/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 21:15:33,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 21:15:33,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 21:15:33,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 21:15:33,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 21:15:33,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 21:15:33,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 21:15:33,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 21:15:33,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 21:15:33,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 21:15:33,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 21:15:33,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 21:15:33,983 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 21:15:33,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 21:15:33,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 21:15:33,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 21:15:33,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 21:15:33,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 21:15:33,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 21:15:33,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 21:15:33,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 21:15:33,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 21:15:33,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 21:15:33,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 21:15:33,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 21:15:33,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 21:15:33,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 21:15:33,989 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 21:15:33,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 21:15:33,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:15:33,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 21:15:33,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 21:15:33,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 21:15:33,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 21:15:33,991 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 21:15:33,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 21:15:33,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 21:15:33,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 21:15:33,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 21:15:34,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 21:15:34,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 21:15:34,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 21:15:34,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 21:15:34,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 21:15:34,268 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 21:15:34,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-04-05 21:15:35,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 21:15:35,475 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 21:15:35,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-04-05 21:15:35,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/98f02b22a/d1d30c6985fd472a8b56a9e60cdaff3b/FLAG0f2feb18e [2024-04-05 21:15:35,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/98f02b22a/d1d30c6985fd472a8b56a9e60cdaff3b [2024-04-05 21:15:35,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 21:15:35,504 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 21:15:35,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 21:15:35,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 21:15:35,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 21:15:35,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b2f94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35, skipping insertion in model container [2024-04-05 21:15:35,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 21:15:35,691 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-simple-array-sum.wvr.c[2690,2703] [2024-04-05 21:15:35,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:15:35,709 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 21:15:35,738 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-simple-array-sum.wvr.c[2690,2703] [2024-04-05 21:15:35,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:15:35,746 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:15:35,747 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:15:35,789 INFO L206 MainTranslator]: Completed translation [2024-04-05 21:15:35,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35 WrapperNode [2024-04-05 21:15:35,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 21:15:35,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 21:15:35,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 21:15:35,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 21:15:35,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,863 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 125 [2024-04-05 21:15:35,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 21:15:35,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 21:15:35,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 21:15:35,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 21:15:35,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 21:15:35,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 21:15:35,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 21:15:35,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 21:15:35,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (1/1) ... [2024-04-05 21:15:35,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:15:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:35,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 21:15:35,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 21:15:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 21:15:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 21:15:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 21:15:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 21:15:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 21:15:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 21:15:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 21:15:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 21:15:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 21:15:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 21:15:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 21:15:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 21:15:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 21:15:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 21:15:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 21:15:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 21:15:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 21:15:36,011 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 21:15:36,080 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 21:15:36,082 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 21:15:36,293 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 21:15:36,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 21:15:36,330 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-04-05 21:15:36,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:15:36 BoogieIcfgContainer [2024-04-05 21:15:36,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 21:15:36,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 21:15:36,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 21:15:36,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 21:15:36,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 09:15:35" (1/3) ... [2024-04-05 21:15:36,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e932cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:15:36, skipping insertion in model container [2024-04-05 21:15:36,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:15:35" (2/3) ... [2024-04-05 21:15:36,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e932cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:15:36, skipping insertion in model container [2024-04-05 21:15:36,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:15:36" (3/3) ... [2024-04-05 21:15:36,340 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-04-05 21:15:36,346 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 21:15:36,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 21:15:36,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 21:15:36,354 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 21:15:36,423 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 21:15:36,457 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 21:15:36,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 21:15:36,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:36,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 21:15:36,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 21:15:36,496 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 21:15:36,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:36,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 21:15:36,517 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;@453a4787, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 21:15:36,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 21:15:37,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:37,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:37,341 INFO L85 PathProgramCache]: Analyzing trace with hash -305992032, now seen corresponding path program 1 times [2024-04-05 21:15:37,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:37,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428210698] [2024-04-05 21:15:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-04-05 21:15:37,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:37,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428210698] [2024-04-05 21:15:37,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428210698] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:15:37,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:15:37,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 21:15:37,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46662702] [2024-04-05 21:15:37,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:15:37,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 21:15:37,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:37,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 21:15:37,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 21:15:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:37,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:37,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:37,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:37,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 21:15:37,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:37,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:37,904 INFO L85 PathProgramCache]: Analyzing trace with hash -309245007, now seen corresponding path program 1 times [2024-04-05 21:15:37,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:37,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387895199] [2024-04-05 21:15:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:37,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-04-05 21:15:38,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:38,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387895199] [2024-04-05 21:15:38,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387895199] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:15:38,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:15:38,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 21:15:38,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187594959] [2024-04-05 21:15:38,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:15:38,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 21:15:38,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:38,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 21:15:38,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 21:15:38,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:38,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:38,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:38,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:38,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:38,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 21:15:38,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:38,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:38,611 INFO L85 PathProgramCache]: Analyzing trace with hash -609435668, now seen corresponding path program 1 times [2024-04-05 21:15:38,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:38,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727504049] [2024-04-05 21:15:38,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 21:15:38,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:38,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727504049] [2024-04-05 21:15:38,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727504049] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:38,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169740965] [2024-04-05 21:15:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:39,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:15:39,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 21:15:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:39,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 21:15:39,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:39,411 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 21:15:39,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 21:15:39,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169740965] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:15:39,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:15:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-05 21:15:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083132309] [2024-04-05 21:15:39,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:15:39,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-05 21:15:39,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:39,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-05 21:15:39,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-05 21:15:39,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:39,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:39,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.375) internal successors, (273), 24 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:40,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 21:15:40,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 21:15:40,313 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:40,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:40,313 INFO L85 PathProgramCache]: Analyzing trace with hash -384244079, now seen corresponding path program 2 times [2024-04-05 21:15:40,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:40,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575492256] [2024-04-05 21:15:40,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 21:15:40,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:40,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575492256] [2024-04-05 21:15:40,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575492256] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:40,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671100473] [2024-04-05 21:15:40,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 21:15:40,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:40,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:15:40,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 21:15:40,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 21:15:40,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:15:40,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 21:15:40,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 21:15:41,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 21:15:41,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671100473] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:15:41,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:15:41,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-04-05 21:15:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145417657] [2024-04-05 21:15:41,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:15:41,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-05 21:15:41,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:41,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-05 21:15:41,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-04-05 21:15:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:41,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:41,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.441176470588236) internal successors, (321), 34 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:41,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:41,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:41,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:41,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:42,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 21:15:42,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:42,383 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:42,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash 225312652, now seen corresponding path program 3 times [2024-04-05 21:15:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:42,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675888173] [2024-04-05 21:15:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:42,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 74 proven. 89 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-04-05 21:15:42,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:42,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675888173] [2024-04-05 21:15:42,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675888173] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:42,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066772583] [2024-04-05 21:15:42,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 21:15:42,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:42,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:42,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:15:42,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 21:15:43,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 21:15:43,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:15:43,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 21:15:43,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-04-05 21:15:43,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-04-05 21:15:43,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066772583] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:15:43,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:15:43,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 26 [2024-04-05 21:15:43,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761811343] [2024-04-05 21:15:43,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:15:43,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-05 21:15:43,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:43,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-05 21:15:43,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-04-05 21:15:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:43,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:43,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.153846153846153) internal successors, (368), 26 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:43,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 21:15:44,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 21:15:45,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:45,062 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:45,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:45,063 INFO L85 PathProgramCache]: Analyzing trace with hash 664634737, now seen corresponding path program 1 times [2024-04-05 21:15:45,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:45,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216387735] [2024-04-05 21:15:45,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:45,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-04-05 21:15:45,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:45,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216387735] [2024-04-05 21:15:45,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216387735] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:15:45,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:15:45,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 21:15:45,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453919407] [2024-04-05 21:15:45,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:15:45,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 21:15:45,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:45,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 21:15:45,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-05 21:15:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:45,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:45,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:45,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:45,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:45,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:45,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:45,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 21:15:45,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 21:15:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:15:45,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-05 21:15:45,702 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:45,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:45,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1934953334, now seen corresponding path program 4 times [2024-04-05 21:15:45,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:45,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117706375] [2024-04-05 21:15:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 44 proven. 39 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-04-05 21:15:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117706375] [2024-04-05 21:15:45,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117706375] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909438516] [2024-04-05 21:15:45,946 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 21:15:45,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:45,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:45,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:15:45,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 21:15:46,074 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 21:15:46,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:15:46,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 21:15:46,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 68 proven. 36 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 21:15:46,450 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 90 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 21:15:46,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909438516] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:15:46,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:15:46,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 33 [2024-04-05 21:15:46,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152831629] [2024-04-05 21:15:46,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:15:46,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 21:15:46,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:46,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 21:15:46,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=834, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 21:15:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:46,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:46,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.757575757575758) internal successors, (388), 33 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 21:15:46,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:15:46,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 21:15:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:15:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:15:48,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 21:15:48,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-05 21:15:48,758 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:15:48,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:48,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1624752662, now seen corresponding path program 5 times [2024-04-05 21:15:48,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:48,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917557798] [2024-04-05 21:15:48,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:48,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 85 proven. 110 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 21:15:49,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917557798] [2024-04-05 21:15:49,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917557798] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806560627] [2024-04-05 21:15:49,178 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 21:15:49,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:49,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:49,180 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:15:49,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 21:15:49,411 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-05 21:15:49,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:15:49,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 21:15:49,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 109 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 21:15:49,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 34 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-04-05 21:15:50,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806560627] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:15:50,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:15:50,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 10] total 46 [2024-04-05 21:15:50,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001170229] [2024-04-05 21:15:50,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:15:50,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-05 21:15:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:50,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-05 21:15:50,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1899, Unknown=0, NotChecked=0, Total=2070 [2024-04-05 21:15:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:50,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:50,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.91304347826087) internal successors, (456), 46 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:15:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:03,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-05 21:16:03,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 21:16:04,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:04,194 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:16:04,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:16:04,194 INFO L85 PathProgramCache]: Analyzing trace with hash 286411256, now seen corresponding path program 6 times [2024-04-05 21:16:04,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:16:04,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530483971] [2024-04-05 21:16:04,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:16:04,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:16:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:16:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 11 proven. 147 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-04-05 21:16:04,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:16:04,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530483971] [2024-04-05 21:16:04,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530483971] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:16:04,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865882604] [2024-04-05 21:16:04,617 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 21:16:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:04,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:16:04,618 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:16:04,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 21:16:04,765 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-04-05 21:16:04,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:16:04,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-05 21:16:04,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:16:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-05 21:16:04,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 21:16:04,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865882604] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:16:04,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 21:16:04,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2024-04-05 21:16:04,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487287153] [2024-04-05 21:16:04,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:16:04,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 21:16:04,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:16:04,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 21:16:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-04-05 21:16:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:04,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:16:04,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-05 21:16:04,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:27,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-04-05 21:16:27,789 INFO L85 PathProgramCache]: Analyzing trace with hash -126414095, now seen corresponding path program 1 times [2024-04-05 21:16:27,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:16:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:16:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 21:16:27,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 21:16:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat