/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 06:19:25,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 06:19:25,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 06:19:25,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 06:19:25,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 06:19:25,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 06:19:25,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 06:19:25,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 06:19:25,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 06:19:25,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 06:19:25,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 06:19:25,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 06:19:25,678 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 06:19:25,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 06:19:25,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 06:19:25,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 06:19:25,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 06:19:25,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 06:19:25,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 06:19:25,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 06:19:25,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 06:19:25,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 06:19:25,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 06:19:25,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 06:19:25,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 06:19:25,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 06:19:25,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 06:19:25,689 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 06:19:25,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 06:19:25,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 06:19:25,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 06:19:25,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 06:19:25,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 06:19:25,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 06:19:25,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 06:19:25,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 06:19:25,925 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 06:19:25,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2024-04-04 06:19:26,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 06:19:27,148 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 06:19:27,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2024-04-04 06:19:27,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/08cc0493a/09567ebcc3ec4804bd28f799133287c0/FLAGbe4c77a00 [2024-04-04 06:19:27,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/08cc0493a/09567ebcc3ec4804bd28f799133287c0 [2024-04-04 06:19:27,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 06:19:27,179 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 06:19:27,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 06:19:27,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 06:19:27,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 06:19:27,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7331a544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27, skipping insertion in model container [2024-04-04 06:19:27,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 06:19:27,382 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/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2024-04-04 06:19:27,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 06:19:27,419 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 06:19:27,454 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/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2024-04-04 06:19:27,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 06:19:27,467 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 06:19:27,468 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 06:19:27,473 INFO L206 MainTranslator]: Completed translation [2024-04-04 06:19:27,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27 WrapperNode [2024-04-04 06:19:27,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 06:19:27,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 06:19:27,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 06:19:27,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 06:19:27,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,528 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 257 [2024-04-04 06:19:27,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 06:19:27,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 06:19:27,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 06:19:27,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 06:19:27,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 06:19:27,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 06:19:27,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 06:19:27,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 06:19:27,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (1/1) ... [2024-04-04 06:19:27,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 06:19:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:27,641 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) [2024-04-04 06:19:27,659 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 [2024-04-04 06:19:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 06:19:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 06:19:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 06:19:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 06:19:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 06:19:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 06:19:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 06:19:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 06:19:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 06:19:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 06:19:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 06:19:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 06:19:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 06:19:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 06:19:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 06:19:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 06:19:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 06:19:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 06:19:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 06:19:27,684 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 06:19:27,786 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 06:19:27,787 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 06:19:28,171 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 06:19:28,296 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 06:19:28,296 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 06:19:28,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:19:28 BoogieIcfgContainer [2024-04-04 06:19:28,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 06:19:28,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 06:19:28,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 06:19:28,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 06:19:28,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 06:19:27" (1/3) ... [2024-04-04 06:19:28,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2b1ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:19:28, skipping insertion in model container [2024-04-04 06:19:28,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:19:27" (2/3) ... [2024-04-04 06:19:28,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2b1ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:19:28, skipping insertion in model container [2024-04-04 06:19:28,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:19:28" (3/3) ... [2024-04-04 06:19:28,306 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2024-04-04 06:19:28,312 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 06:19:28,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 06:19:28,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 06:19:28,319 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 06:19:28,397 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2024-04-04 06:19:28,436 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 06:19:28,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 06:19:28,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:28,438 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) [2024-04-04 06:19:28,464 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 [2024-04-04 06:19:28,497 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 06:19:28,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:28,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 06:19:28,515 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;@78b33d06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 06:19:28,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-04 06:19:28,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:28,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:28,641 INFO L85 PathProgramCache]: Analyzing trace with hash 291958613, now seen corresponding path program 1 times [2024-04-04 06:19:28,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:28,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103773625] [2024-04-04 06:19:28,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:28,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:29,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:29,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103773625] [2024-04-04 06:19:29,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103773625] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:19:29,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:19:29,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 06:19:29,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103928655] [2024-04-04 06:19:29,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:19:29,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 06:19:29,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:29,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 06:19:29,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 06:19:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:29,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2024-04-04 06:19:29,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 06:19:29,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:29,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:29,111 INFO L85 PathProgramCache]: Analyzing trace with hash -923240753, now seen corresponding path program 1 times [2024-04-04 06:19:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:29,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076289246] [2024-04-04 06:19:29,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:29,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:29,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076289246] [2024-04-04 06:19:29,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076289246] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:19:29,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:19:29,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 06:19:29,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828498733] [2024-04-04 06:19:29,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:19:29,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 06:19:29,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:29,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 06:19:29,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 06:19:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:29,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-04-04 06:19:29,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:29,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 06:19:29,726 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:29,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:29,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1447405390, now seen corresponding path program 1 times [2024-04-04 06:19:29,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:29,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447579662] [2024-04-04 06:19:29,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:29,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:29,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447579662] [2024-04-04 06:19:29,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447579662] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:19:29,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:19:29,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 06:19:29,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450164903] [2024-04-04 06:19:29,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:19:29,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 06:19:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:29,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 06:19:29,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 06:19:29,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:29,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2024-04-04 06:19:29,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:29,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:29,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 06:19:29,895 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:29,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:29,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1494198514, now seen corresponding path program 2 times [2024-04-04 06:19:29,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:29,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675375462] [2024-04-04 06:19:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:30,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:30,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675375462] [2024-04-04 06:19:30,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675375462] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:19:30,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:19:30,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 06:19:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808767137] [2024-04-04 06:19:30,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:19:30,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 06:19:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:30,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 06:19:30,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 06:19:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:30,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:30,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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) [2024-04-04 06:19:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:30,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 06:19:30,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:30,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash -414321576, now seen corresponding path program 1 times [2024-04-04 06:19:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:30,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853101786] [2024-04-04 06:19:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:30,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853101786] [2024-04-04 06:19:30,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853101786] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536011990] [2024-04-04 06:19:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:30,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:30,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:30,510 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) [2024-04-04 06:19:30,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 06:19:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:30,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 06:19:30,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:30,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:31,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536011990] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:19:31,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:19:31,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 06:19:31,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844683146] [2024-04-04 06:19:31,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:19:31,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 06:19:31,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:31,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 06:19:31,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-04-04 06:19:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:31,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:31,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.842105263157896) internal successors, (282), 19 states have internal predecessors, (282), 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) [2024-04-04 06:19:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:31,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:31,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:31,457 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:31,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:31,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2002090430, now seen corresponding path program 2 times [2024-04-04 06:19:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850086869] [2024-04-04 06:19:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 06:19:31,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:31,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850086869] [2024-04-04 06:19:31,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850086869] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:31,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155710967] [2024-04-04 06:19:31,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:19:31,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:31,660 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) [2024-04-04 06:19:31,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 06:19:31,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 06:19:31,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:19:31,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 06:19:31,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 06:19:31,904 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 06:19:31,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155710967] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:19:31,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 06:19:31,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-04-04 06:19:31,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880979525] [2024-04-04 06:19:31,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:19:31,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 06:19:31,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:31,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 06:19:31,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-04-04 06:19:31,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:31,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:31,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 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) [2024-04-04 06:19:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:19:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:32,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:32,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:32,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:32,634 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:32,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1149747544, now seen corresponding path program 1 times [2024-04-04 06:19:32,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:32,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571483769] [2024-04-04 06:19:32,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:32,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:32,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:32,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571483769] [2024-04-04 06:19:32,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571483769] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:32,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911928863] [2024-04-04 06:19:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:32,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:32,852 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) [2024-04-04 06:19:32,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 06:19:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:32,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 06:19:32,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:33,142 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:33,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911928863] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:33,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 06:19:33,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2024-04-04 06:19:33,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368734628] [2024-04-04 06:19:33,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:19:33,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-04 06:19:33,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:33,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-04 06:19:33,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-04-04 06:19:33,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:33,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:33,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 9 states have internal predecessors, (177), 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) [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:33,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:33,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:33,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:33,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:33,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1792654471, now seen corresponding path program 1 times [2024-04-04 06:19:33,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:33,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808979763] [2024-04-04 06:19:33,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:36,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:36,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808979763] [2024-04-04 06:19:36,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808979763] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:36,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941938832] [2024-04-04 06:19:36,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:36,068 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) [2024-04-04 06:19:36,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 06:19:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:36,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 06:19:36,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:36,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-04-04 06:19:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 06:19:36,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:36,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:19:36,688 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 25 treesize of output 16 [2024-04-04 06:19:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 06:19:36,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941938832] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:19:36,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:19:36,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 11, 10] total 35 [2024-04-04 06:19:36,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433546985] [2024-04-04 06:19:36,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:19:36,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 06:19:36,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:36,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 06:19:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1082, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 06:19:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:36,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:36,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.542857142857143) internal successors, (334), 35 states have internal predecessors, (334), 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) [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:36,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:38,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:38,509 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,SelfDestructingSolverStorable7 [2024-04-04 06:19:38,509 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:38,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2023519828, now seen corresponding path program 2 times [2024-04-04 06:19:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750083743] [2024-04-04 06:19:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:38,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:38,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750083743] [2024-04-04 06:19:38,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750083743] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:38,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076910247] [2024-04-04 06:19:38,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:19:38,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:38,781 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) [2024-04-04 06:19:38,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 06:19:38,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 06:19:38,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:19:38,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 06:19:38,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 06:19:39,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 06:19:39,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076910247] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:19:39,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:19:39,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 6] total 19 [2024-04-04 06:19:39,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876258376] [2024-04-04 06:19:39,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:19:39,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 06:19:39,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:39,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 06:19:39,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-04-04 06:19:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:39,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:39,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.894736842105264) internal successors, (302), 19 states have internal predecessors, (302), 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) [2024-04-04 06:19:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 06:19:39,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:39,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:39,996 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:39,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:39,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1064927536, now seen corresponding path program 3 times [2024-04-04 06:19:39,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:39,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612215536] [2024-04-04 06:19:39,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:39,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 06:19:40,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:40,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612215536] [2024-04-04 06:19:40,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612215536] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:40,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285180097] [2024-04-04 06:19:40,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 06:19:40,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:40,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:40,265 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) [2024-04-04 06:19:40,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 06:19:40,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 06:19:40,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:19:40,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 06:19:40,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:19:40,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-04 06:19:40,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285180097] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:19:40,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:19:40,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 6] total 20 [2024-04-04 06:19:40,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948479178] [2024-04-04 06:19:40,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:19:40,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-04 06:19:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:40,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-04 06:19:40,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2024-04-04 06:19:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:40,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:40,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 15.9) internal successors, (318), 20 states have internal predecessors, (318), 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) [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 06:19:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:19:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:41,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:41,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 06:19:41,579 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:41,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:41,579 INFO L85 PathProgramCache]: Analyzing trace with hash 434186535, now seen corresponding path program 4 times [2024-04-04 06:19:41,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:41,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60379291] [2024-04-04 06:19:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:41,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:43,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:43,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60379291] [2024-04-04 06:19:43,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60379291] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:43,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441405537] [2024-04-04 06:19:43,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 06:19:43,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:43,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:43,003 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) [2024-04-04 06:19:43,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 06:19:43,168 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 06:19:43,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:19:43,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 67 conjunts are in the unsatisfiable core [2024-04-04 06:19:43,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:43,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:19:43,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2024-04-04 06:19:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 06:19:44,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:44,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:19:44,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 46 [2024-04-04 06:19:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 06:19:44,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441405537] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:19:44,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:19:44,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 23, 14] total 54 [2024-04-04 06:19:44,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217338201] [2024-04-04 06:19:44,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:19:44,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-04 06:19:44,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:44,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-04 06:19:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=2648, Unknown=0, NotChecked=0, Total=2862 [2024-04-04 06:19:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:44,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:44,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.944444444444445) internal successors, (375), 54 states have internal predecessors, (375), 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) [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:44,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:44,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:19:44,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:44,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:19:46,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:47,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:47,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:47,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:47,075 INFO L85 PathProgramCache]: Analyzing trace with hash -914135639, now seen corresponding path program 5 times [2024-04-04 06:19:47,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:47,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474082585] [2024-04-04 06:19:47,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:47,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:47,428 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 06:19:47,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:47,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474082585] [2024-04-04 06:19:47,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474082585] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:47,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126226293] [2024-04-04 06:19:47,428 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 06:19:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:47,441 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) [2024-04-04 06:19:47,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 06:19:47,583 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-04 06:19:47,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:19:47,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-04 06:19:47,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:47,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:19:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:48,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126226293] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:19:48,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:19:48,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-04-04 06:19:48,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797356441] [2024-04-04 06:19:48,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:19:48,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-04 06:19:48,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:19:48,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-04 06:19:48,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1731, Unknown=0, NotChecked=0, Total=2070 [2024-04-04 06:19:48,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:48,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:19:48,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.695652173913043) internal successors, (446), 46 states have internal predecessors, (446), 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) [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:19:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:19:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:19:49,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 06:19:49,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:49,364 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:19:49,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:19:49,364 INFO L85 PathProgramCache]: Analyzing trace with hash 659015811, now seen corresponding path program 6 times [2024-04-04 06:19:49,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:19:49,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775810478] [2024-04-04 06:19:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:19:49,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:19:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:19:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:19:52,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:19:52,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775810478] [2024-04-04 06:19:52,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775810478] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:19:52,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133513329] [2024-04-04 06:19:52,374 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 06:19:52,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:19:52,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:19:52,389 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) [2024-04-04 06:19:52,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 06:19:52,597 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-04 06:19:52,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:19:52,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 131 conjunts are in the unsatisfiable core [2024-04-04 06:19:52,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:19:52,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 06:19:52,905 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 06:19:52,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 06:19:53,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-04-04 06:19:53,686 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 [2024-04-04 06:19:53,904 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 [2024-04-04 06:19:53,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-04-04 06:19:54,172 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 [2024-04-04 06:19:55,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:19:55,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 67 treesize of output 167 [2024-04-04 06:19:56,217 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:56,593 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:57,681 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:57,885 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:57,989 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:19:58,042 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:58,091 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:58,664 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:59,401 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:59,499 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:19:59,621 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:19:59,717 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:00,506 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:01,259 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:02,262 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:03,734 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:03,969 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:04,467 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:04,842 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:06,017 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:06,615 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:07,046 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:07,166 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:07,375 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:07,708 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:07,815 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:08,071 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:08,858 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:09,136 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:09,337 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:09,781 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:10,251 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:10,430 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:10,687 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:12,497 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:12,864 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:15,832 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:16,114 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:16,545 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:17,097 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:17,264 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:17,599 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:17,860 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:18,154 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:18,394 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:18,561 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:18,681 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:18,890 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:19,045 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:19,371 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:19,675 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:19,838 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:20,009 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:20,196 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:20,313 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:20,664 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:20,781 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:20,989 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:21,100 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:21,229 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:21,600 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:21,757 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:21,854 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:21,957 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:22,098 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:22,370 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:22,745 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:22,955 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:23,315 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:23,413 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:23,560 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:24,057 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:24,375 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:24,778 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:24,949 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:25,165 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:26,017 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:26,443 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:26,771 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:27,212 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:27,436 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:27,666 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:28,528 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:28,948 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:29,626 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:29,788 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:30,016 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:30,141 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:30,376 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:30,527 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:30,828 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:31,197 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:32,202 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:32,542 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:32,697 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:32,912 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:33,256 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:33,687 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:33,876 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:34,044 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:34,364 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:34,531 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:34,747 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:34,934 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:35,161 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:35,352 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:35,541 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:36,314 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:36,881 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:37,110 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-04 06:20:37,274 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:37,567 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:37,658 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:37,846 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:38,072 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:38,676 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:39,402 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:39,557 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:39,768 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:40,025 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:41,272 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:41,862 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:42,073 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:42,713 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:43,065 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:43,279 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:43,456 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:43,648 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:43,808 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:44,231 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:44,625 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:44,875 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:45,366 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:46,068 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:46,920 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:47,303 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:47,892 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:48,266 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:48,714 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:49,218 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:49,433 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:49,831 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:50,275 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:50,548 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:51,060 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:51,547 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:51,683 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:52,277 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:52,554 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:52,724 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:52,916 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:53,200 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:53,361 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:53,774 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:54,060 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-04 06:20:54,728 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:20:57,992 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:21:12,604 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:21:14,230 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:21:15,461 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:21:18,989 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:21:20,602 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-04 06:21:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 26 proven. 105 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-04 06:21:27,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:21:29,547 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_543 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork0_~#t3~0.base| v_ArrVal_543) c_~X_0~0.base))) (= (+ (select .cse0 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0) (select .cse0 (+ c_~X_0~0.offset 4))))) is different from false [2024-04-04 06:21:29,555 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_542 (Array Int Int)) (v_ArrVal_543 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_542) |c_thread1Thread1of1ForFork0_~#t3~0.base| v_ArrVal_543) c_~X_0~0.base))) (= (select .cse0 (+ c_~X_0~0.offset 4)) (+ (select .cse0 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0)))) is different from false [2024-04-04 06:21:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 06:21:29,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133513329] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:21:29,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:21:29,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 45, 26] total 101 [2024-04-04 06:21:29,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039676457] [2024-04-04 06:21:29,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:21:29,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-04 06:21:29,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:21:29,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-04 06:21:29,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=9017, Unknown=20, NotChecked=390, Total=10100 [2024-04-04 06:21:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:21:29,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:21:29,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.336633663366337) internal successors, (539), 101 states have internal predecessors, (539), 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) [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:21:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:21:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:21:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:21:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:21:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:21:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:21:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:21:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:21:59,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 06:22:00,045 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,SelfDestructingSolverStorable12 [2024-04-04 06:22:00,050 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:22:00,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:22:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 694339967, now seen corresponding path program 7 times [2024-04-04 06:22:00,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:22:00,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655188790] [2024-04-04 06:22:00,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:22:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 159 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:00,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:22:00,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655188790] [2024-04-04 06:22:00,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655188790] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:22:00,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525320862] [2024-04-04 06:22:00,887 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 06:22:00,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:00,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:22:00,918 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) [2024-04-04 06:22:00,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 06:22:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:01,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-04 06:22:01,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:22:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 206 proven. 85 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 06:22:01,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:22:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 206 proven. 85 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 06:22:02,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525320862] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:22:02,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:22:02,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 21, 21] total 65 [2024-04-04 06:22:02,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443449781] [2024-04-04 06:22:02,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:22:02,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-04 06:22:02,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:22:02,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-04 06:22:02,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=3609, Unknown=0, NotChecked=0, Total=4160 [2024-04-04 06:22:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:02,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:22:02,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.8) internal successors, (507), 65 states have internal predecessors, (507), 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) [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:02,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:03,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 06:22:03,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:03,553 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:22:03,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:22:03,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1650444071, now seen corresponding path program 8 times [2024-04-04 06:22:03,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:22:03,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144832437] [2024-04-04 06:22:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:03,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:22:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 159 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:22:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144832437] [2024-04-04 06:22:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144832437] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:22:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413151771] [2024-04-04 06:22:04,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:22:04,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:04,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:22:04,383 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) [2024-04-04 06:22:04,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 06:22:04,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 06:22:04,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:22:04,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-04 06:22:04,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:22:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 226 proven. 126 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 06:22:05,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:22:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 226 proven. 126 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 06:22:05,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413151771] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:22:05,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:22:05,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 24, 24] total 73 [2024-04-04 06:22:05,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914493057] [2024-04-04 06:22:05,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:22:05,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-04 06:22:05,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:22:05,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-04 06:22:05,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=4563, Unknown=0, NotChecked=0, Total=5256 [2024-04-04 06:22:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:05,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:22:05,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.5479452054794525) internal successors, (551), 73 states have internal predecessors, (551), 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) [2024-04-04 06:22:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:07,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 06:22:07,340 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,SelfDestructingSolverStorable14 [2024-04-04 06:22:07,340 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:22:07,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:22:07,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1359851059, now seen corresponding path program 9 times [2024-04-04 06:22:07,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:22:07,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2354577] [2024-04-04 06:22:07,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:07,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:22:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 212 proven. 199 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 06:22:07,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:22:07,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2354577] [2024-04-04 06:22:07,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2354577] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:22:07,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468960010] [2024-04-04 06:22:07,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 06:22:07,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:07,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:22:07,929 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) [2024-04-04 06:22:07,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 06:22:08,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-04 06:22:08,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:22:08,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-04 06:22:08,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:22:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:09,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:22:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 134 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:09,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468960010] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:22:09,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:22:09,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 30] total 77 [2024-04-04 06:22:09,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339594568] [2024-04-04 06:22:09,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:22:09,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-04 06:22:09,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:22:09,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-04 06:22:09,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=821, Invalid=5031, Unknown=0, NotChecked=0, Total=5852 [2024-04-04 06:22:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:09,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:22:09,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 8.03896103896104) internal successors, (619), 77 states have internal predecessors, (619), 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) [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 06:22:11,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 06:22:11,358 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,SelfDestructingSolverStorable15 [2024-04-04 06:22:11,358 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:22:11,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:22:11,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1371199091, now seen corresponding path program 10 times [2024-04-04 06:22:11,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:22:11,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096184581] [2024-04-04 06:22:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:11,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:22:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-04 06:22:18,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:22:18,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096184581] [2024-04-04 06:22:18,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096184581] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:22:18,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645167321] [2024-04-04 06:22:18,251 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 06:22:18,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:18,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:22:18,259 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) [2024-04-04 06:22:18,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 06:22:18,521 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 06:22:18,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:22:18,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 173 conjunts are in the unsatisfiable core [2024-04-04 06:22:18,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:22:20,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:22:20,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 23 [2024-04-04 06:22:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:21,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:22:23,042 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:22:23,042 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 145 treesize of output 496 [2024-04-04 06:22:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-04-04 06:22:29,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645167321] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:22:29,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:22:29,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 55, 34] total 122 [2024-04-04 06:22:29,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939735956] [2024-04-04 06:22:29,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:22:29,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-04-04 06:22:29,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:22:29,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-04-04 06:22:29,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=699, Invalid=14063, Unknown=0, NotChecked=0, Total=14762 [2024-04-04 06:22:29,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:29,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:22:29,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.877049180327869) internal successors, (595), 122 states have internal predecessors, (595), 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) [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 06:22:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 06:22:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-04 06:22:46,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 06:22:46,565 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,SelfDestructingSolverStorable16 [2024-04-04 06:22:46,566 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:22:46,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:22:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash -214183405, now seen corresponding path program 1 times [2024-04-04 06:22:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:22:46,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359423527] [2024-04-04 06:22:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:22:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 72 proven. 212 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-04 06:22:46,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:22:46,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359423527] [2024-04-04 06:22:46,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359423527] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:22:46,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955212922] [2024-04-04 06:22:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:46,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:22:46,886 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) [2024-04-04 06:22:46,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 06:22:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:47,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 06:22:47,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:22:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 191 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:47,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:22:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 248 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:48,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955212922] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:22:48,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:22:48,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 25, 25] total 60 [2024-04-04 06:22:48,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220145319] [2024-04-04 06:22:48,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:22:48,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-04 06:22:48,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:22:48,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-04 06:22:48,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=2887, Unknown=0, NotChecked=0, Total=3540 [2024-04-04 06:22:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:48,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:22:48,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.366666666666667) internal successors, (502), 60 states have internal predecessors, (502), 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) [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-04 06:22:48,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-04 06:22:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 06:22:49,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 06:22:49,671 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,SelfDestructingSolverStorable17 [2024-04-04 06:22:49,671 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 06:22:49,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:22:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1134421138, now seen corresponding path program 2 times [2024-04-04 06:22:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:22:49,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539145683] [2024-04-04 06:22:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:22:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:22:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:22:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:55,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:22:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539145683] [2024-04-04 06:22:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539145683] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:22:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734041885] [2024-04-04 06:22:55,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:22:55,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:22:55,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:22:55,022 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) [2024-04-04 06:22:55,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 06:22:55,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 06:22:55,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:22:55,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 162 conjunts are in the unsatisfiable core [2024-04-04 06:22:55,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:22:57,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 06:22:57,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 111 treesize of output 127 [2024-04-04 06:22:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:22:58,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:26:39,386 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-04-04 06:26:39,387 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-04 06:26:39,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 06:26:39,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-04-04 06:26:39,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:26:39,589 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:915) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:579) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) 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:337) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 46 more [2024-04-04 06:26:39,593 INFO L158 Benchmark]: Toolchain (without parser) took 432413.84ms. Allocated memory was 164.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 97.5MB in the beginning and 753.5MB in the end (delta: -656.0MB). Peak memory consumption was 712.7MB. Max. memory is 8.0GB. [2024-04-04 06:26:39,593 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 06:26:39,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.67ms. Allocated memory is still 164.6MB. Free memory was 97.3MB in the beginning and 84.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 06:26:39,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.80ms. Allocated memory is still 164.6MB. Free memory was 84.6MB in the beginning and 82.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 06:26:39,593 INFO L158 Benchmark]: Boogie Preprocessor took 84.92ms. Allocated memory was 164.6MB in the beginning and 245.4MB in the end (delta: 80.7MB). Free memory was 82.1MB in the beginning and 218.1MB in the end (delta: -136.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2024-04-04 06:26:39,593 INFO L158 Benchmark]: RCFGBuilder took 683.27ms. Allocated memory is still 245.4MB. Free memory was 218.1MB in the beginning and 170.9MB in the end (delta: 47.2MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2024-04-04 06:26:39,593 INFO L158 Benchmark]: TraceAbstraction took 431291.54ms. Allocated memory was 245.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 169.9MB in the beginning and 753.5MB in the end (delta: -583.7MB). Peak memory consumption was 703.5MB. Max. memory is 8.0GB. [2024-04-04 06:26:39,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 292.67ms. Allocated memory is still 164.6MB. Free memory was 97.3MB in the beginning and 84.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.80ms. Allocated memory is still 164.6MB. Free memory was 84.6MB in the beginning and 82.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.92ms. Allocated memory was 164.6MB in the beginning and 245.4MB in the end (delta: 80.7MB). Free memory was 82.1MB in the beginning and 218.1MB in the end (delta: -136.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * RCFGBuilder took 683.27ms. Allocated memory is still 245.4MB. Free memory was 218.1MB in the beginning and 170.9MB in the end (delta: 47.2MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * TraceAbstraction took 431291.54ms. Allocated memory was 245.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 169.9MB in the beginning and 753.5MB in the end (delta: -583.7MB). Peak memory consumption was 703.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-04 06:26:39,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...