/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 BOTH --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-bad-counter-queue2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 23:26:43,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 23:26:43,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 23:26:43,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 23:26:43,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 23:26:43,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 23:26:43,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 23:26:43,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 23:26:43,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 23:26:43,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 23:26:43,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 23:26:43,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 23:26:43,823 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 23:26:43,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 23:26:43,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 23:26:43,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 23:26:43,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 23:26:43,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 23:26:43,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 23:26:43,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 23:26:43,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 23:26:43,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 23:26:43,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 23:26:43,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 23:26:43,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 23:26:43,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 23:26:43,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 23:26:43,826 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 23:26:43,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 23:26:43,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 23:26:43,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 23:26:43,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 23:26:43,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 23:26:43,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 23:26:43,829 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 23:26:43,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 23:26:43,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 23:26:43,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 23:26:43,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 23:26:43,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 23:26:44,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 23:26:44,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 23:26:44,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 23:26:44,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 23:26:44,060 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 23:26:44,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-05-07 23:26:45,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 23:26:45,386 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 23:26:45,386 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-05-07 23:26:45,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/413ea901b/31a30c359fc54172aac409c468c4ddf8/FLAGfa7e79b15 [2024-05-07 23:26:45,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/413ea901b/31a30c359fc54172aac409c468c4ddf8 [2024-05-07 23:26:45,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 23:26:45,410 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 23:26:45,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 23:26:45,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 23:26:45,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 23:26:45,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a268dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45, skipping insertion in model container [2024-05-07 23:26:45,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 23:26:45,601 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-bad-counter-queue2.wvr.c[2271,2284] [2024-05-07 23:26:45,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 23:26:45,630 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 23:26:45,657 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-bad-counter-queue2.wvr.c[2271,2284] [2024-05-07 23:26:45,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 23:26:45,672 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 23:26:45,672 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 23:26:45,677 INFO L206 MainTranslator]: Completed translation [2024-05-07 23:26:45,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45 WrapperNode [2024-05-07 23:26:45,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 23:26:45,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 23:26:45,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 23:26:45,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 23:26:45,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,720 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 142 [2024-05-07 23:26:45,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 23:26:45,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 23:26:45,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 23:26:45,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 23:26:45,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 23:26:45,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 23:26:45,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 23:26:45,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 23:26:45,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (1/1) ... [2024-05-07 23:26:45,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 23:26:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:26:45,875 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) [2024-05-07 23:26:45,893 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 [2024-05-07 23:26:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 23:26:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 23:26:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 23:26:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 23:26:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 23:26:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 23:26:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 23:26:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 23:26:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 23:26:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 23:26:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 23:26:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 23:26:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 23:26:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 23:26:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 23:26:45,916 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 23:26:46,007 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 23:26:46,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 23:26:46,233 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 23:26:46,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 23:26:46,341 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-07 23:26:46,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:26:46 BoogieIcfgContainer [2024-05-07 23:26:46,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 23:26:46,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 23:26:46,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 23:26:46,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 23:26:46,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 11:26:45" (1/3) ... [2024-05-07 23:26:46,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63750d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:26:46, skipping insertion in model container [2024-05-07 23:26:46,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:26:45" (2/3) ... [2024-05-07 23:26:46,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63750d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:26:46, skipping insertion in model container [2024-05-07 23:26:46,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:26:46" (3/3) ... [2024-05-07 23:26:46,348 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-05-07 23:26:46,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 23:26:46,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 23:26:46,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 23:26:46,364 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 23:26:46,394 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 23:26:46,436 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 23:26:46,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 23:26:46,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:26:46,461 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) [2024-05-07 23:26:46,461 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 [2024-05-07 23:26:46,494 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 23:26:46,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:26:46,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 23:26:46,514 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;@6ab86dee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 23:26:46,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 23:26:46,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:26:46,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 23:26:51,746 INFO L85 PathProgramCache]: Analyzing trace with hash -2120463766, now seen corresponding path program 1 times [2024-05-07 23:26:51,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:26:51,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:26:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:26:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:26:51,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:26:51,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:26:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:26:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:26:51,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 23:26:51,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 23:26:52,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:26:52,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 23:26:58,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2125886084, now seen corresponding path program 1 times [2024-05-07 23:26:58,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:26:58,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:26:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:26:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:26:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:26:58,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:26:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:26:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:26:58,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 23:26:58,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=53, Unknown=2, NotChecked=0, Total=72 [2024-05-07 23:26:59,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:26:59,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 23:27:11,238 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 23:27:15,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1728542924, now seen corresponding path program 1 times [2024-05-07 23:27:15,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:15,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:15,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:15,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:27:15,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:27:15,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1519199792, now seen corresponding path program 1 times [2024-05-07 23:27:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:27:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484337079] [2024-05-07 23:27:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:15,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:27:15,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484337079] [2024-05-07 23:27:15,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484337079] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:27:15,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553710553] [2024-05-07 23:27:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:15,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:27:15,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:27:15,845 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) [2024-05-07 23:27:15,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 23:27:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:15,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-07 23:27:15,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:27:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:16,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:27:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:16,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553710553] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-07 23:27:16,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-07 23:27:16,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-05-07 23:27:16,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935681246] [2024-05-07 23:27:16,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 23:27:16,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 23:27:16,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:27:16,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 23:27:16,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-05-07 23:27:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:16,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:27:16,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 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) [2024-05-07 23:27:16,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:27:16,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 23:27:16,459 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,SelfDestructingSolverStorable6 [2024-05-07 23:27:16,460 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:27:16,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:27:16,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1990430917, now seen corresponding path program 1 times [2024-05-07 23:27:16,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:27:16,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995723473] [2024-05-07 23:27:16,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:16,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:16,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:27:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995723473] [2024-05-07 23:27:16,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995723473] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:27:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602670791] [2024-05-07 23:27:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:16,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:27:16,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:27:16,634 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) [2024-05-07 23:27:16,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 23:27:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:16,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 23:27:16,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:27:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:16,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:27:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:17,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602670791] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:27:17,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:27:17,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-07 23:27:17,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118559483] [2024-05-07 23:27:17,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:27:17,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-07 23:27:17,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:27:17,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-07 23:27:17,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-07 23:27:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:17,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:27:17,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 24 states have internal predecessors, (179), 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) [2024-05-07 23:27:17,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:27:17,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:27:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:27:17,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-07 23:27:17,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:27:17,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:27:17,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:27:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash 749342333, now seen corresponding path program 2 times [2024-05-07 23:27:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:27:17,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288587467] [2024-05-07 23:27:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:17,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:27:17,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:27:17,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288587467] [2024-05-07 23:27:17,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288587467] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:27:17,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835137724] [2024-05-07 23:27:17,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 23:27:17,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:27:17,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:27:17,711 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) [2024-05-07 23:27:17,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 23:27:17,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 23:27:17,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:27:17,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 23:27:17,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:27:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 23:27:17,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:27:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-07 23:27:18,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835137724] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:27:18,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:27:18,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 22 [2024-05-07 23:27:18,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760738948] [2024-05-07 23:27:18,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:27:18,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-07 23:27:18,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:27:18,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-07 23:27:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-05-07 23:27:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:18,030 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:27:18,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.772727272727273) internal successors, (193), 22 states have internal predecessors, (193), 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) [2024-05-07 23:27:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:27:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:27:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:18,926 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 23:27:18,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 32 [2024-05-07 23:27:41,160 WARN L293 SmtUtils]: Spent 20.07s on a formula simplification. DAG size of input: 37 DAG size of output: 34 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 23:27:49,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1406749930, now seen corresponding path program 1 times [2024-05-07 23:27:49,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:49,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 23:27:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 23:27:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:27:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:27:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:27:49,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-07 23:27:49,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:27:49,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:27:49,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:27:49,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1226136114, now seen corresponding path program 3 times [2024-05-07 23:27:49,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:27:49,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793909400] [2024-05-07 23:27:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:27:49,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:27:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:27:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-07 23:27:50,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:27:50,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793909400] [2024-05-07 23:27:50,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793909400] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:27:50,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776440743] [2024-05-07 23:27:50,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 23:27:50,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:27:50,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:27:50,255 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) [2024-05-07 23:27:50,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 23:27:50,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-07 23:27:50,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:27:50,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 23:27:50,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:27:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-07 23:27:50,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:27:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-07 23:27:51,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776440743] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:27:51,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:27:51,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-05-07 23:27:51,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053954585] [2024-05-07 23:27:51,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:27:51,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-07 23:27:51,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:27:51,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-07 23:27:51,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1122, Unknown=0, NotChecked=0, Total=1332 [2024-05-07 23:27:51,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:51,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:27:51,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.72972972972973) internal successors, (249), 37 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 23:27:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:27:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:27:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:27:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:27:51,746 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 23:27:51,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 32 [2024-05-07 23:28:12,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1647128782, now seen corresponding path program 2 times [2024-05-07 23:28:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:28:12,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:28:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:28:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 23:28:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:28:12,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:28:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:28:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 23:28:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:28:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:28:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:28:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:28:12,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 23:28:13,138 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,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-05-07 23:28:13,140 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:28:13,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:28:13,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1567060858, now seen corresponding path program 4 times [2024-05-07 23:28:13,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:28:13,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088650132] [2024-05-07 23:28:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:28:13,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:28:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:28:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 60 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:28:13,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:28:13,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088650132] [2024-05-07 23:28:13,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088650132] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:28:13,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414590629] [2024-05-07 23:28:13,491 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 23:28:13,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:28:13,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:28:13,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:28:13,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 23:28:13,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 23:28:13,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:28:13,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-07 23:28:13,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:28:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:28:13,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:28:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:28:14,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414590629] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:28:14,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:28:14,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 46 [2024-05-07 23:28:14,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306910676] [2024-05-07 23:28:14,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:28:14,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-07 23:28:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:28:14,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-07 23:28:14,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1737, Unknown=0, NotChecked=0, Total=2070 [2024-05-07 23:28:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:28:14,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:28:14,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.043478260869565) internal successors, (278), 46 states have internal predecessors, (278), 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) [2024-05-07 23:28:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:28:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:28:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:28:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:28:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:28:14,783 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 23:28:14,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 32 [2024-05-07 23:28:35,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1382648186, now seen corresponding path program 3 times [2024-05-07 23:28:35,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:28:35,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:28:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 23:28:35,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 23:28:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 23:28:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:28:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:28:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:28:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:28:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:28:35,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 23:28:35,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-07 23:28:35,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:28:35,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:28:35,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1641006274, now seen corresponding path program 5 times [2024-05-07 23:28:35,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:28:35,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341442942] [2024-05-07 23:28:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:28:35,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:28:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:28:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 23:28:35,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:28:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341442942] [2024-05-07 23:28:35,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341442942] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:28:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773326947] [2024-05-07 23:28:35,950 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 23:28:35,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:28:35,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:28:35,961 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:28:35,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 23:28:36,094 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-07 23:28:36,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:28:36,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-07 23:28:36,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:28:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-07 23:28:36,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:28:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-07 23:28:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773326947] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:28:36,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:28:36,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 8] total 42 [2024-05-07 23:28:36,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768427569] [2024-05-07 23:28:36,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:28:36,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-07 23:28:36,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:28:36,791 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 23:28:36,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 32 [2024-05-07 23:28:42,993 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 23:28:43,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1382648186, now seen corresponding path program 4 times [2024-05-07 23:28:43,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:28:43,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:28:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 23:28:43,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 23:28:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 23:28:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-07 23:28:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1649, Unknown=0, NotChecked=0, Total=1806 [2024-05-07 23:28:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:28:43,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:28:43,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.404761904761905) internal successors, (269), 42 states have internal predecessors, (269), 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) [2024-05-07 23:28:43,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:28:43,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:28:43,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:28:43,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:28:43,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:28:43,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:28:45,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:28:45,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 40 [2024-05-07 23:28:56,027 WARN L293 SmtUtils]: Spent 8.06s on a formula simplification. DAG size of input: 26 DAG size of output: 22 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 23:29:12,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1132989636, now seen corresponding path program 5 times [2024-05-07 23:29:12,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:12,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:29:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:13,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:29:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:14,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 23:29:14,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-07 23:29:14,275 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:29:14,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:29:14,276 INFO L85 PathProgramCache]: Analyzing trace with hash 649698186, now seen corresponding path program 6 times [2024-05-07 23:29:14,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:29:14,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188451050] [2024-05-07 23:29:14,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 178 proven. 65 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-05-07 23:29:14,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:29:14,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188451050] [2024-05-07 23:29:14,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188451050] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:29:14,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106663707] [2024-05-07 23:29:14,737 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 23:29:14,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:14,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:29:14,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:29:14,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 23:29:15,187 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-07 23:29:15,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:29:15,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 23:29:15,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:29:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 214 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 23:29:15,746 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:29:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 214 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 23:29:16,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106663707] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:29:16,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:29:16,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 25] total 66 [2024-05-07 23:29:16,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490782731] [2024-05-07 23:29:16,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:29:16,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-07 23:29:16,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:29:16,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-07 23:29:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=3697, Unknown=0, NotChecked=0, Total=4290 [2024-05-07 23:29:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:16,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:29:16,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 5.863636363636363) internal successors, (387), 66 states have internal predecessors, (387), 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) [2024-05-07 23:29:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:17,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-07 23:29:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:17,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:29:17,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:29:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1300231654, now seen corresponding path program 7 times [2024-05-07 23:29:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:29:17,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858272896] [2024-05-07 23:29:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:17,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 177 proven. 168 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:29:17,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:29:17,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858272896] [2024-05-07 23:29:17,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858272896] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:29:17,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855417046] [2024-05-07 23:29:17,888 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 23:29:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:29:17,905 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:29:17,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 23:29:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:18,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-07 23:29:18,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:29:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 219 proven. 126 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:29:18,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:29:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 219 proven. 126 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:29:19,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855417046] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:29:19,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:29:19,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-05-07 23:29:19,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673779575] [2024-05-07 23:29:19,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:29:19,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-07 23:29:19,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:29:19,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-07 23:29:19,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-05-07 23:29:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:19,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:29:19,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.22972972972973) internal successors, (387), 74 states have internal predecessors, (387), 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) [2024-05-07 23:29:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:19,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:19,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:19,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:29:20,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-07 23:29:20,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:20,521 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:29:20,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:29:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1483106974, now seen corresponding path program 8 times [2024-05-07 23:29:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:29:20,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356667761] [2024-05-07 23:29:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:20,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 377 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 23:29:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:29:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356667761] [2024-05-07 23:29:26,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356667761] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:29:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399141131] [2024-05-07 23:29:26,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 23:29:26,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:26,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:29:26,458 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:29:26,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 23:29:26,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 23:29:26,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:29:26,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 147 conjunts are in the unsatisfiable core [2024-05-07 23:29:26,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:29:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 397 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 23:29:29,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:29:33,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:29:33,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 142 treesize of output 495 [2024-05-07 23:29:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-07 23:29:39,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399141131] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:29:39,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:29:39,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56, 44] total 145 [2024-05-07 23:29:39,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481787085] [2024-05-07 23:29:39,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:29:39,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-05-07 23:29:39,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:29:39,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-05-07 23:29:39,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=690, Invalid=20190, Unknown=0, NotChecked=0, Total=20880 [2024-05-07 23:29:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:39,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:29:39,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.9931034482758623) internal successors, (434), 145 states have internal predecessors, (434), 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) [2024-05-07 23:29:39,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:39,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:39,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:39,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:39,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:39,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:39,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:39,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:29:39,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:29:49,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:29:49,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-07 23:29:50,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-05-07 23:29:50,099 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:29:50,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:29:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1894839389, now seen corresponding path program 9 times [2024-05-07 23:29:50,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:29:50,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996087438] [2024-05-07 23:29:50,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:50,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:29:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 410 proven. 200 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-05-07 23:29:50,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:29:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996087438] [2024-05-07 23:29:50,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996087438] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:29:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476012757] [2024-05-07 23:29:50,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 23:29:50,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:50,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:29:50,889 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:29:50,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 23:29:51,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-05-07 23:29:51,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:29:51,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-07 23:29:51,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:29:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 459 proven. 175 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-07 23:29:52,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:29:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 459 proven. 175 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-07 23:29:53,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476012757] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:29:53,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:29:53,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39, 39] total 93 [2024-05-07 23:29:53,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444221165] [2024-05-07 23:29:53,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:29:53,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-05-07 23:29:53,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:29:53,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-05-07 23:29:53,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1355, Invalid=7201, Unknown=0, NotChecked=0, Total=8556 [2024-05-07 23:29:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:53,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:29:53,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.311827956989247) internal successors, (494), 93 states have internal predecessors, (494), 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) [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:29:53,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:29:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:29:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:29:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:29:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:29:54,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 23:29:54,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:29:54,460 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:29:54,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:29:54,460 INFO L85 PathProgramCache]: Analyzing trace with hash 952251259, now seen corresponding path program 10 times [2024-05-07 23:29:54,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:29:54,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950192639] [2024-05-07 23:29:54,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:29:54,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:29:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:30:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:30:02,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:30:02,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950192639] [2024-05-07 23:30:02,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950192639] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:30:02,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287928667] [2024-05-07 23:30:02,605 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 23:30:02,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:30:02,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:30:02,607 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:30:02,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 23:30:02,821 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 23:30:02,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:30:02,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 207 conjunts are in the unsatisfiable core [2024-05-07 23:30:02,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:30:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 828 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-07 23:30:05,077 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:30:14,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:30:14,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 202 treesize of output 1005 [2024-05-07 23:30:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-07 23:30:43,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287928667] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:30:43,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:30:43,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 82, 62] total 175 [2024-05-07 23:30:43,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017056310] [2024-05-07 23:30:43,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:30:43,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2024-05-07 23:30:43,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:30:43,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2024-05-07 23:30:43,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=970, Invalid=29480, Unknown=0, NotChecked=0, Total=30450 [2024-05-07 23:30:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:30:43,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:30:43,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 3.005714285714286) internal successors, (526), 175 states have internal predecessors, (526), 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) [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:30:43,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:31:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:31:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:31:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:31:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:31:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:31:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:31:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:31:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:31:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:31:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:31:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:31:09,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-07 23:31:09,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-07 23:31:09,309 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:31:09,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:31:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2010509736, now seen corresponding path program 11 times [2024-05-07 23:31:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:31:09,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376319811] [2024-05-07 23:31:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:31:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:31:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:31:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1140 proven. 407 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-05-07 23:31:10,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:31:10,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376319811] [2024-05-07 23:31:10,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376319811] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:31:10,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204447107] [2024-05-07 23:31:10,703 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 23:31:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:31:10,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:31:10,705 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:31:10,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-07 23:31:10,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-05-07 23:31:10,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:31:10,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-07 23:31:10,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:31:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1389 proven. 370 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:31:12,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:31:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1389 proven. 370 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:31:15,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204447107] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:31:15,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:31:15,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 59, 59] total 158 [2024-05-07 23:31:15,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432694448] [2024-05-07 23:31:15,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:31:15,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-05-07 23:31:15,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:31:15,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-05-07 23:31:15,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3171, Invalid=21635, Unknown=0, NotChecked=0, Total=24806 [2024-05-07 23:31:15,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:31:15,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:31:15,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 5.069620253164557) internal successors, (801), 158 states have internal predecessors, (801), 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) [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:31:15,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:31:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:31:17,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:31:17,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:31:17,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:31:17,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-07 23:31:17,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-07 23:31:17,819 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:31:17,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:31:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash -468345696, now seen corresponding path program 12 times [2024-05-07 23:31:17,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:31:17,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090658503] [2024-05-07 23:31:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:31:17,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:31:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:31:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 26 proven. 2473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:31:48,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:31:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090658503] [2024-05-07 23:31:48,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090658503] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:31:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538193138] [2024-05-07 23:31:48,138 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 23:31:48,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:31:48,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:31:48,139 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:31:48,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-07 23:31:49,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-05-07 23:31:49,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:31:49,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 331 conjunts are in the unsatisfiable core [2024-05-07 23:31:49,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:31:50,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-07 23:31:51,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 23:31:51,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-07 23:32:09,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 23:32:09,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 86 treesize of output 305 [2024-05-07 23:32:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 129 proven. 1394 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-05-07 23:32:11,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:32:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 1993 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2024-05-07 23:32:49,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538193138] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:32:49,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:32:49,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 125, 124] total 388 [2024-05-07 23:32:49,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491263936] [2024-05-07 23:32:49,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:32:49,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2024-05-07 23:32:49,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:32:49,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2024-05-07 23:32:49,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9884, Invalid=140269, Unknown=3, NotChecked=0, Total=150156 [2024-05-07 23:32:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:32:49,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:32:49,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 388 states have (on average 2.306701030927835) internal successors, (895), 388 states have internal predecessors, (895), 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) [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:32:49,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:39:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:39:37,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-07 23:39:37,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-05-07 23:39:37,248 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:39:37,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:39:37,248 INFO L85 PathProgramCache]: Analyzing trace with hash -927981183, now seen corresponding path program 13 times [2024-05-07 23:39:37,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:39:37,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992470335] [2024-05-07 23:39:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:39:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:39:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:39:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5078 backedges. 3307 proven. 1311 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-05-07 23:39:40,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:39:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992470335] [2024-05-07 23:39:40,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992470335] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:39:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263924652] [2024-05-07 23:39:40,770 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 23:39:40,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:39:40,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:39:40,771 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:39:40,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-07 23:39:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:39:41,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-07 23:39:41,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:39:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5078 backedges. 3376 proven. 1242 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-05-07 23:39:44,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:39:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5078 backedges. 3376 proven. 1242 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-05-07 23:39:47,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263924652] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:39:47,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:39:47,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79, 79] total 194 [2024-05-07 23:39:47,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541640797] [2024-05-07 23:39:47,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:39:47,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-05-07 23:39:47,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:39:47,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-05-07 23:39:47,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5167, Invalid=32275, Unknown=0, NotChecked=0, Total=37442 [2024-05-07 23:39:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:39:47,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:39:47,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 4.809278350515464) internal successors, (933), 194 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:39:47,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:39:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:39:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:39:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:39:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:39:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-07 23:39:50,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-07 23:39:50,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-07 23:39:50,629 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:39:50,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:39:50,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1511541449, now seen corresponding path program 14 times [2024-05-07 23:39:50,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:39:50,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103744330] [2024-05-07 23:39:50,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:39:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:39:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:39:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5223 backedges. 3394 proven. 1460 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-05-07 23:39:54,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:39:54,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103744330] [2024-05-07 23:39:54,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103744330] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:39:54,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958311652] [2024-05-07 23:39:54,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 23:39:54,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:39:54,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:39:54,115 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:39:54,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-07 23:39:54,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 23:39:54,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:39:54,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-07 23:39:54,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:39:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5223 backedges. 3467 proven. 1387 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-05-07 23:39:58,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:40:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5223 backedges. 3467 proven. 1387 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-05-07 23:40:00,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958311652] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:40:00,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:40:00,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 204 [2024-05-07 23:40:00,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597583601] [2024-05-07 23:40:00,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:40:00,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2024-05-07 23:40:00,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:40:00,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2024-05-07 23:40:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5698, Invalid=35714, Unknown=0, NotChecked=0, Total=41412 [2024-05-07 23:40:00,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:40:00,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:40:00,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 4.78921568627451) internal successors, (977), 204 states have internal predecessors, (977), 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) [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:40:00,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:40:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:40:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:40:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:40:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:40:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-07 23:40:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:40:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:40:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:40:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:40:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-07 23:40:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 23:40:02,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-05-07 23:40:03,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-07 23:40:03,105 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:40:03,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:40:03,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1400460271, now seen corresponding path program 15 times [2024-05-07 23:40:03,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:40:03,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510793611] [2024-05-07 23:40:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:40:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:40:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:40:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5376 backedges. 3471 proven. 1617 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-07 23:40:06,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:40:06,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510793611] [2024-05-07 23:40:06,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510793611] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:40:06,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328950145] [2024-05-07 23:40:06,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 23:40:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:40:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:40:06,966 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:40:07,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-07 23:40:10,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 30 check-sat command(s) [2024-05-07 23:40:10,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:40:10,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 100 conjunts are in the unsatisfiable core [2024-05-07 23:40:10,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:40:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5376 backedges. 3831 proven. 1540 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:40:16,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:40:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5376 backedges. 3831 proven. 1540 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 23:40:21,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328950145] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:40:21,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:40:21,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 101, 101] total 282 [2024-05-07 23:40:21,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652815771] [2024-05-07 23:40:21,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:40:21,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 282 states [2024-05-07 23:40:21,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:40:22,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 282 interpolants. [2024-05-07 23:40:22,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9257, Invalid=69985, Unknown=0, NotChecked=0, Total=79242 [2024-05-07 23:40:22,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:40:22,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:40:22,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 282 states, 282 states have (on average 4.826241134751773) internal successors, (1361), 282 states have internal predecessors, (1361), 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) [2024-05-07 23:40:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:40:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:40:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:40:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:40:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:40:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 23:40:22,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 23:40:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 725 states. [2024-05-07 23:40:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-07 23:40:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 23:40:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-07 23:40:27,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-07 23:40:27,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:40:27,961 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 23:40:27,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:40:27,961 INFO L85 PathProgramCache]: Analyzing trace with hash -426142127, now seen corresponding path program 16 times [2024-05-07 23:40:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:40:27,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744504141] [2024-05-07 23:40:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:40:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:40:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-07 23:40:37,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-05-07 23:40:37,158 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-05-07 23:40:37,162 INFO L158 Benchmark]: Toolchain (without parser) took 831752.52ms. Allocated memory was 166.7MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 100.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-05-07 23:40:37,163 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 166.7MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 23:40:37,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.35ms. Allocated memory is still 166.7MB. Free memory was 100.4MB in the beginning and 88.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-07 23:40:37,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.16ms. Allocated memory is still 166.7MB. Free memory was 88.5MB in the beginning and 86.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 23:40:37,163 INFO L158 Benchmark]: Boogie Preprocessor took 69.43ms. Allocated memory is still 166.7MB. Free memory was 86.5MB in the beginning and 140.0MB in the end (delta: -53.5MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2024-05-07 23:40:37,163 INFO L158 Benchmark]: RCFGBuilder took 551.46ms. Allocated memory is still 166.7MB. Free memory was 140.0MB in the beginning and 111.1MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-05-07 23:40:37,163 INFO L158 Benchmark]: TraceAbstraction took 830817.86ms. Allocated memory was 166.7MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 110.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-05-07 23:40:37,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 166.7MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.35ms. Allocated memory is still 166.7MB. Free memory was 100.4MB in the beginning and 88.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.16ms. Allocated memory is still 166.7MB. Free memory was 88.5MB in the beginning and 86.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.43ms. Allocated memory is still 166.7MB. Free memory was 86.5MB in the beginning and 140.0MB in the end (delta: -53.5MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * RCFGBuilder took 551.46ms. Allocated memory is still 166.7MB. Free memory was 140.0MB in the beginning and 111.1MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 830817.86ms. Allocated memory was 166.7MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 110.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown