/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 12:40:47,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 12:40:47,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 12:40:47,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 12:40:47,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 12:40:47,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 12:40:47,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 12:40:47,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 12:40:47,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 12:40:47,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 12:40:47,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 12:40:47,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 12:40:47,905 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 12:40:47,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 12:40:47,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 12:40:47,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 12:40:47,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 12:40:47,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 12:40:47,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 12:40:47,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 12:40:47,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 12:40:47,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 12:40:47,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 12:40:47,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 12:40:47,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 12:40:47,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 12:40:47,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 12:40:47,910 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 12:40:47,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 12:40:47,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 12:40:47,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 12:40:47,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 12:40:47,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 12:40:47,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 12:40:47,912 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 12:40:47,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 12:40:47,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 12:40:47,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 12:40:47,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 12:40:47,913 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 12:40:48,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 12:40:48,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 12:40:48,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 12:40:48,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 12:40:48,218 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 12:40:48,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-05-06 12:40:49,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 12:40:49,540 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 12:40:49,541 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-05-06 12:40:49,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f16c93c0c/a645a27b280a477182851189b18b1be7/FLAGc414aa8fd [2024-05-06 12:40:49,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f16c93c0c/a645a27b280a477182851189b18b1be7 [2024-05-06 12:40:49,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 12:40:49,565 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 12:40:49,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 12:40:49,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 12:40:49,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 12:40:49,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a314ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49, skipping insertion in model container [2024-05-06 12:40:49,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 12:40:49,740 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2024-05-06 12:40:49,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 12:40:49,752 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 12:40:49,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2024-05-06 12:40:49,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 12:40:49,781 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 12:40:49,781 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 12:40:49,792 INFO L206 MainTranslator]: Completed translation [2024-05-06 12:40:49,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49 WrapperNode [2024-05-06 12:40:49,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 12:40:49,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 12:40:49,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 12:40:49,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 12:40:49,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,825 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2024-05-06 12:40:49,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 12:40:49,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 12:40:49,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 12:40:49,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 12:40:49,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 12:40:49,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 12:40:49,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 12:40:49,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 12:40:49,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (1/1) ... [2024-05-06 12:40:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 12:40:49,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:40:49,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 12:40:49,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 12:40:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 12:40:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 12:40:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 12:40:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 12:40:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 12:40:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 12:40:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 12:40:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 12:40:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 12:40:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 12:40:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 12:40:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 12:40:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 12:40:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 12:40:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 12:40:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 12:40:49,942 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 12:40:50,059 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 12:40:50,062 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 12:40:50,316 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 12:40:50,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 12:40:50,402 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-06 12:40:50,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:40:50 BoogieIcfgContainer [2024-05-06 12:40:50,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 12:40:50,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 12:40:50,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 12:40:50,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 12:40:50,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 12:40:49" (1/3) ... [2024-05-06 12:40:50,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb919f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:40:50, skipping insertion in model container [2024-05-06 12:40:50,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:40:49" (2/3) ... [2024-05-06 12:40:50,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb919f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:40:50, skipping insertion in model container [2024-05-06 12:40:50,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:40:50" (3/3) ... [2024-05-06 12:40:50,416 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-05-06 12:40:50,424 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 12:40:50,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 12:40:50,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 12:40:50,433 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 12:40:50,517 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-06 12:40:50,556 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 12:40:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 12:40:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:40:50,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 12:40:50,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 12:40:50,606 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 12:40:50,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:40:50,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 12:40:50,621 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@50a57510, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 12:40:50,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 12:40:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1598911280, now seen corresponding path program 1 times [2024-05-06 12:40:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:40:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 12:40:51,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:40:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 12:40:51,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 12:40:51,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 12:40:52,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1426455513, now seen corresponding path program 1 times [2024-05-06 12:40:52,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:52,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:53,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1270447628, now seen corresponding path program 2 times [2024-05-06 12:40:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:53,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:53,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:53,602 INFO L85 PathProgramCache]: Analyzing trace with hash 449911794, now seen corresponding path program 3 times [2024-05-06 12:40:53,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:53,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:53,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:54,102 INFO L85 PathProgramCache]: Analyzing trace with hash 707249939, now seen corresponding path program 4 times [2024-05-06 12:40:54,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:54,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:54,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1269739845, now seen corresponding path program 1 times [2024-05-06 12:40:54,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:54,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:40:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:40:54,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:40:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:40:55,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 12:40:55,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-06 12:40:55,324 INFO L85 PathProgramCache]: Analyzing trace with hash -614809922, now seen corresponding path program 1 times [2024-05-06 12:40:55,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:55,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:55,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:55,611 INFO L85 PathProgramCache]: Analyzing trace with hash 475029873, now seen corresponding path program 2 times [2024-05-06 12:40:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:55,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:56,105 INFO L85 PathProgramCache]: Analyzing trace with hash -770980964, now seen corresponding path program 3 times [2024-05-06 12:40:56,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:56,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1869394207, now seen corresponding path program 4 times [2024-05-06 12:40:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:56,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:56,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:56,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1717785689, now seen corresponding path program 5 times [2024-05-06 12:40:56,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:56,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:40:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-06 12:40:57,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:40:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-06 12:40:57,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 12:40:57,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-05-06 12:40:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash -614809922, now seen corresponding path program 6 times [2024-05-06 12:40:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:57,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:57,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:57,752 INFO L85 PathProgramCache]: Analyzing trace with hash 475029873, now seen corresponding path program 7 times [2024-05-06 12:40:57,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:57,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash -770980964, now seen corresponding path program 8 times [2024-05-06 12:40:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:58,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:58,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1869394207, now seen corresponding path program 9 times [2024-05-06 12:40:58,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:58,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:58,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:59,219 INFO L85 PathProgramCache]: Analyzing trace with hash -551812390, now seen corresponding path program 10 times [2024-05-06 12:40:59,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:59,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:59,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash 73685422, now seen corresponding path program 11 times [2024-05-06 12:40:59,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:40:59,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:40:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:40:59,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:40:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash -553396534, now seen corresponding path program 12 times [2024-05-06 12:41:00,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:00,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:01,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1506169147, now seen corresponding path program 13 times [2024-05-06 12:41:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:01,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:01,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2044856185, now seen corresponding path program 14 times [2024-05-06 12:41:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:02,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:02,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1033968020, now seen corresponding path program 15 times [2024-05-06 12:41:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:02,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1081648322, now seen corresponding path program 16 times [2024-05-06 12:41:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:03,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:04,015 INFO L85 PathProgramCache]: Analyzing trace with hash -828640074, now seen corresponding path program 17 times [2024-05-06 12:41:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:04,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:04,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:04,398 INFO L85 PathProgramCache]: Analyzing trace with hash 81961797, now seen corresponding path program 18 times [2024-05-06 12:41:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:04,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:04,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:05,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1946774348, now seen corresponding path program 19 times [2024-05-06 12:41:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:06,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:06,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1725351857, now seen corresponding path program 20 times [2024-05-06 12:41:06,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:06,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:06,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:07,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1276481780, now seen corresponding path program 21 times [2024-05-06 12:41:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:07,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:07,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:08,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1067201823, now seen corresponding path program 22 times [2024-05-06 12:41:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:08,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:08,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:41:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:41:08,468 INFO L85 PathProgramCache]: Analyzing trace with hash -612365951, now seen corresponding path program 23 times [2024-05-06 12:41:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:08,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 28 proven. 51 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-06 12:41:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:15,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-05-06 12:41:15,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:41:15,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:41:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1093292528, now seen corresponding path program 1 times [2024-05-06 12:41:15,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:41:15,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938938462] [2024-05-06 12:41:15,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-05-06 12:41:16,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:41:16,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938938462] [2024-05-06 12:41:16,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938938462] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:41:16,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87891757] [2024-05-06 12:41:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:16,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:41:16,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:41:16,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:41:16,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 12:41:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:16,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-06 12:41:16,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:41:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-05-06 12:41:17,041 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:41:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-05-06 12:41:17,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87891757] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:41:17,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:41:17,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 17 [2024-05-06 12:41:17,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354771343] [2024-05-06 12:41:17,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:41:17,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-06 12:41:17,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:41:17,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-06 12:41:17,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-05-06 12:41:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:17,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:41:17,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.9411764705882355) internal successors, (135), 17 states have internal predecessors, (135), 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) [2024-05-06 12:41:17,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 12:41:18,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 12:41:19,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-05-06 12:41:19,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:41:19,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:41:19,175 INFO L85 PathProgramCache]: Analyzing trace with hash -582670678, now seen corresponding path program 2 times [2024-05-06 12:41:19,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:41:19,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072138069] [2024-05-06 12:41:19,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:19,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 118 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-05-06 12:41:19,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:41:19,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072138069] [2024-05-06 12:41:19,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072138069] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:41:19,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055224736] [2024-05-06 12:41:19,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 12:41:19,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:41:19,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:41:19,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:41:19,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 12:41:19,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 12:41:19,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:41:19,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-06 12:41:19,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:41:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 60 proven. 142 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 12:41:20,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:41:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-06 12:41:20,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055224736] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:41:20,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:41:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17, 6] total 23 [2024-05-06 12:41:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896277334] [2024-05-06 12:41:20,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:41:20,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-05-06 12:41:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:41:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-05-06 12:41:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-05-06 12:41:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:20,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:41:20,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.26086956521739) internal successors, (213), 23 states have internal predecessors, (213), 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) [2024-05-06 12:41:20,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 12:41:20,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-06 12:41:28,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-06 12:41:28,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 12:41:28,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-05-06 12:41:28,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:41:28,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:41:28,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1282684457, now seen corresponding path program 3 times [2024-05-06 12:41:28,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:41:28,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99275117] [2024-05-06 12:41:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:28,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-05-06 12:41:28,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:41:28,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99275117] [2024-05-06 12:41:28,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99275117] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 12:41:28,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 12:41:28,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-06 12:41:28,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471452035] [2024-05-06 12:41:28,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:41:28,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-06 12:41:28,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:41:28,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 12:41:28,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-06 12:41:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:28,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:41:28,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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) [2024-05-06 12:41:28,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-06 12:41:28,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-06 12:41:28,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:41:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:41:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:41:30,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-05-06 12:41:30,303 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:41:30,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:41:30,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2133584981, now seen corresponding path program 4 times [2024-05-06 12:41:30,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:41:30,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851825471] [2024-05-06 12:41:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:30,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4500 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 3330 trivial. 0 not checked. [2024-05-06 12:41:32,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:41:32,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851825471] [2024-05-06 12:41:32,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851825471] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 12:41:32,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 12:41:32,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-06 12:41:32,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938491673] [2024-05-06 12:41:32,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:41:32,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-06 12:41:32,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:41:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 12:41:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-06 12:41:32,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:32,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:41:32,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-05-06 12:41:32,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:41:32,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:41:32,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:41:32,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:41:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:41:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:41:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:41:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:41:33,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-05-06 12:41:33,310 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:41:33,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:41:33,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1049175132, now seen corresponding path program 5 times [2024-05-06 12:41:33,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:41:33,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82335792] [2024-05-06 12:41:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:41:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:41:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:41:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 1328 proven. 73 refuted. 0 times theorem prover too weak. 3329 trivial. 0 not checked. [2024-05-06 12:41:35,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:41:35,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82335792] [2024-05-06 12:41:35,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82335792] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:41:35,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498972409] [2024-05-06 12:41:35,369 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 12:41:35,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:41:35,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:41:35,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:41:35,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 12:49:17,485 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2024-05-06 12:49:17,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:49:17,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-06 12:49:17,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:49:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 413 proven. 433 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2024-05-06 12:49:17,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:49:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 4350 trivial. 0 not checked. [2024-05-06 12:49:17,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498972409] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 12:49:17,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 12:49:17,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 9] total 21 [2024-05-06 12:49:17,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424841001] [2024-05-06 12:49:17,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:49:17,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-06 12:49:17,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:49:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 12:49:17,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-05-06 12:49:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:49:17,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:49:17,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-05-06 12:49:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:49:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:49:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:49:18,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:49:18,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:49:18,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:18,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:18,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:49:18,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 12:49:18,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-05-06 12:49:18,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:49:18,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:49:18,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1805778866, now seen corresponding path program 6 times [2024-05-06 12:49:18,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:49:18,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429248636] [2024-05-06 12:49:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:49:18,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:49:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:49:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6519 backedges. 1311 proven. 1 refuted. 0 times theorem prover too weak. 5207 trivial. 0 not checked. [2024-05-06 12:49:21,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:49:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429248636] [2024-05-06 12:49:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429248636] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:49:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110211654] [2024-05-06 12:49:21,132 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 12:49:21,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:49:21,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:49:21,138 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:49:21,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 12:49:21,374 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-05-06 12:49:21,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:49:21,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-06 12:49:21,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:49:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6519 backedges. 1300 proven. 29 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2024-05-06 12:49:21,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:49:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6519 backedges. 1301 proven. 0 refuted. 0 times theorem prover too weak. 5218 trivial. 0 not checked. [2024-05-06 12:49:21,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110211654] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 12:49:21,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 12:49:21,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 11] total 18 [2024-05-06 12:49:21,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947165542] [2024-05-06 12:49:21,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:49:21,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 12:49:21,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:49:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 12:49:21,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-05-06 12:49:21,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:49:21,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:49:21,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2024-05-06 12:49:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:49:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:49:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:49:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:49:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:49:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:49:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 12:49:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:49:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 12:49:22,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-06 12:49:22,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-05-06 12:49:22,448 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:49:22,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:49:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash 743250779, now seen corresponding path program 7 times [2024-05-06 12:49:22,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:49:22,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506359577] [2024-05-06 12:49:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:49:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:50:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat