pairs, 0 based on Foata normal form. 3/98 useless extension candidates. Maximal degree in co-relation 90. Up to 10 conditions per place. [2022-09-20 22:37:56,507 INFO L137 encePairwiseOnDemand]: 62/68 looper letters, 8 selfloop transitions, 3 changer transitions 9/68 dead transitions. [2022-09-20 22:37:56,507 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 68 transitions, 179 flow [2022-09-20 22:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-20 22:37:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-20 22:37:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 421 transitions. [2022-09-20 22:37:56,522 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.884453781512605 [2022-09-20 22:37:56,523 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 421 transitions. [2022-09-20 22:37:56,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 421 transitions. [2022-09-20 22:37:56,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:37:56,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 421 transitions. [2022-09-20 22:37:56,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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) [2022-09-20 22:37:56,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 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) [2022-09-20 22:37:56,540 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 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) [2022-09-20 22:37:56,541 INFO L175 Difference]: Start difference. First operand has 60 places, 56 transitions, 115 flow. Second operand 7 states and 421 transitions. [2022-09-20 22:37:56,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 68 transitions, 179 flow [2022-09-20 22:37:56,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 68 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-20 22:37:56,550 INFO L231 Difference]: Finished difference. Result has 70 places, 56 transitions, 133 flow [2022-09-20 22:37:56,551 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=133, PETRI_PLACES=70, PETRI_TRANSITIONS=56} [2022-09-20 22:37:56,557 INFO L287 CegarLoopForPetriNet]: 60 programPoint places, 10 predicate places. [2022-09-20 22:37:56,557 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 133 flow [2022-09-20 22:37:56,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.2) internal successors, (291), 5 states have internal predecessors, (291), 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) [2022-09-20 22:37:56,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:37:56,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:37:56,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 22:37:56,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:37:56,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:37:56,559 INFO L85 PathProgramCache]: Analyzing trace with hash -47449464, now seen corresponding path program 1 times [2022-09-20 22:37:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:37:56,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977096116] [2022-09-20 22:37:56,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:37:56,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:37:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:37:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 22:37:56,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:37:56,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977096116] [2022-09-20 22:37:56,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977096116] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:37:56,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:37:56,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-20 22:37:56,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039992640] [2022-09-20 22:37:56,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:37:56,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-20 22:37:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:37:56,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-20 22:37:56,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-09-20 22:37:56,725 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 68 [2022-09-20 22:37:56,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 133 flow. Second operand has 6 states, 6 states have (on average 47.833333333333336) internal successors, (287), 6 states have internal predecessors, (287), 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) [2022-09-20 22:37:56,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:37:56,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 68 [2022-09-20 22:37:56,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:37:56,805 INFO L130 PetriNetUnfolder]: 8/82 cut-off events. [2022-09-20 22:37:56,806 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-09-20 22:37:56,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 82 events. 8/82 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 2 based on Foata normal form. 4/86 useless extension candidates. Maximal degree in co-relation 131. Up to 17 conditions per place. [2022-09-20 22:37:56,807 INFO L137 encePairwiseOnDemand]: 63/68 looper letters, 0 selfloop transitions, 0 changer transitions 53/53 dead transitions. [2022-09-20 22:37:56,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 161 flow [2022-09-20 22:37:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-20 22:37:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-20 22:37:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 249 transitions. [2022-09-20 22:37:56,838 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7323529411764705 [2022-09-20 22:37:56,838 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 249 transitions. [2022-09-20 22:37:56,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 249 transitions. [2022-09-20 22:37:56,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:37:56,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 249 transitions. [2022-09-20 22:37:56,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 49.8) internal successors, (249), 5 states have internal predecessors, (249), 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) [2022-09-20 22:37:56,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 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) [2022-09-20 22:37:56,840 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 68.0) internal successors, (408), 6 states have internal predecessors, (408), 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) [2022-09-20 22:37:56,840 INFO L175 Difference]: Start difference. First operand has 70 places, 56 transitions, 133 flow. Second operand 5 states and 249 transitions. [2022-09-20 22:37:56,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 161 flow [2022-09-20 22:37:56,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 53 transitions, 152 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-20 22:37:56,841 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2022-09-20 22:37:56,841 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2022-09-20 22:37:56,842 INFO L287 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2022-09-20 22:37:56,842 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2022-09-20 22:37:56,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.833333333333336) internal successors, (287), 6 states have internal predecessors, (287), 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) [2022-09-20 22:37:56,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-09-20 22:37:56,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-09-20 22:37:56,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-20 22:37:56,864 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-09-20 22:37:56,867 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 22:37:56,867 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 22:37:56,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 10:37:56 BasicIcfg [2022-09-20 22:37:56,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 22:37:56,875 INFO L158 Benchmark]: Toolchain (without parser) took 1762.88ms. Allocated memory was 194.0MB in the beginning and 244.3MB in the end (delta: 50.3MB). Free memory was 166.4MB in the beginning and 212.4MB in the end (delta: -46.0MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. [2022-09-20 22:37:56,875 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 22:37:56,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.76ms. Allocated memory was 194.0MB in the beginning and 244.3MB in the end (delta: 50.3MB). Free memory was 166.4MB in the beginning and 206.7MB in the end (delta: -40.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-20 22:37:56,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.61ms. Allocated memory is still 244.3MB. Free memory was 206.7MB in the beginning and 204.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-20 22:37:56,878 INFO L158 Benchmark]: Boogie Preprocessor took 14.02ms. Allocated memory is still 244.3MB. Free memory was 204.6MB in the beginning and 203.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 22:37:56,878 INFO L158 Benchmark]: RCFGBuilder took 352.47ms. Allocated memory is still 244.3MB. Free memory was 203.6MB in the beginning and 191.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-09-20 22:37:56,879 INFO L158 Benchmark]: TraceAbstraction took 1039.92ms. Allocated memory is still 244.3MB. Free memory was 191.0MB in the beginning and 212.4MB in the end (delta: -21.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-09-20 22:37:56,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.76ms. Allocated memory was 194.0MB in the beginning and 244.3MB in the end (delta: 50.3MB). Free memory was 166.4MB in the beginning and 206.7MB in the end (delta: -40.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.61ms. Allocated memory is still 244.3MB. Free memory was 206.7MB in the beginning and 204.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.02ms. Allocated memory is still 244.3MB. Free memory was 204.6MB in the beginning and 203.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 352.47ms. Allocated memory is still 244.3MB. Free memory was 203.6MB in the beginning and 191.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1039.92ms. Allocated memory is still 244.3MB. Free memory was 191.0MB in the beginning and 212.4MB in the end (delta: -21.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 13 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-20 22:37:56,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...