/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 17:51:40,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 17:51:40,151 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 17:51:40,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 17:51:40,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 17:51:40,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 17:51:40,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 17:51:40,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 17:51:40,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 17:51:40,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 17:51:40,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 17:51:40,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 17:51:40,206 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 17:51:40,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 17:51:40,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 17:51:40,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 17:51:40,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 17:51:40,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 17:51:40,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 17:51:40,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 17:51:40,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 17:51:40,210 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 17:51:40,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 17:51:40,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 17:51:40,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 17:51:40,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 17:51:40,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 17:51:40,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 17:51:40,211 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 17:51:40,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 17:51:40,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 17:51:40,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 17:51:40,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 17:51:40,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-06 17:51:40,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 17:51:40,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 17:51:40,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 17:51:40,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 17:51:40,452 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 17:51:40,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-05-06 17:51:41,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 17:51:41,754 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 17:51:41,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-05-06 17:51:41,760 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ea2236f4c/43f29fbced4d44fa9b4f7c9c71a97459/FLAG2e1c02d10 [2024-05-06 17:51:41,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ea2236f4c/43f29fbced4d44fa9b4f7c9c71a97459 [2024-05-06 17:51:41,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 17:51:41,774 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 17:51:41,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 17:51:41,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 17:51:41,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 17:51:41,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:41,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e131fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41, skipping insertion in model container [2024-05-06 17:51:41,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:41,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 17:51:41,929 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-counter-determinism.wvr.c[2476,2489] [2024-05-06 17:51:41,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 17:51:41,940 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 17:51:41,956 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-counter-determinism.wvr.c[2476,2489] [2024-05-06 17:51:41,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 17:51:41,963 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 17:51:41,964 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 17:51:41,970 INFO L206 MainTranslator]: Completed translation [2024-05-06 17:51:41,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41 WrapperNode [2024-05-06 17:51:41,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 17:51:41,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 17:51:41,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 17:51:41,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 17:51:41,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:41,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,009 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2024-05-06 17:51:42,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 17:51:42,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 17:51:42,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 17:51:42,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 17:51:42,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 17:51:42,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 17:51:42,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 17:51:42,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 17:51:42,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (1/1) ... [2024-05-06 17:51:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 17:51:42,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:42,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 17:51:42,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 17:51:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 17:51:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 17:51:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 17:51:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 17:51:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 17:51:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 17:51:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 17:51:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-06 17:51:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-06 17:51:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 17:51:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 17:51:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 17:51:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 17:51:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 17:51:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 17:51:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 17:51:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 17:51:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 17:51:42,123 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 17:51:42,222 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 17:51:42,224 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 17:51:42,456 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 17:51:42,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 17:51:42,499 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-06 17:51:42,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:51:42 BoogieIcfgContainer [2024-05-06 17:51:42,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 17:51:42,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 17:51:42,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 17:51:42,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 17:51:42,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:51:41" (1/3) ... [2024-05-06 17:51:42,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cbe1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:51:42, skipping insertion in model container [2024-05-06 17:51:42,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:51:41" (2/3) ... [2024-05-06 17:51:42,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cbe1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:51:42, skipping insertion in model container [2024-05-06 17:51:42,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:51:42" (3/3) ... [2024-05-06 17:51:42,514 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-05-06 17:51:42,520 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 17:51:42,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 17:51:42,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 17:51:42,528 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 17:51:42,608 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-06 17:51:42,642 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 17:51:42,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 17:51:42,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:42,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 17:51:42,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 17:51:42,700 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 17:51:42,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:42,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 17:51:42,717 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;@43820048, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 17:51:42,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-06 17:51:45,122 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 2 more)] === [2024-05-06 17:51:45,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:45,123 INFO L85 PathProgramCache]: Analyzing trace with hash 326408110, now seen corresponding path program 1 times [2024-05-06 17:51:45,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:45,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509659689] [2024-05-06 17:51:45,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-06 17:51:45,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:45,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509659689] [2024-05-06 17:51:45,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509659689] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:51:45,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:51:45,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 17:51:45,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967711381] [2024-05-06 17:51:45,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:51:45,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 17:51:45,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:45,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 17:51:45,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 17:51:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:45,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:45,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:51:45,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:47,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 17:51:47,265 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 2 more)] === [2024-05-06 17:51:47,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:47,266 INFO L85 PathProgramCache]: Analyzing trace with hash 980397473, now seen corresponding path program 1 times [2024-05-06 17:51:47,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:47,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534542664] [2024-05-06 17:51:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:47,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-06 17:51:47,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:47,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534542664] [2024-05-06 17:51:47,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534542664] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:51:47,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952089426] [2024-05-06 17:51:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:47,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:47,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:47,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:51:47,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 17:51:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:47,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-06 17:51:47,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:51:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-06 17:51:48,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:51:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-06 17:51:48,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952089426] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:51:48,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:51:48,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-05-06 17:51:48,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116628339] [2024-05-06 17:51:48,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:51:48,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-06 17:51:48,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:48,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-06 17:51:48,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-05-06 17:51:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:48,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:48,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.904761904761905) internal successors, (208), 21 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:51:48,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:48,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:51:52,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 17:51:52,645 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,SelfDestructingSolverStorable1 [2024-05-06 17:51:52,645 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 2 more)] === [2024-05-06 17:51:52,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:51:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash 820020630, now seen corresponding path program 2 times [2024-05-06 17:51:52,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:51:52,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379911272] [2024-05-06 17:51:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:51:52,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:51:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:51:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-06 17:51:53,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:51:53,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379911272] [2024-05-06 17:51:53,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379911272] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:51:53,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092654308] [2024-05-06 17:51:53,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 17:51:53,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:51:53,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:51:53,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:51:53,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 17:51:53,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 17:51:53,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:51:53,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-06 17:51:53,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:51:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 44 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-06 17:51:53,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:51:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-06 17:51:54,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092654308] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:51:54,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:51:54,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 8] total 43 [2024-05-06 17:51:54,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191630507] [2024-05-06 17:51:54,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:51:54,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-06 17:51:54,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:51:54,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-06 17:51:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2024-05-06 17:51:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:54,180 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:51:54,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.488372093023256) internal successors, (279), 43 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) [2024-05-06 17:51:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:51:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:51:54,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:04,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-06 17:52:05,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:05,160 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 2 more)] === [2024-05-06 17:52:05,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:52:05,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2027470836, now seen corresponding path program 3 times [2024-05-06 17:52:05,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:52:05,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640599922] [2024-05-06 17:52:05,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:05,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 306 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-06 17:52:05,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:52:05,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640599922] [2024-05-06 17:52:05,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640599922] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:52:05,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694694245] [2024-05-06 17:52:05,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 17:52:05,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:05,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:52:05,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:52:05,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 17:52:05,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-06 17:52:05,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:52:05,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-06 17:52:05,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:52:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 17:52:06,659 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:52:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 252 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-05-06 17:52:07,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694694245] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:52:07,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:52:07,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 13] total 44 [2024-05-06 17:52:07,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819366172] [2024-05-06 17:52:07,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:52:07,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-06 17:52:07,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:52:07,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-06 17:52:07,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1720, Unknown=0, NotChecked=0, Total=1892 [2024-05-06 17:52:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:07,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:52:07,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.636363636363637) internal successors, (336), 44 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:52:07,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:07,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:07,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:07,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:10,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-06 17:52:10,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 17:52:10,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:10,310 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-06 17:52:10,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:52:10,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1897084805, now seen corresponding path program 4 times [2024-05-06 17:52:10,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:52:10,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089087169] [2024-05-06 17:52:10,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:10,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-05-06 17:52:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:52:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089087169] [2024-05-06 17:52:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089087169] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:52:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047074571] [2024-05-06 17:52:10,615 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 17:52:10,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:10,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:52:10,618 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:52:10,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 17:52:10,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 17:52:10,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:52:10,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-06 17:52:10,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:52:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-05-06 17:52:10,892 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 17:52:10,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047074571] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:52:10,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 17:52:10,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-05-06 17:52:10,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485672817] [2024-05-06 17:52:10,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:52:10,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 17:52:10,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:52:10,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 17:52:10,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-06 17:52:10,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:10,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:52:10,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:52:10,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:10,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:10,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:10,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-06 17:52:10,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-06 17:52:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:11,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-06 17:52:11,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:11,588 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 2 more)] === [2024-05-06 17:52:11,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:52:11,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1120862621, now seen corresponding path program 5 times [2024-05-06 17:52:11,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:52:11,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708738625] [2024-05-06 17:52:11,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 43 proven. 99 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-05-06 17:52:12,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:52:12,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708738625] [2024-05-06 17:52:12,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708738625] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:52:12,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670520815] [2024-05-06 17:52:12,049 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 17:52:12,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:52:12,051 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:52:12,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 17:52:12,195 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-06 17:52:12,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:52:12,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-06 17:52:12,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:52:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:52:13,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:52:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-05-06 17:52:13,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670520815] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:52:13,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:52:13,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 8] total 48 [2024-05-06 17:52:13,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92358170] [2024-05-06 17:52:13,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:52:13,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-06 17:52:13,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:52:13,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-06 17:52:13,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2024-05-06 17:52:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:13,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:52:13,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.291666666666667) internal successors, (350), 48 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:52:13,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:13,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:13,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:13,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-06 17:52:13,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:13,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 17:52:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-05-06 17:52:29,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 17:52:29,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:29,969 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 2 more)] === [2024-05-06 17:52:29,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:52:29,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1025755341, now seen corresponding path program 6 times [2024-05-06 17:52:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:52:29,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104206050] [2024-05-06 17:52:29,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 421 proven. 368 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-05-06 17:52:30,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:52:30,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104206050] [2024-05-06 17:52:30,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104206050] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:52:30,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349533066] [2024-05-06 17:52:30,333 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 17:52:30,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:30,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:52:30,335 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:52:30,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 17:52:30,516 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-06 17:52:30,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:52:30,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-06 17:52:30,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:52:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 1387 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 17:52:31,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:52:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 422 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2024-05-06 17:52:32,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349533066] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:52:32,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:52:32,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 51, 12] total 65 [2024-05-06 17:52:32,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696296767] [2024-05-06 17:52:32,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:52:32,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-06 17:52:32,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:52:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-06 17:52:32,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3848, Unknown=0, NotChecked=0, Total=4160 [2024-05-06 17:52:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:32,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:52:32,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.953846153846154) internal successors, (517), 65 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:52:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 17:52:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-05-06 17:52:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:52:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:52:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-05-06 17:52:52,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-06 17:52:53,028 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,SelfDestructingSolverStorable6 [2024-05-06 17:52:53,029 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 2 more)] === [2024-05-06 17:52:53,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:52:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1913009366, now seen corresponding path program 7 times [2024-05-06 17:52:53,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:52:53,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980097645] [2024-05-06 17:52:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:52:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:52:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1 proven. 587 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2024-05-06 17:52:55,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:52:55,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980097645] [2024-05-06 17:52:55,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980097645] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:52:55,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51519085] [2024-05-06 17:52:55,103 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-06 17:52:55,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:52:55,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:52:55,104 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:52:55,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 17:52:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:52:55,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 93 conjunts are in the unsatisfiable core [2024-05-06 17:52:55,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:52:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 173 proven. 387 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-05-06 17:52:56,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:52:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 84 proven. 481 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-05-06 17:52:58,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51519085] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:52:58,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:52:58,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 32 [2024-05-06 17:52:58,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983112015] [2024-05-06 17:52:58,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:52:58,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-06 17:52:58,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:52:58,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-06 17:52:58,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-05-06 17:52:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:58,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:52:58,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-05-06 17:52:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:53:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-05-06 17:53:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 17:53:12,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 17:53:12,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:53:12,364 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 2 more)] === [2024-05-06 17:53:12,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:53:12,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1637310004, now seen corresponding path program 8 times [2024-05-06 17:53:12,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:53:12,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790137293] [2024-05-06 17:53:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:53:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:53:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:53:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 323 proven. 479 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2024-05-06 17:53:13,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:53:13,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790137293] [2024-05-06 17:53:13,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790137293] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:53:13,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322913501] [2024-05-06 17:53:13,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 17:53:13,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:53:13,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:53:13,684 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:53:13,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 17:53:13,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 17:53:13,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:53:13,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-06 17:53:13,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:53:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 37 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:53:15,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:53:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 329 proven. 368 refuted. 0 times theorem prover too weak. 1392 trivial. 0 not checked. [2024-05-06 17:53:16,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322913501] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:53:16,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:53:16,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 61, 14] total 77 [2024-05-06 17:53:16,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498728688] [2024-05-06 17:53:16,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:53:16,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-06 17:53:16,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:53:16,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-06 17:53:16,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=5528, Unknown=0, NotChecked=0, Total=5852 [2024-05-06 17:53:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:53:16,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:53:16,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.675324675324675) internal successors, (514), 77 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:53:16,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 17:53:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-06 17:53:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-06 17:53:57,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-06 17:53:57,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:53:57,467 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 2 more)] === [2024-05-06 17:53:57,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:53:57,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1114499695, now seen corresponding path program 9 times [2024-05-06 17:53:57,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:53:57,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262014721] [2024-05-06 17:53:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:53:57,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:53:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:53:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 208 proven. 1024 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2024-05-06 17:53:58,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:53:58,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262014721] [2024-05-06 17:53:58,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262014721] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:53:58,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807696988] [2024-05-06 17:53:58,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 17:53:58,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:53:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:53:58,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:53:58,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-06 17:53:58,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-06 17:53:58,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:53:58,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-06 17:53:58,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:54:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 2758 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 17:54:01,039 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:54:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 327 refuted. 0 times theorem prover too weak. 2433 trivial. 0 not checked. [2024-05-06 17:54:01,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807696988] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:54:01,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:54:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 73, 10] total 86 [2024-05-06 17:54:01,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183933242] [2024-05-06 17:54:01,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:54:01,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-05-06 17:54:01,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:54:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-05-06 17:54:01,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=6884, Unknown=0, NotChecked=0, Total=7310 [2024-05-06 17:54:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:54:01,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:54:01,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.255813953488372) internal successors, (624), 86 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) [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-06 17:54:01,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-06 17:54:01,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:54:49,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-06 17:54:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-06 17:54:49,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-06 17:54:49,744 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,SelfDestructingSolverStorable9 [2024-05-06 17:54:49,745 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 2 more)] === [2024-05-06 17:54:49,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:54:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -776414106, now seen corresponding path program 10 times [2024-05-06 17:54:49,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:54:49,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207403252] [2024-05-06 17:54:49,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:54:49,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:54:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:54:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 242 proven. 493 refuted. 0 times theorem prover too weak. 3559 trivial. 0 not checked. [2024-05-06 17:54:54,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:54:54,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207403252] [2024-05-06 17:54:54,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207403252] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:54:54,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407531752] [2024-05-06 17:54:54,388 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 17:54:54,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:54:54,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:54:54,389 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:54:54,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-06 17:54:54,581 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 17:54:54,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:54:54,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 84 conjunts are in the unsatisfiable core [2024-05-06 17:54:54,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:54:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 3835 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-06 17:54:58,041 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:54:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 200 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2024-05-06 17:54:58,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407531752] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:54:58,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:54:58,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 85, 8] total 106 [2024-05-06 17:54:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251735325] [2024-05-06 17:54:58,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:54:58,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-05-06 17:54:58,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:54:58,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-05-06 17:54:58,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=10683, Unknown=0, NotChecked=0, Total=11130 [2024-05-06 17:54:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:54:58,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:54:58,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 5.783018867924528) internal successors, (613), 106 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:54:58,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-06 17:54:58,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.