/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 00:07:49,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 00:07:49,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 00:07:49,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 00:07:49,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 00:07:49,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 00:07:49,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 00:07:49,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 00:07:49,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 00:07:49,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 00:07:49,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 00:07:49,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 00:07:49,316 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 00:07:49,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 00:07:49,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 00:07:49,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 00:07:49,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 00:07:49,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 00:07:49,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 00:07:49,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 00:07:49,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 00:07:49,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 00:07:49,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 00:07:49,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 00:07:49,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 00:07:49,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 00:07:49,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 00:07:49,320 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 00:07:49,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 00:07:49,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 00:07:49,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 00:07:49,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 00:07:49,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 00:07:49,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 00:07:49,321 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 00:07:49,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 00:07:49,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 00:07:49,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 00:07:49,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 00:07:49,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 00:07:49,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 00:07:49,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 00:07:49,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 00:07:49,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 00:07:49,599 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 00:07:49,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c [2024-04-04 00:07:50,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 00:07:50,829 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 00:07:50,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c [2024-04-04 00:07:50,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/44b946004/25d0812a56404a639bc5e3a29ff71651/FLAG689fa29e2 [2024-04-04 00:07:50,853 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/44b946004/25d0812a56404a639bc5e3a29ff71651 [2024-04-04 00:07:50,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 00:07:50,857 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 00:07:50,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 00:07:50,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 00:07:50,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 00:07:50,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:07:50" (1/1) ... [2024-04-04 00:07:50,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1699e20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:50, skipping insertion in model container [2024-04-04 00:07:50,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:07:50" (1/1) ... [2024-04-04 00:07:50,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 00:07:51,017 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2024-04-04 00:07:51,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 00:07:51,031 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 00:07:51,045 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2024-04-04 00:07:51,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 00:07:51,052 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 00:07:51,053 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 00:07:51,058 INFO L206 MainTranslator]: Completed translation [2024-04-04 00:07:51,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51 WrapperNode [2024-04-04 00:07:51,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 00:07:51,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 00:07:51,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 00:07:51,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 00:07:51,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,087 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2024-04-04 00:07:51,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 00:07:51,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 00:07:51,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 00:07:51,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 00:07:51,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 00:07:51,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 00:07:51,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 00:07:51,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 00:07:51,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (1/1) ... [2024-04-04 00:07:51,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 00:07:51,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:07:51,150 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 00:07:51,156 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 00:07:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 00:07:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 00:07:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 00:07:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 00:07:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 00:07:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 00:07:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 00:07:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 00:07:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 00:07:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 00:07:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 00:07:51,211 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 00:07:51,277 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 00:07:51,278 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 00:07:51,451 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 00:07:51,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 00:07:51,499 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 00:07:51,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:07:51 BoogieIcfgContainer [2024-04-04 00:07:51,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 00:07:51,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 00:07:51,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 00:07:51,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 00:07:51,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:07:50" (1/3) ... [2024-04-04 00:07:51,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5695cb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:07:51, skipping insertion in model container [2024-04-04 00:07:51,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:07:51" (2/3) ... [2024-04-04 00:07:51,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5695cb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:07:51, skipping insertion in model container [2024-04-04 00:07:51,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:07:51" (3/3) ... [2024-04-04 00:07:51,507 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2024-04-04 00:07:51,513 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 00:07:51,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 00:07:51,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 00:07:51,520 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 00:07:51,571 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 00:07:51,610 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 00:07:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 00:07:51,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:07:51,611 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 00:07:51,612 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 00:07:51,635 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 00:07:51,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:51,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 00:07:51,650 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;@2b8f4cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 00:07:51,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 00:07:51,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:07:51,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash -558164939, now seen corresponding path program 1 times [2024-04-04 00:07:51,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:07:51,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888013234] [2024-04-04 00:07:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:51,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:07:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:07:52,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:07:52,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888013234] [2024-04-04 00:07:52,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888013234] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:07:52,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:07:52,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 00:07:52,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897050527] [2024-04-04 00:07:52,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:07:52,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 00:07:52,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:07:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 00:07:52,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 00:07:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:52,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:07:52,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 00:07:52,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:52,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 00:07:52,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:07:52,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:52,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1646641701, now seen corresponding path program 1 times [2024-04-04 00:07:52,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:07:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813785024] [2024-04-04 00:07:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:52,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:07:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 00:07:52,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:07:52,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813785024] [2024-04-04 00:07:52,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813785024] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:07:52,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:07:52,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 00:07:52,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825282174] [2024-04-04 00:07:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:07:52,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 00:07:52,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:07:52,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 00:07:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 00:07:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:52,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:07:52,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 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 00:07:52,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:52,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:53,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 00:07:53,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:07:53,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:53,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1620260655, now seen corresponding path program 1 times [2024-04-04 00:07:53,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:07:53,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552343505] [2024-04-04 00:07:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:07:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:07:53,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:07:53,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552343505] [2024-04-04 00:07:53,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552343505] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:07:53,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344688298] [2024-04-04 00:07:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:53,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:07:53,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:07:53,374 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 00:07:53,403 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 00:07:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:53,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 00:07:53,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:07:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:07:53,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:07:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:07:54,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344688298] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:07:54,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:07:54,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-04 00:07:54,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130677867] [2024-04-04 00:07:54,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:07:54,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-04 00:07:54,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:07:54,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-04 00:07:54,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-04 00:07:54,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:54,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:07:54,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.375) internal successors, (225), 24 states have internal predecessors, (225), 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 00:07:54,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:54,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:54,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:07:54,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 00:07:54,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 00:07:54,644 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:07:54,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1285029319, now seen corresponding path program 2 times [2024-04-04 00:07:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:07:54,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383328843] [2024-04-04 00:07:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:54,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:07:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:07:54,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:07:54,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383328843] [2024-04-04 00:07:54,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383328843] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:07:54,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679413437] [2024-04-04 00:07:54,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:07:54,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:07:54,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:07:54,915 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 00:07:54,943 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 00:07:55,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:07:55,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:07:55,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 00:07:55,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:07:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 00:07:55,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:07:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 00:07:55,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679413437] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:07:55,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:07:55,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2024-04-04 00:07:55,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159840565] [2024-04-04 00:07:55,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:07:55,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-04 00:07:55,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:07:55,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-04 00:07:55,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-04-04 00:07:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:55,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:07:55,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.586206896551724) internal successors, (249), 29 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:07:55,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:55,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:55,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:07:55,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:07:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:07:56,927 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 00:07:57,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:07:57,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:07:57,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1319334443, now seen corresponding path program 1 times [2024-04-04 00:07:57,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:07:57,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166395391] [2024-04-04 00:07:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:57,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:07:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:07:57,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:07:57,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166395391] [2024-04-04 00:07:57,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166395391] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:07:57,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484095500] [2024-04-04 00:07:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:57,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:07:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:07:57,398 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 00:07:57,423 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 00:07:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:57,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 00:07:57,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:07:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 00:07:57,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:07:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 00:07:58,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484095500] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:07:58,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:07:58,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 38 [2024-04-04 00:07:58,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705525589] [2024-04-04 00:07:58,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:07:58,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-04 00:07:58,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:07:58,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-04 00:07:58,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1204, Unknown=0, NotChecked=0, Total=1406 [2024-04-04 00:07:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:58,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:07:58,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.342105263157895) internal successors, (279), 38 states have internal predecessors, (279), 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 00:07:58,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:58,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:58,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:07:58,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:07:58,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:07:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:07:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:07:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:07:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:07:58,710 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 00:07:58,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:07:58,908 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:07:58,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:07:58,909 INFO L85 PathProgramCache]: Analyzing trace with hash -758601163, now seen corresponding path program 2 times [2024-04-04 00:07:58,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:07:58,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405762271] [2024-04-04 00:07:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:07:58,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:07:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:07:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:07:59,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:07:59,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405762271] [2024-04-04 00:07:59,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405762271] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:07:59,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021536607] [2024-04-04 00:07:59,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:07:59,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:07:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:07:59,207 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 00:07:59,211 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 00:07:59,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:07:59,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:07:59,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 00:07:59,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:07:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:07:59,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:07:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:07:59,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021536607] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:07:59,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:07:59,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-04-04 00:07:59,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073518975] [2024-04-04 00:07:59,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:07:59,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-04 00:07:59,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:00,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-04 00:08:00,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-04-04 00:08:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:00,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:00,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.617647058823529) internal successors, (293), 34 states have internal predecessors, (293), 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 00:08:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:00,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:00,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:00,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:00,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:00,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:00,491 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 00:08:00,688 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,SelfDestructingSolverStorable5 [2024-04-04 00:08:00,688 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:00,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash -690479566, now seen corresponding path program 3 times [2024-04-04 00:08:00,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:00,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392325343] [2024-04-04 00:08:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:00,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 53 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:08:01,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:01,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392325343] [2024-04-04 00:08:01,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392325343] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:01,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595132816] [2024-04-04 00:08:01,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:08:01,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:01,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:01,058 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 00:08:01,083 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 00:08:01,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 00:08:01,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:08:01,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 00:08:01,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 19 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 00:08:01,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 00:08:02,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595132816] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:02,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:02,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 54 [2024-04-04 00:08:02,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654879004] [2024-04-04 00:08:02,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:02,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-04 00:08:02,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:02,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-04 00:08:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2642, Unknown=0, NotChecked=0, Total=2862 [2024-04-04 00:08:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:02,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:02,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.851851851851852) internal successors, (370), 54 states have internal predecessors, (370), 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 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:02,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:08,462 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 00:08:08,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:08,665 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:08,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash 282976767, now seen corresponding path program 4 times [2024-04-04 00:08:08,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:08,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127756310] [2024-04-04 00:08:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 186 proven. 139 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:08:10,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:10,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127756310] [2024-04-04 00:08:10,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127756310] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:10,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538966570] [2024-04-04 00:08:10,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:08:10,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:10,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:10,056 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 00:08:10,096 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 00:08:10,174 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:08:10,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:08:10,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-04 00:08:10,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 156 proven. 68 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-04-04 00:08:10,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 172 proven. 52 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-04-04 00:08:11,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538966570] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:11,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:11,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 23, 23] total 87 [2024-04-04 00:08:11,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122170330] [2024-04-04 00:08:11,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:11,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-04 00:08:11,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:12,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-04 00:08:12,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=6850, Unknown=0, NotChecked=0, Total=7482 [2024-04-04 00:08:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:12,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:12,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.931034482758621) internal successors, (429), 87 states have internal predecessors, (429), 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 00:08:12,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:12,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:12,970 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 00:08:13,164 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,SelfDestructingSolverStorable7 [2024-04-04 00:08:13,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:13,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash 289409801, now seen corresponding path program 5 times [2024-04-04 00:08:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:13,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206113587] [2024-04-04 00:08:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 249 proven. 102 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:08:13,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:13,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206113587] [2024-04-04 00:08:13,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206113587] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:13,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770942467] [2024-04-04 00:08:13,685 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:08:13,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:13,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:13,686 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 00:08:13,694 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 00:08:13,962 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-04 00:08:13,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:08:13,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 00:08:13,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 266 proven. 85 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:08:14,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 266 proven. 85 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:08:15,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770942467] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:15,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:15,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2024-04-04 00:08:15,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004041861] [2024-04-04 00:08:15,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:15,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-04 00:08:15,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-04 00:08:15,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2024-04-04 00:08:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:15,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:15,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.140625) internal successors, (457), 64 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:15,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:16,115 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 00:08:16,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:16,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:16,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:16,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1343588883, now seen corresponding path program 6 times [2024-04-04 00:08:16,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:16,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410591896] [2024-04-04 00:08:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:16,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 233 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:08:16,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:16,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410591896] [2024-04-04 00:08:16,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410591896] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:16,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699748935] [2024-04-04 00:08:16,922 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:08:16,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:16,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:16,923 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 00:08:16,944 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 00:08:17,474 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-04-04 00:08:17,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:08:17,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 00:08:17,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 193 proven. 152 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-04 00:08:18,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 219 proven. 126 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-04 00:08:19,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699748935] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:19,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:19,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 86 [2024-04-04 00:08:19,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64649390] [2024-04-04 00:08:19,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:19,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-04-04 00:08:19,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:19,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-04-04 00:08:19,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=842, Invalid=6468, Unknown=0, NotChecked=0, Total=7310 [2024-04-04 00:08:19,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:19,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:19,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 5.813953488372093) internal successors, (500), 86 states have internal predecessors, (500), 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 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:20,433 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 00:08:20,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 00:08:20,633 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:20,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:20,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1482137827, now seen corresponding path program 7 times [2024-04-04 00:08:20,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:20,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992013477] [2024-04-04 00:08:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 132 proven. 316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:08:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992013477] [2024-04-04 00:08:21,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992013477] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962558869] [2024-04-04 00:08:21,278 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 00:08:21,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:21,280 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 00:08:21,280 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 00:08:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:21,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 00:08:21,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 219 proven. 190 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-04 00:08:22,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 234 proven. 175 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-04 00:08:23,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962558869] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:23,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:23,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 35, 35] total 96 [2024-04-04 00:08:23,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689670086] [2024-04-04 00:08:23,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:23,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-04-04 00:08:23,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:23,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-04-04 00:08:23,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=8249, Unknown=0, NotChecked=0, Total=9120 [2024-04-04 00:08:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:23,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:23,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 6.0625) internal successors, (582), 96 states have internal predecessors, (582), 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 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:23,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:08:26,946 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 00:08:27,146 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,SelfDestructingSolverStorable10 [2024-04-04 00:08:27,146 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:27,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:27,147 INFO L85 PathProgramCache]: Analyzing trace with hash 745020416, now seen corresponding path program 8 times [2024-04-04 00:08:27,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:27,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737845689] [2024-04-04 00:08:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:27,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 181 proven. 422 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:08:27,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:27,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737845689] [2024-04-04 00:08:27,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737845689] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:27,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82863262] [2024-04-04 00:08:27,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:08:27,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:27,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:27,930 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 00:08:27,931 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 00:08:28,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:08:28,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:08:28,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-04 00:08:28,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 281 proven. 268 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-04 00:08:29,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 317 proven. 232 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-04 00:08:30,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82863262] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:30,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:30,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39, 39] total 108 [2024-04-04 00:08:30,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665357790] [2024-04-04 00:08:30,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:30,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-04-04 00:08:30,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:30,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-04-04 00:08:30,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1058, Invalid=10498, Unknown=0, NotChecked=0, Total=11556 [2024-04-04 00:08:30,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:30,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:30,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.935185185185185) internal successors, (641), 108 states have internal predecessors, (641), 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 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:08:30,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:08:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:08:34,796 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 00:08:34,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:34,989 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:34,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1918955375, now seen corresponding path program 9 times [2024-04-04 00:08:34,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:34,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053339721] [2024-04-04 00:08:34,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:34,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:08:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 238 proven. 543 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:08:35,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:08:35,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053339721] [2024-04-04 00:08:35,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053339721] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:08:35,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81182783] [2024-04-04 00:08:35,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:08:35,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:08:35,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:08:35,876 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 00:08:35,881 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 00:08:36,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-04 00:08:36,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:08:36,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-04 00:08:36,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:08:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 56 proven. 428 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-04-04 00:08:38,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:08:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 448 proven. 36 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-04-04 00:08:40,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81182783] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:08:40,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:08:40,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 51, 44] total 129 [2024-04-04 00:08:40,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764580487] [2024-04-04 00:08:40,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:08:40,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-04-04 00:08:40,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:08:40,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-04-04 00:08:40,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1214, Invalid=15298, Unknown=0, NotChecked=0, Total=16512 [2024-04-04 00:08:40,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:40,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:08:40,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.837209302325581) internal successors, (624), 129 states have internal predecessors, (624), 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 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:08:40,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:08:40,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:08:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:08:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:08:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:08:59,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-04 00:08:59,869 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,SelfDestructingSolverStorable12 [2024-04-04 00:08:59,870 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:08:59,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:08:59,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1554460060, now seen corresponding path program 10 times [2024-04-04 00:08:59,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:08:59,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596609486] [2024-04-04 00:08:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:08:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:08:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:09:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 1424 proven. 726 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:09:05,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:09:05,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596609486] [2024-04-04 00:09:05,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596609486] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:09:05,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628236923] [2024-04-04 00:09:05,595 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:09:05,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:09:05,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:09:05,596 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 00:09:05,597 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 00:09:05,765 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:09:05,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:09:05,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-04 00:09:05,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:09:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 930 proven. 317 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-04-04 00:09:08,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:09:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 950 proven. 297 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-04-04 00:09:10,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628236923] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:09:10,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:09:10,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 43, 43] total 195 [2024-04-04 00:09:10,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428609414] [2024-04-04 00:09:10,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:09:10,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-04-04 00:09:10,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:09:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-04-04 00:09:11,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2814, Invalid=35016, Unknown=0, NotChecked=0, Total=37830 [2024-04-04 00:09:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:11,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:09:11,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 3.9641025641025642) internal successors, (773), 195 states have internal predecessors, (773), 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 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:11,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:11,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:09:13,069 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 00:09:13,262 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,SelfDestructingSolverStorable13 [2024-04-04 00:09:13,263 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:09:13,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:09:13,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1435783322, now seen corresponding path program 11 times [2024-04-04 00:09:13,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:09:13,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312484645] [2024-04-04 00:09:13,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:09:13,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:09:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:09:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1424 proven. 799 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:09:19,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:09:19,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312484645] [2024-04-04 00:09:19,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312484645] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:09:19,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949276220] [2024-04-04 00:09:19,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:09:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:09:19,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:09:19,146 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 00:09:19,149 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 00:09:19,760 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-04-04 00:09:19,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:09:19,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 46 conjunts are in the unsatisfiable core [2024-04-04 00:09:19,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:09:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1612 proven. 370 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-04-04 00:09:22,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:09:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1612 proven. 370 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-04-04 00:09:25,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949276220] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:09:25,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:09:25,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 47, 47] total 205 [2024-04-04 00:09:25,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216241738] [2024-04-04 00:09:25,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:09:25,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-04 00:09:25,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:09:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-04 00:09:25,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3192, Invalid=38628, Unknown=0, NotChecked=0, Total=41820 [2024-04-04 00:09:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:25,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:09:25,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 4.702439024390244) internal successors, (964), 205 states have internal predecessors, (964), 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 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:09:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:09:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:09:27,686 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 00:09:27,880 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,SelfDestructingSolverStorable14 [2024-04-04 00:09:27,880 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:09:27,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:09:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1847510832, now seen corresponding path program 12 times [2024-04-04 00:09:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:09:27,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254262469] [2024-04-04 00:09:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:09:27,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:09:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:09:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1424 proven. 880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:09:33,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:09:33,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254262469] [2024-04-04 00:09:33,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254262469] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:09:33,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409776702] [2024-04-04 00:09:33,671 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:09:33,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:09:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:09:33,672 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 00:09:33,675 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 00:09:35,654 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-04-04 00:09:35,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:09:35,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 73 conjunts are in the unsatisfiable core [2024-04-04 00:09:35,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:09:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1587 proven. 709 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:09:39,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:09:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1845 proven. 451 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:09:43,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409776702] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:09:43,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:09:43,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 64, 59] total 236 [2024-04-04 00:09:43,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783585396] [2024-04-04 00:09:43,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:09:43,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 236 states [2024-04-04 00:09:43,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:09:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2024-04-04 00:09:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4399, Invalid=51061, Unknown=0, NotChecked=0, Total=55460 [2024-04-04 00:09:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:44,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:09:44,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 236 states, 236 states have (on average 4.817796610169491) internal successors, (1137), 236 states have internal predecessors, (1137), 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 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:09:44,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:09:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:09:46,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-04 00:09:47,189 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,SelfDestructingSolverStorable15 [2024-04-04 00:09:47,189 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:09:47,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:09:47,189 INFO L85 PathProgramCache]: Analyzing trace with hash -771164194, now seen corresponding path program 13 times [2024-04-04 00:09:47,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:09:47,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249805219] [2024-04-04 00:09:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:09:47,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:09:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:09:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 1561 proven. 1260 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:09:49,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:09:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249805219] [2024-04-04 00:09:49,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249805219] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:09:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582731204] [2024-04-04 00:09:49,533 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 00:09:49,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:09:49,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:09:49,534 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 00:09:49,535 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 00:09:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:09:49,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 70 conjunts are in the unsatisfiable core [2024-04-04 00:09:49,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:09:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 1377 proven. 1052 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-04-04 00:09:52,713 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:09:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 1453 proven. 976 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-04-04 00:09:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582731204] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:09:56,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:09:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-04-04 00:09:56,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855220580] [2024-04-04 00:09:56,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:09:56,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-04 00:09:56,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:09:57,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-04 00:09:57,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4352, Invalid=37468, Unknown=0, NotChecked=0, Total=41820 [2024-04-04 00:09:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:57,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:09:57,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 5.0) internal successors, (1025), 205 states have internal predecessors, (1025), 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 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:09:57,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:09:57,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:10:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:10:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:10:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:10:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:10:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:10:00,080 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 00:10:00,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-04 00:10:00,278 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:10:00,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:10:00,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1626102804, now seen corresponding path program 14 times [2024-04-04 00:10:00,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:10:00,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728125731] [2024-04-04 00:10:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:10:00,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:10:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:10:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 1388 proven. 1562 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:10:02,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:10:02,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728125731] [2024-04-04 00:10:02,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728125731] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:10:02,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244418296] [2024-04-04 00:10:02,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:10:02,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:10:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:10:02,926 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:10:02,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 00:10:03,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:10:03,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:10:03,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-04 00:10:03,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:10:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 1448 proven. 1145 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 00:10:06,450 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:10:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 1488 proven. 1105 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 00:10:10,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244418296] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:10:10,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:10:10,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 216 [2024-04-04 00:10:10,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580559070] [2024-04-04 00:10:10,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:10:10,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-04-04 00:10:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:10:11,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-04-04 00:10:11,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4903, Invalid=41537, Unknown=0, NotChecked=0, Total=46440 [2024-04-04 00:10:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:11,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:10:11,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 4.87962962962963) internal successors, (1054), 216 states have internal predecessors, (1054), 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 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:10:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:10:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:10:14,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-04 00:10:14,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-04 00:10:14,792 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:10:14,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:10:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1587227210, now seen corresponding path program 15 times [2024-04-04 00:10:14,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:10:14,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565875002] [2024-04-04 00:10:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:10:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:10:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:10:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 992 proven. 2103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:10:17,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:10:17,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565875002] [2024-04-04 00:10:17,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565875002] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:10:17,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017125740] [2024-04-04 00:10:17,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:10:17,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:10:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:10:17,431 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:10:17,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 00:10:19,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-04-04 00:10:19,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:10:19,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-04 00:10:19,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:10:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 0 proven. 1853 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-04-04 00:10:24,316 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:10:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 11 proven. 1842 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-04-04 00:10:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017125740] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:10:30,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:10:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 73, 72] total 212 [2024-04-04 00:10:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553729158] [2024-04-04 00:10:30,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:10:30,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2024-04-04 00:10:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:10:30,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2024-04-04 00:10:30,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2598, Invalid=42134, Unknown=0, NotChecked=0, Total=44732 [2024-04-04 00:10:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:30,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:10:30,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 4.938679245283019) internal successors, (1047), 212 states have internal predecessors, (1047), 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 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:10:30,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:07,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:13:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 787 states. [2024-04-04 00:13:07,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-04-04 00:13:07,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:13:07,767 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:13:07,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:13:07,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1775036141, now seen corresponding path program 16 times [2024-04-04 00:13:07,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:13:07,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747691565] [2024-04-04 00:13:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:13:07,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:13:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:13:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7285 backedges. 4485 proven. 1568 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-04-04 00:13:11,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:13:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747691565] [2024-04-04 00:13:11,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747691565] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:13:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778432361] [2024-04-04 00:13:11,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:13:11,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:13:11,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:13:11,381 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:13:11,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 00:13:11,631 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:13:11,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:13:11,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-04 00:13:11,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:13:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 7285 backedges. 3141 proven. 1328 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2024-04-04 00:13:15,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:13:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7285 backedges. 3227 proven. 1242 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2024-04-04 00:13:20,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778432361] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:13:20,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:13:20,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79, 79] total 229 [2024-04-04 00:13:20,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60318442] [2024-04-04 00:13:20,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:13:20,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2024-04-04 00:13:20,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:13:21,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2024-04-04 00:13:21,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5384, Invalid=46828, Unknown=0, NotChecked=0, Total=52212 [2024-04-04 00:13:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:21,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:13:21,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 4.9475982532751095) internal successors, (1133), 229 states have internal predecessors, (1133), 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 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2024-04-04 00:13:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:13:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:13:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:13:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 787 states. [2024-04-04 00:13:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:13:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 787 states. [2024-04-04 00:13:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:13:25,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 00:13:25,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:13:25,266 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:13:25,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:13:25,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1903204835, now seen corresponding path program 17 times [2024-04-04 00:13:25,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:13:25,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242104323] [2024-04-04 00:13:25,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:13:25,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:13:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:13:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7430 backedges. 4282 proven. 1916 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-04-04 00:13:29,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:13:29,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242104323] [2024-04-04 00:13:29,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242104323] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:13:29,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344019879] [2024-04-04 00:13:29,072 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:13:29,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:13:29,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:13:29,085 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:13:29,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 00:13:31,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-04-04 00:13:31,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:13:31,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 82 conjunts are in the unsatisfiable core [2024-04-04 00:13:31,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:13:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 7430 backedges. 5119 proven. 1387 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-04-04 00:13:35,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:13:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7430 backedges. 5119 proven. 1387 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-04-04 00:13:40,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344019879] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:13:40,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:13:40,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 241 [2024-04-04 00:13:40,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168981661] [2024-04-04 00:13:40,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:13:40,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2024-04-04 00:13:40,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:13:41,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2024-04-04 00:13:41,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5929, Invalid=51911, Unknown=0, NotChecked=0, Total=57840 [2024-04-04 00:13:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:41,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:13:41,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 6.008298755186722) internal successors, (1448), 241 states have internal predecessors, (1448), 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 00:13:41,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:41,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 787 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:13:41,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 787 states. [2024-04-04 00:13:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:13:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-04 00:13:45,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 00:13:45,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-04 00:13:45,583 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 00:13:45,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:13:45,584 INFO L85 PathProgramCache]: Analyzing trace with hash -889517785, now seen corresponding path program 18 times [2024-04-04 00:13:45,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:13:45,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443486987] [2024-04-04 00:13:45,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:13:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:13:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:13:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7583 backedges. 4109 proven. 2242 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-04-04 00:13:49,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:13:49,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443486987] [2024-04-04 00:13:49,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443486987] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:13:49,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108630051] [2024-04-04 00:13:49,635 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:13:49,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:13:49,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:13:49,636 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:13:49,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 00:14:00,728 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-04-04 00:14:00,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:00,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 136 conjunts are in the unsatisfiable core [2024-04-04 00:14:00,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7583 backedges. 33 proven. 6010 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-04-04 00:14:12,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7583 backedges. 33 proven. 6010 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-04-04 00:14:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108630051] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:32,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 137, 137] total 356 [2024-04-04 00:14:32,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416907509] [2024-04-04 00:14:32,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:32,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 356 states [2024-04-04 00:14:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:32,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 356 interpolants. [2024-04-04 00:14:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6537, Invalid=119843, Unknown=0, NotChecked=0, Total=126380 [2024-04-04 00:14:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:32,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:32,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 356 states, 356 states have (on average 4.067415730337078) internal successors, (1448), 356 states have internal predecessors, (1448), 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 00:14:32,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:32,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:32,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:32,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 787 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-04 00:14:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-04 00:21:11,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 00:21:11,236 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:21:11,236 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:21:11,236 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:21:11,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:21:11,397 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1386 known predicates. [2024-04-04 00:21:11,399 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 00:21:11,399 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 00:21:11,399 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 00:21:11,399 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 00:21:11,403 INFO L445 BasicCegarLoop]: Path program histogram: [18, 2, 1, 1] [2024-04-04 00:21:11,407 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 00:21:11,407 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 00:21:11,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:21:11 BasicIcfg [2024-04-04 00:21:11,409 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 00:21:11,409 INFO L158 Benchmark]: Toolchain (without parser) took 800552.60ms. Allocated memory was 320.9MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 250.1MB in the beginning and 320.9MB in the end (delta: -70.7MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-04-04 00:21:11,409 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 00:21:11,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.66ms. Allocated memory is still 320.9MB. Free memory was 249.9MB in the beginning and 238.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 00:21:11,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.71ms. Allocated memory is still 320.9MB. Free memory was 237.9MB in the beginning and 236.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:21:11,410 INFO L158 Benchmark]: Boogie Preprocessor took 29.46ms. Allocated memory is still 320.9MB. Free memory was 236.1MB in the beginning and 234.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 00:21:11,410 INFO L158 Benchmark]: RCFGBuilder took 382.27ms. Allocated memory is still 320.9MB. Free memory was 234.5MB in the beginning and 271.3MB in the end (delta: -36.8MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2024-04-04 00:21:11,410 INFO L158 Benchmark]: TraceAbstraction took 799906.77ms. Allocated memory was 320.9MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 270.2MB in the beginning and 320.9MB in the end (delta: -50.6MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-04-04 00:21:11,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 199.66ms. Allocated memory is still 320.9MB. Free memory was 249.9MB in the beginning and 238.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.71ms. Allocated memory is still 320.9MB. Free memory was 237.9MB in the beginning and 236.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.46ms. Allocated memory is still 320.9MB. Free memory was 236.1MB in the beginning and 234.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 382.27ms. Allocated memory is still 320.9MB. Free memory was 234.5MB in the beginning and 271.3MB in the end (delta: -36.8MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * TraceAbstraction took 799906.77ms. Allocated memory was 320.9MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 270.2MB in the beginning and 320.9MB in the end (delta: -50.6MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150790, independent: 132498, independent conditional: 132498, independent unconditional: 0, dependent: 18292, dependent conditional: 18291, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 132498, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 132498, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 132498, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 24443, independent unconditional: 108055, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 24142, independent unconditional: 108356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 24142, independent unconditional: 108356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 826, independent: 826, independent conditional: 100, independent unconditional: 726, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 826, independent: 826, independent conditional: 0, independent unconditional: 826, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 132498, independent: 131672, independent conditional: 24042, independent unconditional: 107630, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 826, unknown conditional: 100, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 826, Positive cache size: 826, Positive conditional cache size: 100, Positive unconditional cache size: 726, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 301, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 24443, independent unconditional: 108055, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 24142, independent unconditional: 108356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 132498, independent: 132498, independent conditional: 24142, independent unconditional: 108356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 826, independent: 826, independent conditional: 100, independent unconditional: 726, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 826, independent: 826, independent conditional: 0, independent unconditional: 826, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 132498, independent: 131672, independent conditional: 24042, independent unconditional: 107630, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 826, unknown conditional: 100, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 826, Positive cache size: 826, Positive conditional cache size: 100, Positive unconditional cache size: 726, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 301 ], Independence queries for same thread: 18292 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1386 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1386 known predicates. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1386 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1386 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 179 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 799.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 612.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3305, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 20.4s SatisfiabilityAnalysisTime, 153.3s InterpolantComputationTime, 14478 NumberOfCodeBlocks, 14404 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 21530 ConstructedInterpolants, 0 QuantifiedInterpolants, 111319 SizeOfPredicates, 929 NumberOfNonLiveVariables, 12406 ConjunctsInSsa, 939 ConjunctsInUnsatCore, 62 InterpolantComputations, 2 PerfectInterpolantSequences, 78219/123022 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown