/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:40:13,671 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:40:13,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:40:13,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:40:13,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:40:13,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:40:13,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:40:13,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:40:13,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:40:13,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:40:13,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:40:13,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:40:13,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:40:13,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:40:13,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:40:13,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:40:13,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:40:13,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:40:13,735 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-FA-NoLbe.epf [2022-09-16 10:40:13,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:40:13,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:40:13,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:40:13,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:40:13,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:40:13,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:40:13,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:40:13,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:40:13,772 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:40:13,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:40:13,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:40:13,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:40:13,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:40:13,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:40:13,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:40:13,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:40:13,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:40:13,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:40:13,775 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:40:13,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:40:13,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:40:13,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:40:14,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:40:14,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:40:14,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:40:14,013 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:40:14,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i [2022-09-16 10:40:14,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f694f3296/969da175f5094ea2b9b699e314261c30/FLAG67815f846 [2022-09-16 10:40:14,457 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:40:14,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i [2022-09-16 10:40:14,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f694f3296/969da175f5094ea2b9b699e314261c30/FLAG67815f846 [2022-09-16 10:40:14,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f694f3296/969da175f5094ea2b9b699e314261c30 [2022-09-16 10:40:14,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:40:14,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:40:14,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:40:14,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:40:14,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:40:14,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:40:14" (1/1) ... [2022-09-16 10:40:14,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7af99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:14, skipping insertion in model container [2022-09-16 10:40:14,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:40:14" (1/1) ... [2022-09-16 10:40:14,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:40:14,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:40:15,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:40:15,279 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:40:15,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:40:15,368 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:40:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15 WrapperNode [2022-09-16 10:40:15,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:40:15,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:40:15,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:40:15,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:40:15,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,425 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-09-16 10:40:15,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:40:15,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:40:15,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:40:15,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:40:15,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:40:15,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:40:15,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:40:15,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:40:15,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (1/1) ... [2022-09-16 10:40:15,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:40:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:40:15,493 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) [2022-09-16 10:40:15,496 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 [2022-09-16 10:40:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:40:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:40:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:40:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:40:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:40:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:40:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:40:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:40:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:40:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:40:15,532 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:40:15,629 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:40:15,631 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:40:15,871 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:40:15,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:40:15,878 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:40:15,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:40:15 BoogieIcfgContainer [2022-09-16 10:40:15,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:40:15,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:40:15,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:40:15,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:40:15,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:40:14" (1/3) ... [2022-09-16 10:40:15,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34359b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:40:15, skipping insertion in model container [2022-09-16 10:40:15,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:15" (2/3) ... [2022-09-16 10:40:15,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34359b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:40:15, skipping insertion in model container [2022-09-16 10:40:15,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:40:15" (3/3) ... [2022-09-16 10:40:15,888 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2022-09-16 10:40:15,893 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:40:15,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:40:15,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:40:15,899 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:40:15,939 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:40:15,964 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 81 transitions, 167 flow [2022-09-16 10:40:15,977 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 60 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 59 states have internal predecessors, (60), 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) [2022-09-16 10:40:15,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:40:15,997 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@3465af9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:40:15,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-16 10:40:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 59 states have internal predecessors, (60), 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) [2022-09-16 10:40:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-09-16 10:40:16,005 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:16,005 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:40:16,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:40:16,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:16,010 INFO L85 PathProgramCache]: Analyzing trace with hash 129438196, now seen corresponding path program 1 times [2022-09-16 10:40:16,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:16,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566504730] [2022-09-16 10:40:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-16 10:40:16,175 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-16 10:40:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-16 10:40:16,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-16 10:40:16,254 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-09-16 10:40:16,255 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-09-16 10:40:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-09-16 10:40:16,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-09-16 10:40:16,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-09-16 10:40:16,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-09-16 10:40:16,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:40:16,263 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-09-16 10:40:16,269 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:40:16,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:40:16,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:40:16 BasicIcfg [2022-09-16 10:40:16,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:40:16,303 INFO L158 Benchmark]: Toolchain (without parser) took 1479.76ms. Allocated memory is still 185.6MB. Free memory was 128.0MB in the beginning and 103.7MB in the end (delta: 24.2MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2022-09-16 10:40:16,303 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 185.6MB. Free memory was 145.9MB in the beginning and 145.8MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:40:16,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.55ms. Allocated memory is still 185.6MB. Free memory was 127.8MB in the beginning and 143.2MB in the end (delta: -15.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-09-16 10:40:16,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.32ms. Allocated memory is still 185.6MB. Free memory was 143.2MB in the beginning and 140.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:40:16,305 INFO L158 Benchmark]: Boogie Preprocessor took 18.23ms. Allocated memory is still 185.6MB. Free memory was 140.9MB in the beginning and 139.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:40:16,305 INFO L158 Benchmark]: RCFGBuilder took 435.02ms. Allocated memory is still 185.6MB. Free memory was 139.8MB in the beginning and 126.8MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-09-16 10:40:16,306 INFO L158 Benchmark]: TraceAbstraction took 416.74ms. Allocated memory is still 185.6MB. Free memory was 125.7MB in the beginning and 103.7MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-09-16 10:40:16,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 185.6MB. Free memory was 145.9MB in the beginning and 145.8MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 548.55ms. Allocated memory is still 185.6MB. Free memory was 127.8MB in the beginning and 143.2MB in the end (delta: -15.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.32ms. Allocated memory is still 185.6MB. Free memory was 143.2MB in the beginning and 140.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.23ms. Allocated memory is still 185.6MB. Free memory was 140.9MB in the beginning and 139.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 435.02ms. Allocated memory is still 185.6MB. Free memory was 139.8MB in the beginning and 126.8MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 416.74ms. Allocated memory is still 185.6MB. Free memory was 125.7MB in the beginning and 103.7MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1010]: integer overflow possible integer overflow possible We found a FailurePath: [L989-L993] struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=2147483647, A={1:0}, B={2:0}, x=2147483647] [L1004] pthread_t id; VAL [A={1:0}, B={2:0}, id={3:0}, x=2147483647] [L1005] struct s *s; VAL [A={1:0}, B={2:0}, id={3:0}, x=2147483647] [L1006] int *d; VAL [A={1:0}, B={2:0}, id={3:0}, x=2147483647] [L1007] pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, id={3:0}, x=2147483647] [L1008] COND TRUE \read(x) VAL [A={1:0}, B={2:0}, id={3:0}, x=2147483647] [L1009] s = &A VAL [A={1:0}, B={2:0}, id={3:0}, s={1:0}, x=2147483647] [L1010] x++ VAL [A={1:0}, B={2:0}, id={3:0}, s={1:0}, x=2147483647, x++=2147483647] - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1017]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 90 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2022-09-16 10:40:16,346 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...