/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/04-mutex_42-trylock_2mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:39:55,643 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:39:55,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:39:55,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:39:55,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:39:55,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:39:55,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:39:55,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:39:55,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:39:55,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:39:55,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:39:55,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:39:55,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:39:55,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:39:55,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:39:55,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:39:55,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:39:55,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:39:55,717 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 10:39:55,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:39:55,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:39:55,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:39:55,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:39:55,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:39:55,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:39:55,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:39:55,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:39:55,742 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:39:55,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:39:55,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:39:55,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:39:55,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:39:55,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:39:55,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:39:55,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:39:55,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:39:55,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:39:55,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:39:55,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:39:55,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:39:55,969 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:39:55,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_42-trylock_2mutex.i [2022-09-16 10:39:56,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ba9ef148/a0740650cb1645bda4ed456669735244/FLAG8f0b39b37 [2022-09-16 10:39:56,463 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:39:56,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_42-trylock_2mutex.i [2022-09-16 10:39:56,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ba9ef148/a0740650cb1645bda4ed456669735244/FLAG8f0b39b37 [2022-09-16 10:39:56,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ba9ef148/a0740650cb1645bda4ed456669735244 [2022-09-16 10:39:56,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:39:56,486 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:39:56,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:39:56,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:39:56,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:39:56,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6300f3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56, skipping insertion in model container [2022-09-16 10:39:56,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:39:56,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:39:56,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:39:56,751 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:39:56,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:39:56,841 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:39:56,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56 WrapperNode [2022-09-16 10:39:56,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:39:56,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:39:56,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:39:56,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:39:56,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,888 INFO L138 Inliner]: procedures = 163, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-09-16 10:39:56,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:39:56,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:39:56,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:39:56,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:39:56,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:39:56,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:39:56,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:39:56,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:39:56,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (1/1) ... [2022-09-16 10:39:56,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:39:56,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:39:56,947 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 10:39:56,950 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 10:39:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:39:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:39:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:39:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:39:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:39:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:39:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:39:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:39:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-09-16 10:39:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:39:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:39:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:39:56,995 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 10:39:57,076 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:39:57,077 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:39:57,196 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:39:57,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:39:57,201 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-16 10:39:57,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:39:57 BoogieIcfgContainer [2022-09-16 10:39:57,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:39:57,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:39:57,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:39:57,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:39:57,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:39:56" (1/3) ... [2022-09-16 10:39:57,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420f9b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:39:57, skipping insertion in model container [2022-09-16 10:39:57,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:56" (2/3) ... [2022-09-16 10:39:57,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420f9b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:39:57, skipping insertion in model container [2022-09-16 10:39:57,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:39:57" (3/3) ... [2022-09-16 10:39:57,208 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_42-trylock_2mutex.i [2022-09-16 10:39:57,213 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:39:57,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:39:57,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:39:57,219 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:39:57,268 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 10:39:57,295 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 82 transitions, 172 flow [2022-09-16 10:39:57,338 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 479 states, 465 states have (on average 2.0064516129032257) internal successors, (933), 478 states have internal predecessors, (933), 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 10:39:57,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:39:57,355 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;@2eb8591, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:39:57,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-09-16 10:39:57,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 479 states, 465 states have (on average 2.0064516129032257) internal successors, (933), 478 states have internal predecessors, (933), 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 10:39:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-09-16 10:39:57,362 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:57,363 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] [2022-09-16 10:39:57,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:57,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:57,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2186462, now seen corresponding path program 1 times [2022-09-16 10:39:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:57,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870338276] [2022-09-16 10:39:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:57,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:57,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:57,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870338276] [2022-09-16 10:39:57,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870338276] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:57,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:57,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:39:57,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544166521] [2022-09-16 10:39:57,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:57,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:39:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:57,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:39:57,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:39:57,586 INFO L87 Difference]: Start difference. First operand has 479 states, 465 states have (on average 2.0064516129032257) internal successors, (933), 478 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 10:39:57,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:57,641 INFO L93 Difference]: Finished difference Result 463 states and 871 transitions. [2022-09-16 10:39:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:39:57,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) Word has length 34 [2022-09-16 10:39:57,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:57,652 INFO L225 Difference]: With dead ends: 463 [2022-09-16 10:39:57,652 INFO L226 Difference]: Without dead ends: 463 [2022-09-16 10:39:57,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:57,656 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 61 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:57,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 196 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:57,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-09-16 10:39:57,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 455. [2022-09-16 10:39:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 445 states have (on average 1.9258426966292135) internal successors, (857), 454 states have internal predecessors, (857), 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 10:39:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 857 transitions. [2022-09-16 10:39:57,710 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 857 transitions. Word has length 34 [2022-09-16 10:39:57,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:57,710 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 857 transitions. [2022-09-16 10:39:57,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 10:39:57,710 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 857 transitions. [2022-09-16 10:39:57,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-09-16 10:39:57,711 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:57,711 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] [2022-09-16 10:39:57,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:39:57,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:57,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:57,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1406972731, now seen corresponding path program 1 times [2022-09-16 10:39:57,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:57,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090483310] [2022-09-16 10:39:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:57,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:57,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090483310] [2022-09-16 10:39:57,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090483310] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:57,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:57,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:39:57,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733484642] [2022-09-16 10:39:57,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:57,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:39:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:57,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:39:57,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:39:57,825 INFO L87 Difference]: Start difference. First operand 455 states and 857 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 10:39:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:57,858 INFO L93 Difference]: Finished difference Result 421 states and 789 transitions. [2022-09-16 10:39:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:39:57,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) Word has length 37 [2022-09-16 10:39:57,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:57,862 INFO L225 Difference]: With dead ends: 421 [2022-09-16 10:39:57,862 INFO L226 Difference]: Without dead ends: 421 [2022-09-16 10:39:57,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:39:57,863 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:57,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 88 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-09-16 10:39:57,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-09-16 10:39:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 415 states have (on average 1.9012048192771085) internal successors, (789), 420 states have internal predecessors, (789), 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 10:39:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 789 transitions. [2022-09-16 10:39:57,892 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 789 transitions. Word has length 37 [2022-09-16 10:39:57,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:57,892 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 789 transitions. [2022-09-16 10:39:57,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 10:39:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 789 transitions. [2022-09-16 10:39:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-09-16 10:39:57,894 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:57,894 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, 1] [2022-09-16 10:39:57,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:39:57,894 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:57,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:57,895 INFO L85 PathProgramCache]: Analyzing trace with hash -872578521, now seen corresponding path program 1 times [2022-09-16 10:39:57,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:57,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658919169] [2022-09-16 10:39:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:57,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:57,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:57,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658919169] [2022-09-16 10:39:57,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658919169] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:57,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:57,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:39:57,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725795543] [2022-09-16 10:39:57,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:57,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:39:57,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:57,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:39:57,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:39:57,942 INFO L87 Difference]: Start difference. First operand 421 states and 789 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 10:39:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:57,968 INFO L93 Difference]: Finished difference Result 385 states and 717 transitions. [2022-09-16 10:39:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:39:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) Word has length 42 [2022-09-16 10:39:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:57,970 INFO L225 Difference]: With dead ends: 385 [2022-09-16 10:39:57,970 INFO L226 Difference]: Without dead ends: 335 [2022-09-16 10:39:57,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:57,971 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 58 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:57,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 159 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:57,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-09-16 10:39:57,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2022-09-16 10:39:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 331 states have (on average 1.86404833836858) internal successors, (617), 334 states have internal predecessors, (617), 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 10:39:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 617 transitions. [2022-09-16 10:39:57,979 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 617 transitions. Word has length 42 [2022-09-16 10:39:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:57,980 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 617 transitions. [2022-09-16 10:39:57,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 10:39:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 617 transitions. [2022-09-16 10:39:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-09-16 10:39:57,981 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:57,981 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, 1, 1, 1] [2022-09-16 10:39:57,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:39:57,982 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:57,982 INFO L85 PathProgramCache]: Analyzing trace with hash 442367018, now seen corresponding path program 1 times [2022-09-16 10:39:57,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:57,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704174060] [2022-09-16 10:39:57,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:57,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:58,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:58,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704174060] [2022-09-16 10:39:58,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704174060] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:58,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:58,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:39:58,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922165293] [2022-09-16 10:39:58,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:58,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:39:58,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:58,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:39:58,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:58,028 INFO L87 Difference]: Start difference. First operand 335 states and 617 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 10:39:58,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:58,075 INFO L93 Difference]: Finished difference Result 331 states and 610 transitions. [2022-09-16 10:39:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 10:39:58,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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) Word has length 44 [2022-09-16 10:39:58,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:58,078 INFO L225 Difference]: With dead ends: 331 [2022-09-16 10:39:58,078 INFO L226 Difference]: Without dead ends: 331 [2022-09-16 10:39:58,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:39:58,079 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 109 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:58,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 182 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:58,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-09-16 10:39:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2022-09-16 10:39:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 328 states have (on average 1.8597560975609757) internal successors, (610), 330 states have internal predecessors, (610), 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 10:39:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 610 transitions. [2022-09-16 10:39:58,086 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 610 transitions. Word has length 44 [2022-09-16 10:39:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:58,086 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 610 transitions. [2022-09-16 10:39:58,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 10:39:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 610 transitions. [2022-09-16 10:39:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-09-16 10:39:58,087 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:58,088 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, 1, 1, 1, 1] [2022-09-16 10:39:58,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:39:58,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:58,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:58,088 INFO L85 PathProgramCache]: Analyzing trace with hash 828475880, now seen corresponding path program 1 times [2022-09-16 10:39:58,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:58,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490035449] [2022-09-16 10:39:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:58,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:58,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490035449] [2022-09-16 10:39:58,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490035449] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:58,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:58,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:39:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835407071] [2022-09-16 10:39:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:58,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:39:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:39:58,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:58,131 INFO L87 Difference]: Start difference. First operand 331 states and 610 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 10:39:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:58,179 INFO L93 Difference]: Finished difference Result 327 states and 603 transitions. [2022-09-16 10:39:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:39:58,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) Word has length 45 [2022-09-16 10:39:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:58,182 INFO L225 Difference]: With dead ends: 327 [2022-09-16 10:39:58,182 INFO L226 Difference]: Without dead ends: 299 [2022-09-16 10:39:58,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:39:58,185 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 31 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:58,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 208 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-09-16 10:39:58,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2022-09-16 10:39:58,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 297 states have (on average 1.8653198653198653) internal successors, (554), 298 states have internal predecessors, (554), 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 10:39:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 554 transitions. [2022-09-16 10:39:58,191 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 554 transitions. Word has length 45 [2022-09-16 10:39:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:58,191 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 554 transitions. [2022-09-16 10:39:58,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 10:39:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 554 transitions. [2022-09-16 10:39:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-09-16 10:39:58,192 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:58,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:58,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:39:58,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:58,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 600544535, now seen corresponding path program 1 times [2022-09-16 10:39:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:58,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024062261] [2022-09-16 10:39:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:58,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:58,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024062261] [2022-09-16 10:39:58,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024062261] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:58,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:58,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:39:58,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44293382] [2022-09-16 10:39:58,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:58,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:39:58,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:58,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:39:58,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:58,265 INFO L87 Difference]: Start difference. First operand 299 states and 554 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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 10:39:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:58,289 INFO L93 Difference]: Finished difference Result 294 states and 545 transitions. [2022-09-16 10:39:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:39:58,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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) Word has length 52 [2022-09-16 10:39:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:58,291 INFO L225 Difference]: With dead ends: 294 [2022-09-16 10:39:58,291 INFO L226 Difference]: Without dead ends: 294 [2022-09-16 10:39:58,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:39:58,292 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 109 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:58,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 147 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-09-16 10:39:58,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-09-16 10:39:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 293 states have (on average 1.8600682593856654) internal successors, (545), 293 states have internal predecessors, (545), 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 10:39:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 545 transitions. [2022-09-16 10:39:58,297 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 545 transitions. Word has length 52 [2022-09-16 10:39:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:58,298 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 545 transitions. [2022-09-16 10:39:58,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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 10:39:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 545 transitions. [2022-09-16 10:39:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:39:58,300 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:58,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:58,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:39:58,316 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-09-16 10:39:58,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:58,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1936827870, now seen corresponding path program 1 times [2022-09-16 10:39:58,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:58,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142867166] [2022-09-16 10:39:58,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:58,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:58,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:58,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142867166] [2022-09-16 10:39:58,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142867166] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:58,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:58,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:39:58,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194906726] [2022-09-16 10:39:58,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:58,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:39:58,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:58,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:39:58,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:58,380 INFO L87 Difference]: Start difference. First operand 294 states and 545 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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 10:39:58,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:58,404 INFO L93 Difference]: Finished difference Result 289 states and 536 transitions. [2022-09-16 10:39:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:39:58,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) Word has length 53 [2022-09-16 10:39:58,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:58,405 INFO L225 Difference]: With dead ends: 289 [2022-09-16 10:39:58,405 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:39:58,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:39:58,408 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 64 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:58,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 228 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:58,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:39:58,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:39:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-09-16 10:39:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:39:58,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2022-09-16 10:39:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:58,409 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:39:58,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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 10:39:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:39:58,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:39:58,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 11 remaining) [2022-09-16 10:39:58,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 11 remaining) [2022-09-16 10:39:58,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2022-09-16 10:39:58,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 11 remaining) [2022-09-16 10:39:58,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 11 remaining) [2022-09-16 10:39:58,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 11 remaining) [2022-09-16 10:39:58,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 11 remaining) [2022-09-16 10:39:58,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 11 remaining) [2022-09-16 10:39:58,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 11 remaining) [2022-09-16 10:39:58,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 11 remaining) [2022-09-16 10:39:58,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 11 remaining) [2022-09-16 10:39:58,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:39:58,416 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:58,419 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:39:58,419 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:39:58,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:39:58 BasicIcfg [2022-09-16 10:39:58,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:39:58,424 INFO L158 Benchmark]: Toolchain (without parser) took 1937.08ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 176.9MB in the beginning and 133.8MB in the end (delta: 43.1MB). Peak memory consumption was 83.3MB. Max. memory is 8.0GB. [2022-09-16 10:39:58,425 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 205.5MB. Free memory is still 164.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:39:58,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.88ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 176.9MB in the beginning and 213.0MB in the end (delta: -36.1MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-09-16 10:39:58,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 247.5MB. Free memory was 213.0MB in the beginning and 211.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:39:58,425 INFO L158 Benchmark]: Boogie Preprocessor took 28.70ms. Allocated memory is still 247.5MB. Free memory was 211.0MB in the beginning and 209.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:39:58,426 INFO L158 Benchmark]: RCFGBuilder took 281.65ms. Allocated memory is still 247.5MB. Free memory was 209.6MB in the beginning and 196.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 10:39:58,426 INFO L158 Benchmark]: TraceAbstraction took 1219.51ms. Allocated memory is still 247.5MB. Free memory was 195.9MB in the beginning and 133.8MB in the end (delta: 62.1MB). Peak memory consumption was 61.7MB. Max. memory is 8.0GB. [2022-09-16 10:39:58,427 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 205.5MB. Free memory is still 164.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.88ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 176.9MB in the beginning and 213.0MB in the end (delta: -36.1MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 247.5MB. Free memory was 213.0MB in the beginning and 211.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.70ms. Allocated memory is still 247.5MB. Free memory was 211.0MB in the beginning and 209.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.65ms. Allocated memory is still 247.5MB. Free memory was 209.6MB in the beginning and 196.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1219.51ms. Allocated memory is still 247.5MB. Free memory was 195.9MB in the beginning and 133.8MB in the end (delta: 62.1MB). Peak memory consumption was 61.7MB. 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 - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 684]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 684]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 687]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 687]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 461 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 461 mSDsluCounter, 1208 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 690 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 520 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 832 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:39:58,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...