/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_04-munge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:38:50,523 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:38:50,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:38:50,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:38:50,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:38:50,599 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 10:38:50,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:38:50,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:38:50,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:38:50,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:38:50,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:38:50,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:38:50,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:38:50,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:38:50,625 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:38:50,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:38:50,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:38:50,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:38:50,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:38:50,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:38:50,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:38:50,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:38:50,628 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:38:50,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:38:50,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:38:50,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:38:50,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:38:50,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:38:50,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:38:50,838 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:38:50,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2022-09-16 10:38:50,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a937bf283/87fbcc9eacba40d7b944e266022a88b0/FLAG40552a69e [2022-09-16 10:38:51,335 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:38:51,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2022-09-16 10:38:51,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a937bf283/87fbcc9eacba40d7b944e266022a88b0/FLAG40552a69e [2022-09-16 10:38:51,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a937bf283/87fbcc9eacba40d7b944e266022a88b0 [2022-09-16 10:38:51,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:38:51,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:38:51,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:38:51,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:38:51,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:38:51,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:38:51" (1/1) ... [2022-09-16 10:38:51,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f39b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:51, skipping insertion in model container [2022-09-16 10:38:51,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:38:51" (1/1) ... [2022-09-16 10:38:51,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:38:51,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:38:52,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:38:52,187 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:38:52,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:38:52,263 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:38:52,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52 WrapperNode [2022-09-16 10:38:52,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:38:52,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:38:52,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:38:52,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:38:52,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,312 INFO L138 Inliner]: procedures = 263, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-09-16 10:38:52,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:38:52,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:38:52,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:38:52,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:38:52,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:38:52,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:38:52,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:38:52,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:38:52,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (1/1) ... [2022-09-16 10:38:52,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:38:52,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:38:52,366 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 10:38:52,383 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 10:38:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:38:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:38:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:38:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:38:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:38:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:38:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:38:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:38:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:38:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:38:52,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:38:52,399 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 10:38:52,484 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:38:52,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:38:52,605 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:38:52,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:38:52,610 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:38:52,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:38:52 BoogieIcfgContainer [2022-09-16 10:38:52,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:38:52,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:38:52,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:38:52,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:38:52,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:38:51" (1/3) ... [2022-09-16 10:38:52,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1b253e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:38:52, skipping insertion in model container [2022-09-16 10:38:52,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:38:52" (2/3) ... [2022-09-16 10:38:52,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1b253e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:38:52, skipping insertion in model container [2022-09-16 10:38:52,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:38:52" (3/3) ... [2022-09-16 10:38:52,622 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2022-09-16 10:38:52,627 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:38:52,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:38:52,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:38:52,633 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:38:52,687 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 10:38:52,721 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 62 transitions, 132 flow [2022-09-16 10:38:52,760 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 280 states, 272 states have (on average 1.8566176470588236) internal successors, (505), 279 states have internal predecessors, (505), 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 10:38:52,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:38:52,783 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;@1eb5a94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:38:52,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-09-16 10:38:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 280 states, 272 states have (on average 1.8566176470588236) internal successors, (505), 279 states have internal predecessors, (505), 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 10:38:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-09-16 10:38:52,792 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:52,792 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] [2022-09-16 10:38:52,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:52,797 INFO L85 PathProgramCache]: Analyzing trace with hash 826068963, now seen corresponding path program 1 times [2022-09-16 10:38:52,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:52,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114001442] [2022-09-16 10:38:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:52,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:52,978 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 10:38:52,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:52,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114001442] [2022-09-16 10:38:52,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114001442] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:52,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:52,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:38:52,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769133653] [2022-09-16 10:38:52,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:52,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:38:52,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:53,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:38:53,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:38:53,002 INFO L87 Difference]: Start difference. First operand has 280 states, 272 states have (on average 1.8566176470588236) internal successors, (505), 279 states have internal predecessors, (505), 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 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 10:38:53,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:53,057 INFO L93 Difference]: Finished difference Result 234 states and 413 transitions. [2022-09-16 10:38:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:38:53,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2022-09-16 10:38:53,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:53,065 INFO L225 Difference]: With dead ends: 234 [2022-09-16 10:38:53,066 INFO L226 Difference]: Without dead ends: 234 [2022-09-16 10:38:53,067 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 10:38:53,080 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:53,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 72 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-09-16 10:38:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-09-16 10:38:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 230 states have (on average 1.7956521739130435) internal successors, (413), 233 states have internal predecessors, (413), 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 10:38:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 413 transitions. [2022-09-16 10:38:53,119 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 413 transitions. Word has length 29 [2022-09-16 10:38:53,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:53,120 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 413 transitions. [2022-09-16 10:38:53,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 10:38:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 413 transitions. [2022-09-16 10:38:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:53,123 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:53,123 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] [2022-09-16 10:38:53,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:38:53,123 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:53,124 INFO L85 PathProgramCache]: Analyzing trace with hash -57979651, now seen corresponding path program 1 times [2022-09-16 10:38:53,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:53,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358564161] [2022-09-16 10:38:53,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:53,235 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 10:38:53,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:53,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358564161] [2022-09-16 10:38:53,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358564161] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:53,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:53,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:53,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454844965] [2022-09-16 10:38:53,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:53,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:53,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:53,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:53,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:53,238 INFO L87 Difference]: Start difference. First operand 234 states and 413 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:53,429 INFO L93 Difference]: Finished difference Result 284 states and 491 transitions. [2022-09-16 10:38:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:38:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:53,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:53,434 INFO L225 Difference]: With dead ends: 284 [2022-09-16 10:38:53,442 INFO L226 Difference]: Without dead ends: 284 [2022-09-16 10:38:53,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:53,443 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 118 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:53,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 388 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:38:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-09-16 10:38:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 249. [2022-09-16 10:38:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 245 states have (on average 1.7877551020408162) internal successors, (438), 248 states have internal predecessors, (438), 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 10:38:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 438 transitions. [2022-09-16 10:38:53,466 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 438 transitions. Word has length 40 [2022-09-16 10:38:53,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:53,466 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 438 transitions. [2022-09-16 10:38:53,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 438 transitions. [2022-09-16 10:38:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:53,468 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:53,469 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] [2022-09-16 10:38:53,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:38:53,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:53,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1124649987, now seen corresponding path program 2 times [2022-09-16 10:38:53,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:53,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572924659] [2022-09-16 10:38:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:53,557 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 10:38:53,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:53,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572924659] [2022-09-16 10:38:53,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572924659] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:53,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:53,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:53,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120527273] [2022-09-16 10:38:53,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:53,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:53,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:53,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:53,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:53,559 INFO L87 Difference]: Start difference. First operand 249 states and 438 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:53,716 INFO L93 Difference]: Finished difference Result 400 states and 685 transitions. [2022-09-16 10:38:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:38:53,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:53,719 INFO L225 Difference]: With dead ends: 400 [2022-09-16 10:38:53,719 INFO L226 Difference]: Without dead ends: 400 [2022-09-16 10:38:53,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:53,721 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 169 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:53,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 407 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:38:53,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-09-16 10:38:53,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 251. [2022-09-16 10:38:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 247 states have (on average 1.7894736842105263) internal successors, (442), 250 states have internal predecessors, (442), 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 10:38:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 442 transitions. [2022-09-16 10:38:53,754 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 442 transitions. Word has length 40 [2022-09-16 10:38:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:53,754 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 442 transitions. [2022-09-16 10:38:53,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 442 transitions. [2022-09-16 10:38:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:53,756 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:53,756 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] [2022-09-16 10:38:53,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:38:53,756 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:53,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:53,757 INFO L85 PathProgramCache]: Analyzing trace with hash 154988067, now seen corresponding path program 3 times [2022-09-16 10:38:53,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:53,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788222603] [2022-09-16 10:38:53,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:53,867 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 10:38:53,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:53,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788222603] [2022-09-16 10:38:53,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788222603] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:53,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:53,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:53,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021420406] [2022-09-16 10:38:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:53,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:53,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:53,870 INFO L87 Difference]: Start difference. First operand 251 states and 442 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:53,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:53,987 INFO L93 Difference]: Finished difference Result 325 states and 551 transitions. [2022-09-16 10:38:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:38:53,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:53,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:53,989 INFO L225 Difference]: With dead ends: 325 [2022-09-16 10:38:53,990 INFO L226 Difference]: Without dead ends: 325 [2022-09-16 10:38:53,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:38:53,997 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 141 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:53,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 396 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:38:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-09-16 10:38:54,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 257. [2022-09-16 10:38:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 253 states have (on average 1.774703557312253) internal successors, (449), 256 states have internal predecessors, (449), 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 10:38:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 449 transitions. [2022-09-16 10:38:54,013 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 449 transitions. Word has length 40 [2022-09-16 10:38:54,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,014 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 449 transitions. [2022-09-16 10:38:54,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 449 transitions. [2022-09-16 10:38:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:54,018 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,019 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] [2022-09-16 10:38:54,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:38:54,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:54,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,019 INFO L85 PathProgramCache]: Analyzing trace with hash -857428143, now seen corresponding path program 1 times [2022-09-16 10:38:54,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737089780] [2022-09-16 10:38:54,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:54,102 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 10:38:54,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:54,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737089780] [2022-09-16 10:38:54,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737089780] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:54,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:54,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:54,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99622692] [2022-09-16 10:38:54,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:54,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:54,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:54,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:54,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:54,106 INFO L87 Difference]: Start difference. First operand 257 states and 449 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:54,229 INFO L93 Difference]: Finished difference Result 437 states and 751 transitions. [2022-09-16 10:38:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:38:54,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:54,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:54,231 INFO L225 Difference]: With dead ends: 437 [2022-09-16 10:38:54,231 INFO L226 Difference]: Without dead ends: 437 [2022-09-16 10:38:54,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:54,232 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 166 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:54,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 409 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:54,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2022-09-16 10:38:54,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 273. [2022-09-16 10:38:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 269 states have (on average 1.788104089219331) internal successors, (481), 272 states have internal predecessors, (481), 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 10:38:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 481 transitions. [2022-09-16 10:38:54,237 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 481 transitions. Word has length 40 [2022-09-16 10:38:54,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,238 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 481 transitions. [2022-09-16 10:38:54,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 481 transitions. [2022-09-16 10:38:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:54,239 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,239 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] [2022-09-16 10:38:54,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:38:54,239 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:54,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,239 INFO L85 PathProgramCache]: Analyzing trace with hash 839266399, now seen corresponding path program 4 times [2022-09-16 10:38:54,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429738711] [2022-09-16 10:38:54,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:54,288 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 10:38:54,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:54,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429738711] [2022-09-16 10:38:54,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429738711] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:54,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:54,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:54,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921050527] [2022-09-16 10:38:54,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:54,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:54,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:54,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:54,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:54,290 INFO L87 Difference]: Start difference. First operand 273 states and 481 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:54,392 INFO L93 Difference]: Finished difference Result 465 states and 788 transitions. [2022-09-16 10:38:54,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:38:54,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:54,395 INFO L225 Difference]: With dead ends: 465 [2022-09-16 10:38:54,395 INFO L226 Difference]: Without dead ends: 465 [2022-09-16 10:38:54,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:38:54,396 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 165 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:54,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 423 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:54,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-09-16 10:38:54,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 273. [2022-09-16 10:38:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 269 states have (on average 1.788104089219331) internal successors, (481), 272 states have internal predecessors, (481), 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 10:38:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 481 transitions. [2022-09-16 10:38:54,402 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 481 transitions. Word has length 40 [2022-09-16 10:38:54,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,403 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 481 transitions. [2022-09-16 10:38:54,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 481 transitions. [2022-09-16 10:38:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:54,404 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,404 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] [2022-09-16 10:38:54,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:38:54,404 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:54,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,405 INFO L85 PathProgramCache]: Analyzing trace with hash -893478451, now seen corresponding path program 5 times [2022-09-16 10:38:54,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782106582] [2022-09-16 10:38:54,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:54,486 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 10:38:54,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:54,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782106582] [2022-09-16 10:38:54,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782106582] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:54,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:54,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:54,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995136178] [2022-09-16 10:38:54,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:54,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:54,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:54,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:54,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:54,487 INFO L87 Difference]: Start difference. First operand 273 states and 481 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:54,591 INFO L93 Difference]: Finished difference Result 491 states and 829 transitions. [2022-09-16 10:38:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:38:54,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:54,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:54,594 INFO L225 Difference]: With dead ends: 491 [2022-09-16 10:38:54,594 INFO L226 Difference]: Without dead ends: 491 [2022-09-16 10:38:54,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:54,595 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 165 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:54,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 446 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:54,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-09-16 10:38:54,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 275. [2022-09-16 10:38:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 271 states have (on average 1.7896678966789668) internal successors, (485), 274 states have internal predecessors, (485), 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 10:38:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 485 transitions. [2022-09-16 10:38:54,601 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 485 transitions. Word has length 40 [2022-09-16 10:38:54,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,601 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 485 transitions. [2022-09-16 10:38:54,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 485 transitions. [2022-09-16 10:38:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:54,602 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,602 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] [2022-09-16 10:38:54,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:38:54,602 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1863140371, now seen corresponding path program 6 times [2022-09-16 10:38:54,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277163539] [2022-09-16 10:38:54,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:54,678 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 10:38:54,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:54,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277163539] [2022-09-16 10:38:54,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277163539] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:54,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:54,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:54,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824541142] [2022-09-16 10:38:54,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:54,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:54,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:54,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:54,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:54,680 INFO L87 Difference]: Start difference. First operand 275 states and 485 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:54,788 INFO L93 Difference]: Finished difference Result 473 states and 785 transitions. [2022-09-16 10:38:54,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:38:54,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:54,790 INFO L225 Difference]: With dead ends: 473 [2022-09-16 10:38:54,790 INFO L226 Difference]: Without dead ends: 473 [2022-09-16 10:38:54,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:54,791 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 138 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:54,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 471 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:54,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-09-16 10:38:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 273. [2022-09-16 10:38:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 269 states have (on average 1.788104089219331) internal successors, (481), 272 states have internal predecessors, (481), 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 10:38:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 481 transitions. [2022-09-16 10:38:54,803 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 481 transitions. Word has length 40 [2022-09-16 10:38:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,804 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 481 transitions. [2022-09-16 10:38:54,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 481 transitions. [2022-09-16 10:38:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:54,804 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,804 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] [2022-09-16 10:38:54,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:38:54,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:54,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1644805325, now seen corresponding path program 2 times [2022-09-16 10:38:54,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194467120] [2022-09-16 10:38:54,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:54,862 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 10:38:54,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:54,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194467120] [2022-09-16 10:38:54,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194467120] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:54,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:54,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:54,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5129560] [2022-09-16 10:38:54,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:54,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:54,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:54,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:54,864 INFO L87 Difference]: Start difference. First operand 273 states and 481 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:54,981 INFO L93 Difference]: Finished difference Result 471 states and 817 transitions. [2022-09-16 10:38:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:38:54,981 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:54,982 INFO L225 Difference]: With dead ends: 471 [2022-09-16 10:38:54,982 INFO L226 Difference]: Without dead ends: 471 [2022-09-16 10:38:54,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:54,986 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 174 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:54,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 418 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:38:54,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-09-16 10:38:54,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 275. [2022-09-16 10:38:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 271 states have (on average 1.7896678966789668) internal successors, (485), 274 states have internal predecessors, (485), 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 10:38:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 485 transitions. [2022-09-16 10:38:54,992 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 485 transitions. Word has length 40 [2022-09-16 10:38:54,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,992 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 485 transitions. [2022-09-16 10:38:54,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 485 transitions. [2022-09-16 10:38:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:54,993 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,993 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] [2022-09-16 10:38:54,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:38:54,994 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:54,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,997 INFO L85 PathProgramCache]: Analyzing trace with hash -480988503, now seen corresponding path program 7 times [2022-09-16 10:38:54,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247680654] [2022-09-16 10:38:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,057 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 10:38:55,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247680654] [2022-09-16 10:38:55,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247680654] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338701363] [2022-09-16 10:38:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:55,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:55,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:55,059 INFO L87 Difference]: Start difference. First operand 275 states and 485 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,153 INFO L93 Difference]: Finished difference Result 376 states and 643 transitions. [2022-09-16 10:38:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 10:38:55,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:55,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,154 INFO L225 Difference]: With dead ends: 376 [2022-09-16 10:38:55,154 INFO L226 Difference]: Without dead ends: 376 [2022-09-16 10:38:55,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:38:55,155 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 131 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 417 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-09-16 10:38:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 273. [2022-09-16 10:38:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 269 states have (on average 1.788104089219331) internal successors, (481), 272 states have internal predecessors, (481), 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 10:38:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 481 transitions. [2022-09-16 10:38:55,160 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 481 transitions. Word has length 40 [2022-09-16 10:38:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,160 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 481 transitions. [2022-09-16 10:38:55,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 481 transitions. [2022-09-16 10:38:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:55,160 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,161 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] [2022-09-16 10:38:55,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 10:38:55,161 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:55,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1475902069, now seen corresponding path program 3 times [2022-09-16 10:38:55,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352710806] [2022-09-16 10:38:55,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,208 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 10:38:55,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352710806] [2022-09-16 10:38:55,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352710806] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:55,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324226866] [2022-09-16 10:38:55,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:55,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:55,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:55,210 INFO L87 Difference]: Start difference. First operand 273 states and 481 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,318 INFO L93 Difference]: Finished difference Result 442 states and 743 transitions. [2022-09-16 10:38:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:38:55,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,320 INFO L225 Difference]: With dead ends: 442 [2022-09-16 10:38:55,320 INFO L226 Difference]: Without dead ends: 442 [2022-09-16 10:38:55,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:55,320 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 133 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 477 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-09-16 10:38:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 263. [2022-09-16 10:38:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 259 states have (on average 1.77992277992278) internal successors, (461), 262 states have internal predecessors, (461), 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 10:38:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 461 transitions. [2022-09-16 10:38:55,325 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 461 transitions. Word has length 40 [2022-09-16 10:38:55,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,325 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 461 transitions. [2022-09-16 10:38:55,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 461 transitions. [2022-09-16 10:38:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:55,326 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,326 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] [2022-09-16 10:38:55,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 10:38:55,326 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:55,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,327 INFO L85 PathProgramCache]: Analyzing trace with hash 693271399, now seen corresponding path program 8 times [2022-09-16 10:38:55,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406784421] [2022-09-16 10:38:55,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,368 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 10:38:55,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406784421] [2022-09-16 10:38:55,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406784421] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:55,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761540575] [2022-09-16 10:38:55,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:55,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:55,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:55,369 INFO L87 Difference]: Start difference. First operand 263 states and 461 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,490 INFO L93 Difference]: Finished difference Result 475 states and 789 transitions. [2022-09-16 10:38:55,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:38:55,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:55,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,492 INFO L225 Difference]: With dead ends: 475 [2022-09-16 10:38:55,492 INFO L226 Difference]: Without dead ends: 475 [2022-09-16 10:38:55,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:55,492 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 149 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 477 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-09-16 10:38:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 261. [2022-09-16 10:38:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 257 states have (on average 1.7782101167315174) internal successors, (457), 260 states have internal predecessors, (457), 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 10:38:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 457 transitions. [2022-09-16 10:38:55,497 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 457 transitions. Word has length 40 [2022-09-16 10:38:55,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,497 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 457 transitions. [2022-09-16 10:38:55,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 457 transitions. [2022-09-16 10:38:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:55,498 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,498 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] [2022-09-16 10:38:55,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-09-16 10:38:55,498 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash -695925297, now seen corresponding path program 9 times [2022-09-16 10:38:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255668334] [2022-09-16 10:38:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,552 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 10:38:55,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255668334] [2022-09-16 10:38:55,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255668334] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:55,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830334294] [2022-09-16 10:38:55,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:55,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:55,553 INFO L87 Difference]: Start difference. First operand 261 states and 457 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,656 INFO L93 Difference]: Finished difference Result 380 states and 640 transitions. [2022-09-16 10:38:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:38:55,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:55,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,658 INFO L225 Difference]: With dead ends: 380 [2022-09-16 10:38:55,658 INFO L226 Difference]: Without dead ends: 380 [2022-09-16 10:38:55,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:55,658 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 143 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 437 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-09-16 10:38:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 251. [2022-09-16 10:38:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 247 states have (on average 1.7692307692307692) internal successors, (437), 250 states have internal predecessors, (437), 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 10:38:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 437 transitions. [2022-09-16 10:38:55,663 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 437 transitions. Word has length 40 [2022-09-16 10:38:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,663 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 437 transitions. [2022-09-16 10:38:55,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 437 transitions. [2022-09-16 10:38:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-09-16 10:38:55,664 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,664 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] [2022-09-16 10:38:55,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-09-16 10:38:55,664 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1665587217, now seen corresponding path program 10 times [2022-09-16 10:38:55,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9050949] [2022-09-16 10:38:55,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,707 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 10:38:55,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9050949] [2022-09-16 10:38:55,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9050949] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:38:55,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521955820] [2022-09-16 10:38:55,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:38:55,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:38:55,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:38:55,709 INFO L87 Difference]: Start difference. First operand 251 states and 437 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,820 INFO L93 Difference]: Finished difference Result 362 states and 596 transitions. [2022-09-16 10:38:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:38:55,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2022-09-16 10:38:55,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,821 INFO L225 Difference]: With dead ends: 362 [2022-09-16 10:38:55,821 INFO L226 Difference]: Without dead ends: 362 [2022-09-16 10:38:55,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-09-16 10:38:55,822 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 115 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 449 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-09-16 10:38:55,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 209. [2022-09-16 10:38:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.7414634146341463) internal successors, (357), 208 states have internal predecessors, (357), 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 10:38:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 357 transitions. [2022-09-16 10:38:55,827 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 357 transitions. Word has length 40 [2022-09-16 10:38:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,827 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 357 transitions. [2022-09-16 10:38:55,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 10:38:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 357 transitions. [2022-09-16 10:38:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-09-16 10:38:55,827 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,827 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 10:38:55,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-09-16 10:38:55,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:55,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1343997098, now seen corresponding path program 1 times [2022-09-16 10:38:55,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110885127] [2022-09-16 10:38:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,883 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 10:38:55,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110885127] [2022-09-16 10:38:55,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110885127] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:38:55,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186636493] [2022-09-16 10:38:55,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:38:55,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:38:55,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:38:55,885 INFO L87 Difference]: Start difference. First operand 209 states and 357 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 10:38:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,895 INFO L93 Difference]: Finished difference Result 202 states and 345 transitions. [2022-09-16 10:38:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:38:55,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2022-09-16 10:38:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,896 INFO L225 Difference]: With dead ends: 202 [2022-09-16 10:38:55,896 INFO L226 Difference]: Without dead ends: 202 [2022-09-16 10:38:55,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:38:55,898 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 56 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 68 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-09-16 10:38:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2022-09-16 10:38:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 1.725) internal successors, (345), 201 states have internal predecessors, (345), 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 10:38:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 345 transitions. [2022-09-16 10:38:55,902 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 345 transitions. Word has length 41 [2022-09-16 10:38:55,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,902 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 345 transitions. [2022-09-16 10:38:55,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 10:38:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 345 transitions. [2022-09-16 10:38:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-09-16 10:38:55,902 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,902 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 10:38:55,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-09-16 10:38:55,903 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:38:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1285763088, now seen corresponding path program 1 times [2022-09-16 10:38:55,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444079796] [2022-09-16 10:38:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,932 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 10:38:55,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444079796] [2022-09-16 10:38:55,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444079796] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:38:55,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777650401] [2022-09-16 10:38:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:38:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:38:55,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:38:55,935 INFO L87 Difference]: Start difference. First operand 202 states and 345 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 10:38:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:55,945 INFO L93 Difference]: Finished difference Result 195 states and 333 transitions. [2022-09-16 10:38:55,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:38:55,945 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 10:38:55,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:55,946 INFO L225 Difference]: With dead ends: 195 [2022-09-16 10:38:55,946 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:38:55,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:38:55,946 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 24 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:55,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 117 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:38:55,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:38:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:38:55,948 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 10:38:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:38:55,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-09-16 10:38:55,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,948 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:38:55,948 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 10:38:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:38:55,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:38:55,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-09-16 10:38:55,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-09-16 10:38:55,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-09-16 10:38:55,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-09-16 10:38:55,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-09-16 10:38:55,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-09-16 10:38:55,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-09-16 10:38:55,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-09-16 10:38:55,954 INFO L444 BasicCegarLoop]: Path program histogram: [10, 3, 1, 1, 1] [2022-09-16 10:38:55,958 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:38:55,958 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:38:55,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:38:55 BasicIcfg [2022-09-16 10:38:55,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:38:55,960 INFO L158 Benchmark]: Toolchain (without parser) took 4071.39ms. Allocated memory was 168.8MB in the beginning and 246.4MB in the end (delta: 77.6MB). Free memory was 145.1MB in the beginning and 199.9MB in the end (delta: -54.8MB). Peak memory consumption was 22.9MB. Max. memory is 8.0GB. [2022-09-16 10:38:55,961 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory was 130.0MB in the beginning and 129.9MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:38:55,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.33ms. Allocated memory was 168.8MB in the beginning and 246.4MB in the end (delta: 77.6MB). Free memory was 144.9MB in the beginning and 203.8MB in the end (delta: -58.9MB). Peak memory consumption was 21.8MB. Max. memory is 8.0GB. [2022-09-16 10:38:55,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.52ms. Allocated memory is still 246.4MB. Free memory was 203.8MB in the beginning and 201.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:38:55,961 INFO L158 Benchmark]: Boogie Preprocessor took 27.48ms. Allocated memory is still 246.4MB. Free memory was 201.2MB in the beginning and 200.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:38:55,961 INFO L158 Benchmark]: RCFGBuilder took 269.94ms. Allocated memory is still 246.4MB. Free memory was 200.1MB in the beginning and 188.1MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-09-16 10:38:55,962 INFO L158 Benchmark]: TraceAbstraction took 3347.36ms. Allocated memory is still 246.4MB. Free memory was 187.5MB in the beginning and 199.9MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:38:55,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory was 130.0MB in the beginning and 129.9MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 375.33ms. Allocated memory was 168.8MB in the beginning and 246.4MB in the end (delta: 77.6MB). Free memory was 144.9MB in the beginning and 203.8MB in the end (delta: -58.9MB). Peak memory consumption was 21.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.52ms. Allocated memory is still 246.4MB. Free memory was 203.8MB in the beginning and 201.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.48ms. Allocated memory is still 246.4MB. Free memory was 201.2MB in the beginning and 200.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 269.94ms. Allocated memory is still 246.4MB. Free memory was 200.1MB in the beginning and 188.1MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3347.36ms. Allocated memory is still 246.4MB. Free memory was 187.5MB in the beginning and 199.9MB in the end (delta: -12.4MB). There was no memory consumed. 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: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 921]: 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, 81 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1999 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1999 mSDsluCounter, 5872 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4313 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1379 IncrementalHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 1577 mSDtfsCounter, 1379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=0, InterpolantAutomatonStates: 146, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 1998 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 632 NumberOfCodeBlocks, 632 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 616 ConstructedInterpolants, 0 QuantifiedInterpolants, 1536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:38:55,994 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...