/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 50 --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/pthread/fib_safe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 11:24:35,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 11:24:35,616 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 11:24:35,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 11:24:35,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 11:24:35,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 11:24:35,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 11:24:35,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 11:24:35,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 11:24:35,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 11:24:35,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 11:24:35,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 11:24:35,648 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 11:24:35,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 11:24:35,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 11:24:35,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 11:24:35,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 11:24:35,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 11:24:35,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 11:24:35,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 11:24:35,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 11:24:35,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 11:24:35,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 11:24:35,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 11:24:35,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 11:24:35,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 11:24:35,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 11:24:35,653 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 11:24:35,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 11:24:35,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 11:24:35,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 11:24:35,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 11:24:35,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 11:24:35,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 11:24:35,655 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 11:24:35,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 11:24:35,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 11:24:35,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 11:24:35,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 11:24:35,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 11:24:35,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 11:24:35,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 11:24:35,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 11:24:35,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 11:24:35,988 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 11:24:35,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-5.i [2024-05-07 11:24:37,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 11:24:37,375 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 11:24:37,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i [2024-05-07 11:24:37,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f39329887/1e16ca70acd4405a9ffd9d3802a13a4d/FLAG857d35243 [2024-05-07 11:24:37,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f39329887/1e16ca70acd4405a9ffd9d3802a13a4d [2024-05-07 11:24:37,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 11:24:37,413 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 11:24:37,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 11:24:37,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 11:24:37,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 11:24:37,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37, skipping insertion in model container [2024-05-07 11:24:37,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 11:24:37,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-05-07 11:24:37,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 11:24:37,797 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 11:24:37,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-05-07 11:24:37,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 11:24:37,862 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 11:24:37,862 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 11:24:37,869 INFO L206 MainTranslator]: Completed translation [2024-05-07 11:24:37,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37 WrapperNode [2024-05-07 11:24:37,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 11:24:37,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 11:24:37,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 11:24:37,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 11:24:37,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,923 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-05-07 11:24:37,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 11:24:37,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 11:24:37,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 11:24:37,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 11:24:37,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 11:24:37,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 11:24:37,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 11:24:37,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 11:24:37,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (1/1) ... [2024-05-07 11:24:37,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 11:24:37,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:38,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 11:24:38,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 11:24:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-07 11:24:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-07 11:24:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 11:24:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 11:24:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 11:24:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 11:24:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 11:24:38,078 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 11:24:38,270 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 11:24:38,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 11:24:38,485 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 11:24:38,494 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 11:24:38,494 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-07 11:24:38,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:24:38 BoogieIcfgContainer [2024-05-07 11:24:38,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 11:24:38,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 11:24:38,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 11:24:38,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 11:24:38,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 11:24:37" (1/3) ... [2024-05-07 11:24:38,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cc6a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:24:38, skipping insertion in model container [2024-05-07 11:24:38,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:24:37" (2/3) ... [2024-05-07 11:24:38,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cc6a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:24:38, skipping insertion in model container [2024-05-07 11:24:38,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:24:38" (3/3) ... [2024-05-07 11:24:38,504 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5.i [2024-05-07 11:24:38,512 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 11:24:38,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 11:24:38,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 11:24:38,523 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 11:24:38,580 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 11:24:38,615 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 11:24:38,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 11:24:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:38,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 11:24:38,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 11:24:38,660 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 11:24:38,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:38,676 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 11:24:38,684 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;@27266f63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 11:24:38,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 11:24:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1818823887, now seen corresponding path program 1 times [2024-05-07 11:24:39,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2019539270, now seen corresponding path program 1 times [2024-05-07 11:24:39,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1476962782, now seen corresponding path program 1 times [2024-05-07 11:24:39,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1832526146, now seen corresponding path program 1 times [2024-05-07 11:24:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2125856643, now seen corresponding path program 2 times [2024-05-07 11:24:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash -397354433, now seen corresponding path program 1 times [2024-05-07 11:24:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:39,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:39,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:39,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1184059601, now seen corresponding path program 1 times [2024-05-07 11:24:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:39,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457690836] [2024-05-07 11:24:39,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:39,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:40,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:40,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457690836] [2024-05-07 11:24:40,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457690836] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:24:40,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 11:24:40,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 11:24:40,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584323006] [2024-05-07 11:24:40,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:24:40,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 11:24:40,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:40,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 11:24:40,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 11:24:40,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:40,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:40,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:40,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:40,247 INFO L85 PathProgramCache]: Analyzing trace with hash 227468881, now seen corresponding path program 1 times [2024-05-07 11:24:40,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:40,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,357 INFO L85 PathProgramCache]: Analyzing trace with hash -317715180, now seen corresponding path program 2 times [2024-05-07 11:24:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:40,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1018665260, now seen corresponding path program 3 times [2024-05-07 11:24:40,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,561 INFO L85 PathProgramCache]: Analyzing trace with hash 162201649, now seen corresponding path program 4 times [2024-05-07 11:24:40,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:40,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:24:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:24:40,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:40,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-07 11:24:40,615 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:40,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash 546730109, now seen corresponding path program 1 times [2024-05-07 11:24:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302494096] [2024-05-07 11:24:40,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:40,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:40,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302494096] [2024-05-07 11:24:40,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302494096] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:24:40,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387154235] [2024-05-07 11:24:40,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:40,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:40,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:40,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:24:40,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 11:24:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:40,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-07 11:24:40,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:24:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:41,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:24:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:41,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387154235] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:24:41,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:24:41,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-07 11:24:41,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434418073] [2024-05-07 11:24:41,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:24:41,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-07 11:24:41,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:41,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-07 11:24:41,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-07 11:24:41,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:41,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:41,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:41,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 11:24:41,385 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,SelfDestructingSolverStorable11 [2024-05-07 11:24:41,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:41,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash -872570179, now seen corresponding path program 2 times [2024-05-07 11:24:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336722127] [2024-05-07 11:24:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:41,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:41,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:41,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336722127] [2024-05-07 11:24:41,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336722127] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:24:41,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074930001] [2024-05-07 11:24:41,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 11:24:41,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:41,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:41,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:24:41,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 11:24:41,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 11:24:41,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:24:41,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 11:24:41,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:24:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:41,864 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:24:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:42,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074930001] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:24:42,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:24:42,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-07 11:24:42,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939957515] [2024-05-07 11:24:42,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:24:42,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-07 11:24:42,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-07 11:24:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-07 11:24:42,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:42,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:42,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.833333333333334) internal successors, (195), 18 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:42,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 11:24:42,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-07 11:24:42,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:42,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:42,425 INFO L85 PathProgramCache]: Analyzing trace with hash 328881981, now seen corresponding path program 3 times [2024-05-07 11:24:42,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:42,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137445515] [2024-05-07 11:24:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:42,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:42,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:42,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137445515] [2024-05-07 11:24:42,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137445515] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:24:42,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494831235] [2024-05-07 11:24:42,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 11:24:42,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:42,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:42,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:24:42,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 11:24:43,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-07 11:24:43,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:24:43,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 11:24:43,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:24:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 11:24:43,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 11:24:43,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494831235] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:24:43,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 11:24:43,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [17] total 30 [2024-05-07 11:24:43,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842561885] [2024-05-07 11:24:43,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:24:43,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-07 11:24:43,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:43,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-07 11:24:43,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2024-05-07 11:24:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:43,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:43,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 15 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:43,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:43,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:43,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:43,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:43,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 11:24:43,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:43,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:43,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:43,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1806159523, now seen corresponding path program 1 times [2024-05-07 11:24:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:43,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400576269] [2024-05-07 11:24:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:44,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:44,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400576269] [2024-05-07 11:24:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400576269] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:24:44,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458891] [2024-05-07 11:24:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:44,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:24:44,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 11:24:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:44,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 11:24:44,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:24:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 11:24:44,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 11:24:44,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458891] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:24:44,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 11:24:44,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 28 [2024-05-07 11:24:44,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728805061] [2024-05-07 11:24:44,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:24:44,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-07 11:24:44,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:44,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-07 11:24:44,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2024-05-07 11:24:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:44,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:44,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:44,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:44,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:44,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:44,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:44,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:44,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 11:24:45,022 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,SelfDestructingSolverStorable14 [2024-05-07 11:24:45,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:45,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1433795, now seen corresponding path program 1 times [2024-05-07 11:24:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:45,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333092668] [2024-05-07 11:24:45,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:45,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:45,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:45,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333092668] [2024-05-07 11:24:45,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333092668] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:24:45,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977886622] [2024-05-07 11:24:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:45,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:45,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:45,303 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:24:45,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 11:24:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:45,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-07 11:24:45,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:24:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:45,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:24:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:45,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977886622] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:24:45,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:24:45,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2024-05-07 11:24:45,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011349865] [2024-05-07 11:24:45,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:24:45,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-07 11:24:45,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:45,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-07 11:24:45,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2024-05-07 11:24:45,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:45,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:45,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.333333333333334) internal successors, (252), 27 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:24:46,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 11:24:46,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-07 11:24:46,378 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:24:46,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:24:46,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1854083322, now seen corresponding path program 2 times [2024-05-07 11:24:46,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:24:46,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812395649] [2024-05-07 11:24:46,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:24:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:24:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:24:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:49,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:24:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812395649] [2024-05-07 11:24:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812395649] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:24:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101533391] [2024-05-07 11:24:49,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 11:24:49,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:24:49,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:24:49,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:24:49,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 11:24:49,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 11:24:49,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:24:49,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 11:24:49,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:24:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 117 proven. 467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:54,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:24:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:24:59,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101533391] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:24:59,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:24:59,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-07 11:24:59,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706294210] [2024-05-07 11:24:59,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:24:59,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-07 11:24:59,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:24:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-07 11:24:59,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1162, Invalid=23330, Unknown=0, NotChecked=0, Total=24492 [2024-05-07 11:24:59,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:24:59,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:24:59,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.535031847133758) internal successors, (555), 157 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:24:59,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:25:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:25:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:25:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:25:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:25:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:25:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:25:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 11:25:09,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 11:25:09,728 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,SelfDestructingSolverStorable16 [2024-05-07 11:25:09,729 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:25:09,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:25:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash 340008463, now seen corresponding path program 1 times [2024-05-07 11:25:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:25:09,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424305138] [2024-05-07 11:25:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:25:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 560 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:25:10,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:25:10,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424305138] [2024-05-07 11:25:10,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424305138] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:25:10,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140037087] [2024-05-07 11:25:10,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:10,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:25:10,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:25:10,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:25:10,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 11:25:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:25:10,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-07 11:25:10,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:25:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:25:10,628 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 11:25:10,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140037087] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:25:10,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 11:25:10,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [27] total 29 [2024-05-07 11:25:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079677967] [2024-05-07 11:25:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:25:10,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-07 11:25:10,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:25:10,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-07 11:25:10,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2024-05-07 11:25:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:25:10,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:25:10,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.333333333333333) internal successors, (198), 27 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:25:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:25:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:25:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:25:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:25:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:25:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:25:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 11:25:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:25:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1703277460, now seen corresponding path program 1 times [2024-05-07 11:25:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:12,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:12,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1335409622, now seen corresponding path program 1 times [2024-05-07 11:25:12,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:12,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:12,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1329336505, now seen corresponding path program 1 times [2024-05-07 11:25:13,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:13,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:13,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:14,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1587227585, now seen corresponding path program 2 times [2024-05-07 11:25:14,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:14,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:14,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash 984940950, now seen corresponding path program 1 times [2024-05-07 11:25:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:31,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1532500589, now seen corresponding path program 3 times [2024-05-07 11:25:31,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:31,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:32,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1068968354, now seen corresponding path program 4 times [2024-05-07 11:25:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:25:32,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:25:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:25:32,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:25:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-05-07 11:26:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:26:04,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 11:26:04,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable17,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:26:04,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:26:04,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:26:04,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1510103876, now seen corresponding path program 3 times [2024-05-07 11:26:04,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:26:04,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476195486] [2024-05-07 11:26:04,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:04,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:26:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:26:06,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:26:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476195486] [2024-05-07 11:26:06,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476195486] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:26:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117543253] [2024-05-07 11:26:06,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 11:26:06,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:26:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:26:06,729 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:26:06,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 11:26:06,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-07 11:26:06,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:26:06,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 11:26:06,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:26:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 80 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:26:10,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:26:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:26:15,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117543253] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:26:15,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:26:15,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 158 [2024-05-07 11:26:15,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979690105] [2024-05-07 11:26:15,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:26:15,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-05-07 11:26:15,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:26:15,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-05-07 11:26:15,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1136, Invalid=23670, Unknown=0, NotChecked=0, Total=24806 [2024-05-07 11:26:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:26:15,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:26:15,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 3.518987341772152) internal successors, (556), 158 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:26:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:26:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1329336505, now seen corresponding path program 5 times [2024-05-07 11:26:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:18,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:19,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1289052264, now seen corresponding path program 6 times [2024-05-07 11:26:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:19,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:19,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:21,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1924333827, now seen corresponding path program 1 times [2024-05-07 11:26:21,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:21,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:21,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1512936037, now seen corresponding path program 1 times [2024-05-07 11:26:22,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:22,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1532500589, now seen corresponding path program 7 times [2024-05-07 11:26:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1068968354, now seen corresponding path program 8 times [2024-05-07 11:26:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:22,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash 944188404, now seen corresponding path program 9 times [2024-05-07 11:26:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:26:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:26:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:26:22,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 11:26:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:27:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2024-05-07 11:27:05,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 11:27:05,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 11:27:05,891 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:27:05,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:27:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash 217378036, now seen corresponding path program 2 times [2024-05-07 11:27:05,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:27:05,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805287023] [2024-05-07 11:27:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:27:05,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:27:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:27:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:27:07,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:27:07,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805287023] [2024-05-07 11:27:07,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805287023] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:27:07,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914193334] [2024-05-07 11:27:07,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 11:27:07,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:27:07,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:27:07,912 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:27:07,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 11:27:08,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 11:27:08,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:27:08,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-07 11:27:08,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:27:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 117 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:27:11,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:27:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:27:16,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914193334] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:27:16,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:27:16,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 151 [2024-05-07 11:27:16,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844676163] [2024-05-07 11:27:16,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:27:16,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-07 11:27:16,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:27:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-07 11:27:16,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1254, Invalid=21396, Unknown=0, NotChecked=0, Total=22650 [2024-05-07 11:27:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:27:16,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:27:16,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 3.5165562913907285) internal successors, (531), 151 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2024-05-07 11:27:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:29:48,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-05-07 11:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2024-05-07 11:29:48,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-07 11:29:48,423 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,SelfDestructingSolverStorable33 [2024-05-07 11:29:48,424 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:29:48,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:29:48,424 INFO L85 PathProgramCache]: Analyzing trace with hash 97712378, now seen corresponding path program 4 times [2024-05-07 11:29:48,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:29:48,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215530958] [2024-05-07 11:29:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:29:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:29:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:29:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:29:50,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:29:50,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215530958] [2024-05-07 11:29:50,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215530958] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:29:50,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540366864] [2024-05-07 11:29:50,601 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 11:29:50,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:29:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:29:50,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:29:50,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 11:29:50,717 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 11:29:50,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:29:50,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 11:29:50,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:29:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 117 proven. 467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:29:54,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:29:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:29:59,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540366864] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:29:59,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:29:59,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 158 [2024-05-07 11:29:59,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707995492] [2024-05-07 11:29:59,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:29:59,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-05-07 11:29:59,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:29:59,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-05-07 11:29:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1147, Invalid=23659, Unknown=0, NotChecked=0, Total=24806 [2024-05-07 11:29:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:29:59,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:29:59,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 3.518987341772152) internal successors, (556), 158 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2024-05-07 11:29:59,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:31:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-05-07 11:31:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-07 11:31:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-05-07 11:31:40,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 11:31:41,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:31:41,114 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:31:41,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:31:41,115 INFO L85 PathProgramCache]: Analyzing trace with hash 474586170, now seen corresponding path program 5 times [2024-05-07 11:31:41,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:31:41,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538909371] [2024-05-07 11:31:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:31:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:31:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:31:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:31:43,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:31:43,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538909371] [2024-05-07 11:31:43,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538909371] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:31:43,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538000338] [2024-05-07 11:31:43,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 11:31:43,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:31:43,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:31:43,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:31:43,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 11:31:43,439 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-07 11:31:43,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:31:43,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-07 11:31:43,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:31:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 80 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:31:47,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:31:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:31:52,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538000338] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:31:52,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:31:52,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 158 [2024-05-07 11:31:52,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784320878] [2024-05-07 11:31:52,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:31:52,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-05-07 11:31:52,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:31:52,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-05-07 11:31:52,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1168, Invalid=23638, Unknown=0, NotChecked=0, Total=24806 [2024-05-07 11:31:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:31:52,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:31:52,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 3.518987341772152) internal successors, (556), 158 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:31:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 11:31:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 11:31:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-07 11:31:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:31:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-05-07 11:31:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-07 11:37:40,614 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 11:37:40,620 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 11:37:40,620 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 11:37:40,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-07 11:37:40,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-05-07 11:37:40,877 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-90-1 term,while SimplifyDDA2 was simplifying 89 xjuncts wrt. a ATOM-1 context. [2024-05-07 11:37:40,879 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 11:37:40,879 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 11:37:40,880 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 11:37:40,883 INFO L448 BasicCegarLoop]: Path program histogram: [9, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-07 11:37:40,886 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 11:37:40,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 11:37:40,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 11:37:40 BasicIcfg [2024-05-07 11:37:40,888 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 11:37:40,889 INFO L158 Benchmark]: Toolchain (without parser) took 783476.39ms. Allocated memory was 295.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 224.1MB in the beginning and 967.7MB in the end (delta: -743.6MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-05-07 11:37:40,889 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 295.7MB. Free memory is still 266.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 11:37:40,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.94ms. Allocated memory is still 295.7MB. Free memory was 223.9MB in the beginning and 204.3MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-07 11:37:40,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.67ms. Allocated memory is still 295.7MB. Free memory was 204.3MB in the beginning and 202.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 11:37:40,890 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 295.7MB. Free memory was 202.1MB in the beginning and 200.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 11:37:40,890 INFO L158 Benchmark]: RCFGBuilder took 526.93ms. Allocated memory is still 295.7MB. Free memory was 200.6MB in the beginning and 254.3MB in the end (delta: -53.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-07 11:37:40,890 INFO L158 Benchmark]: TraceAbstraction took 782390.23ms. Allocated memory was 295.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 253.3MB in the beginning and 967.7MB in the end (delta: -714.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-05-07 11:37:40,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 295.7MB. Free memory is still 266.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 454.94ms. Allocated memory is still 295.7MB. Free memory was 223.9MB in the beginning and 204.3MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.67ms. Allocated memory is still 295.7MB. Free memory was 204.3MB in the beginning and 202.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 295.7MB. Free memory was 202.1MB in the beginning and 200.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 526.93ms. Allocated memory is still 295.7MB. Free memory was 200.6MB in the beginning and 254.3MB in the end (delta: -53.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 782390.23ms. Allocated memory was 295.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 253.3MB in the beginning and 967.7MB in the end (delta: -714.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 843585, independent: 830796, independent conditional: 825165, independent unconditional: 5631, dependent: 12789, dependent conditional: 12767, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 831465, independent: 830796, independent conditional: 825165, independent unconditional: 5631, dependent: 669, dependent conditional: 647, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 831465, independent: 830796, independent conditional: 825165, independent unconditional: 5631, dependent: 669, dependent conditional: 647, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 831465, independent: 830796, independent conditional: 825165, independent unconditional: 5631, dependent: 669, dependent conditional: 647, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 833855, independent: 830796, independent conditional: 366059, independent unconditional: 464737, dependent: 3059, dependent conditional: 2346, dependent unconditional: 713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 833855, independent: 830796, independent conditional: 333362, independent unconditional: 497434, dependent: 3059, dependent conditional: 1387, dependent unconditional: 1672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 833855, independent: 830796, independent conditional: 333362, independent unconditional: 497434, dependent: 3059, dependent conditional: 1387, dependent unconditional: 1672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 970, independent conditional: 108, independent unconditional: 862, dependent: 93, dependent conditional: 88, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 959, independent conditional: 0, independent unconditional: 959, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 104, independent: 11, independent conditional: 11, independent unconditional: 0, dependent: 93, dependent conditional: 88, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 104, independent: 11, independent conditional: 11, independent unconditional: 0, dependent: 93, dependent conditional: 88, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, independent: 61, independent conditional: 61, independent unconditional: 0, dependent: 259, dependent conditional: 218, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 833855, independent: 829826, independent conditional: 333254, independent unconditional: 496572, dependent: 2966, dependent conditional: 1299, dependent unconditional: 1667, unknown: 1063, unknown conditional: 196, unknown unconditional: 867] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 970, Positive conditional cache size: 108, Positive unconditional cache size: 862, Negative cache size: 93, Negative conditional cache size: 88, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 33656, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 833855, independent: 830796, independent conditional: 366059, independent unconditional: 464737, dependent: 3059, dependent conditional: 2346, dependent unconditional: 713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 833855, independent: 830796, independent conditional: 333362, independent unconditional: 497434, dependent: 3059, dependent conditional: 1387, dependent unconditional: 1672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 833855, independent: 830796, independent conditional: 333362, independent unconditional: 497434, dependent: 3059, dependent conditional: 1387, dependent unconditional: 1672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 970, independent conditional: 108, independent unconditional: 862, dependent: 93, dependent conditional: 88, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 959, independent conditional: 0, independent unconditional: 959, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 104, independent: 11, independent conditional: 11, independent unconditional: 0, dependent: 93, dependent conditional: 88, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 104, independent: 11, independent conditional: 11, independent unconditional: 0, dependent: 93, dependent conditional: 88, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, independent: 61, independent conditional: 61, independent unconditional: 0, dependent: 259, dependent conditional: 218, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 833855, independent: 829826, independent conditional: 333254, independent unconditional: 496572, dependent: 2966, dependent conditional: 1299, dependent unconditional: 1667, unknown: 1063, unknown conditional: 196, unknown unconditional: 867] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 970, Positive conditional cache size: 108, Positive unconditional cache size: 862, Negative cache size: 93, Negative conditional cache size: 88, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 33656 ], Independence queries for same thread: 12120 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-90-1 term,while SimplifyDDA2 was simplifying 89 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-90-1 term,while SimplifyDDA2 was simplifying 89 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-90-1 term,while SimplifyDDA2 was simplifying 89 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 782.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 718.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 59.6s InterpolantComputationTime, 3802 NumberOfCodeBlocks, 3802 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 5088 ConstructedInterpolants, 0 QuantifiedInterpolants, 55532 SizeOfPredicates, 278 NumberOfNonLiveVariables, 3740 ConjunctsInSsa, 353 ConjunctsInUnsatCore, 31 InterpolantComputations, 4 PerfectInterpolantSequences, 2518/12656 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 7.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 30, ConditionalCommutativityTraceChecks: 24, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown