/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 21:19:23,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 21:19:24,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 21:19:24,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 21:19:24,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 21:19:24,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 21:19:24,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 21:19:24,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 21:19:24,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 21:19:24,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 21:19:24,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 21:19:24,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 21:19:24,039 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 21:19:24,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 21:19:24,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 21:19:24,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 21:19:24,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 21:19:24,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 21:19:24,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 21:19:24,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 21:19:24,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 21:19:24,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 21:19:24,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 21:19:24,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 21:19:24,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 21:19:24,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 21:19:24,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 21:19:24,044 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 21:19:24,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 21:19:24,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 21:19:24,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 21:19:24,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 21:19:24,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 21:19:24,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 21:19:24,046 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 21:19:24,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 21:19:24,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 21:19:24,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 21:19:24,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 21:19:24,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-03 21:19:24,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 21:19:24,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 21:19:24,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 21:19:24,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 21:19:24,354 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 21:19:24,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-7.i [2024-04-03 21:19:25,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 21:19:25,779 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 21:19:25,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i [2024-04-03 21:19:25,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c195ce013/ef78da1822534502965cc26c62da0c2a/FLAG3e427cf30 [2024-04-03 21:19:25,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c195ce013/ef78da1822534502965cc26c62da0c2a [2024-04-03 21:19:25,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 21:19:25,813 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 21:19:25,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 21:19:25,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 21:19:25,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 21:19:25,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 09:19:25" (1/1) ... [2024-04-03 21:19:25,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bd4b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:25, skipping insertion in model container [2024-04-03 21:19:25,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 09:19:25" (1/1) ... [2024-04-03 21:19:25,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 21:19:26,178 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-7.i[30241,30254] [2024-04-03 21:19:26,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 21:19:26,217 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 21:19:26,267 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-7.i[30241,30254] [2024-04-03 21:19:26,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 21:19:26,306 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 21:19:26,306 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 21:19:26,313 INFO L206 MainTranslator]: Completed translation [2024-04-03 21:19:26,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26 WrapperNode [2024-04-03 21:19:26,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 21:19:26,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 21:19:26,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 21:19:26,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 21:19:26,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,358 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-04-03 21:19:26,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 21:19:26,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 21:19:26,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 21:19:26,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 21:19:26,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 21:19:26,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 21:19:26,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 21:19:26,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 21:19:26,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (1/1) ... [2024-04-03 21:19:26,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 21:19:26,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:26,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-03 21:19:26,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-03 21:19:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-03 21:19:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-03 21:19:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-03 21:19:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 21:19:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-03 21:19:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 21:19:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 21:19:26,464 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 21:19:26,594 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 21:19:26,596 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 21:19:26,722 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 21:19:26,732 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 21:19:26,732 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-03 21:19:26,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 09:19:26 BoogieIcfgContainer [2024-04-03 21:19:26,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 21:19:26,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 21:19:26,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 21:19:26,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 21:19:26,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 09:19:25" (1/3) ... [2024-04-03 21:19:26,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210f8c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 09:19:26, skipping insertion in model container [2024-04-03 21:19:26,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 09:19:26" (2/3) ... [2024-04-03 21:19:26,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210f8c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 09:19:26, skipping insertion in model container [2024-04-03 21:19:26,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 09:19:26" (3/3) ... [2024-04-03 21:19:26,741 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-7.i [2024-04-03 21:19:26,749 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 21:19:26,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 21:19:26,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 21:19:26,761 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 21:19:26,848 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-03 21:19:26,884 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 21:19:26,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 21:19:26,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:26,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 21:19:26,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-03 21:19:26,938 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 21:19:26,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:26,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 21:19:26,958 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;@1fb2bbfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 21:19:26,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-03 21:19:27,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:27,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1184059601, now seen corresponding path program 1 times [2024-04-03 21:19:27,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:27,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529787307] [2024-04-03 21:19:27,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:27,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:27,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529787307] [2024-04-03 21:19:27,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529787307] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 21:19:27,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 21:19:27,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-03 21:19:27,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331161346] [2024-04-03 21:19:27,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 21:19:27,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-03 21:19:27,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:28,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-03 21:19:28,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-03 21:19:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:28,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:28,007 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) [2024-04-03 21:19:28,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:28,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 21:19:28,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:28,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:28,082 INFO L85 PathProgramCache]: Analyzing trace with hash 546730109, now seen corresponding path program 1 times [2024-04-03 21:19:28,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:28,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900641036] [2024-04-03 21:19:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:28,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:28,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:28,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900641036] [2024-04-03 21:19:28,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900641036] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:28,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821894602] [2024-04-03 21:19:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:28,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:28,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 21:19:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:28,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-03 21:19:28,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:28,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:19:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821894602] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:19:28,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:19:28,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-03 21:19:28,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773249990] [2024-04-03 21:19:28,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:19:28,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-03 21:19:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:28,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-03 21:19:28,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-03 21:19:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:28,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:28,780 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) [2024-04-03 21:19:28,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:28,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:28,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-03 21:19:29,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-04-03 21:19:29,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:29,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:29,077 INFO L85 PathProgramCache]: Analyzing trace with hash -872570179, now seen corresponding path program 2 times [2024-04-03 21:19:29,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:29,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836683682] [2024-04-03 21:19:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:29,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:29,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:29,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836683682] [2024-04-03 21:19:29,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836683682] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:29,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284117933] [2024-04-03 21:19:29,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 21:19:29,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:29,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:29,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:29,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 21:19:29,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 21:19:29,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:19:29,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-03 21:19:29,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:29,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:19:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:29,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284117933] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:19:29,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:19:29,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-03 21:19:29,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032257768] [2024-04-03 21:19:29,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:19:29,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 21:19:29,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:29,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 21:19:29,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-03 21:19:29,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:29,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:29,881 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) [2024-04-03 21:19:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:29,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:30,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-03 21:19:30,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:30,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:30,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash 328881981, now seen corresponding path program 3 times [2024-04-03 21:19:30,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:30,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887523274] [2024-04-03 21:19:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:30,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:30,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:30,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887523274] [2024-04-03 21:19:30,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887523274] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:30,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177978398] [2024-04-03 21:19:30,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 21:19:30,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:30,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:30,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:30,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 21:19:30,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-03 21:19:30,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:19:30,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-03 21:19:30,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:31,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 21:19:31,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177978398] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 21:19:31,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 21:19:31,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [17] total 32 [2024-04-03 21:19:31,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850767467] [2024-04-03 21:19:31,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 21:19:31,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-03 21:19:31,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:31,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-03 21:19:31,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2024-04-03 21:19:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:31,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:31,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.764705882352942) internal successors, (183), 17 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:19:31,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:31,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:31,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:31,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:31,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-03 21:19:31,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:31,918 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:31,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:31,918 INFO L85 PathProgramCache]: Analyzing trace with hash 996868386, now seen corresponding path program 1 times [2024-04-03 21:19:31,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:31,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560714138] [2024-04-03 21:19:31,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:31,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:32,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560714138] [2024-04-03 21:19:32,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560714138] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:32,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018410727] [2024-04-03 21:19:32,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:32,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:32,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:32,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:32,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-03 21:19:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:32,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-03 21:19:32,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 533 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-03 21:19:32,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 21:19:32,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018410727] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 21:19:32,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 21:19:32,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [21] total 36 [2024-04-03 21:19:32,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721722427] [2024-04-03 21:19:32,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 21:19:32,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-03 21:19:32,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:33,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-03 21:19:33,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1061, Unknown=0, NotChecked=0, Total=1260 [2024-04-03 21:19:33,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:33,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:33,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:19:33,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:33,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:33,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:33,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:33,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:33,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-03 21:19:33,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:33,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:33,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:33,645 INFO L85 PathProgramCache]: Analyzing trace with hash 60620829, now seen corresponding path program 1 times [2024-04-03 21:19:33,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:33,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051804761] [2024-04-03 21:19:33,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:33,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:34,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051804761] [2024-04-03 21:19:34,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051804761] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398153561] [2024-04-03 21:19:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:34,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:34,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:34,078 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:34,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-03 21:19:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:34,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-03 21:19:34,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:34,317 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:34,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:19:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:34,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398153561] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:19:34,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:19:34,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-04-03 21:19:34,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805676382] [2024-04-03 21:19:34,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:19:34,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-03 21:19:34,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:34,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-03 21:19:34,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-04-03 21:19:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:34,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:34,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.5) internal successors, (323), 34 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:19:34,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:34,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:34,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:34,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:34,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:34,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:19:35,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-03 21:19:35,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:35,461 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:35,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:35,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1327961501, now seen corresponding path program 2 times [2024-04-03 21:19:35,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:35,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143745873] [2024-04-03 21:19:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:35,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:36,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:36,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143745873] [2024-04-03 21:19:36,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143745873] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:36,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795043847] [2024-04-03 21:19:36,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 21:19:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:36,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:36,316 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:36,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-03 21:19:36,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 21:19:36,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:19:36,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-03 21:19:36,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:36,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:19:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:37,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795043847] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:19:37,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:19:37,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 35 [2024-04-03 21:19:37,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505213159] [2024-04-03 21:19:37,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:19:37,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-03 21:19:37,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:37,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-03 21:19:37,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2024-04-03 21:19:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:37,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:37,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.2) internal successors, (252), 35 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) [2024-04-03 21:19:37,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:37,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:37,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:37,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:19:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:38,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:19:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:19:38,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-03 21:19:38,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-03 21:19:38,219 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:19:38,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:19:38,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1654436186, now seen corresponding path program 3 times [2024-04-03 21:19:38,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:19:38,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015744231] [2024-04-03 21:19:38,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:19:38,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:19:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:19:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:42,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:19:42,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015744231] [2024-04-03 21:19:42,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015744231] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:19:42,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372845821] [2024-04-03 21:19:42,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 21:19:42,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:19:42,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:19:42,569 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:19:42,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-03 21:19:42,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-03 21:19:42,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:19:42,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-03 21:19:42,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:19:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 212 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:49,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:19:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:19:58,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372845821] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:19:58,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:19:58,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-04-03 21:19:58,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284710399] [2024-04-03 21:19:58,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:19:58,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-03 21:19:58,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:19:58,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-03 21:19:58,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1839, Invalid=39981, Unknown=0, NotChecked=0, Total=41820 [2024-04-03 21:19:58,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:19:58,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:19:58,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.4097560975609755) internal successors, (699), 205 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:19:58,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:20:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:20:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:20:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:20:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:20:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:20:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:20:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:20:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-03 21:20:14,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-03 21:20:14,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:20:14,213 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:20:14,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:20:14,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1163981713, now seen corresponding path program 1 times [2024-04-03 21:20:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:20:14,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815090349] [2024-04-03 21:20:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:20:14,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:20:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:20:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 1038 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:20:15,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:20:15,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815090349] [2024-04-03 21:20:15,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815090349] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:20:15,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526607993] [2024-04-03 21:20:15,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:20:15,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:20:15,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:20:15,129 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:20:15,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-03 21:20:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:20:15,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-03 21:20:15,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:20:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 1186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:20:15,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 21:20:15,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526607993] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 21:20:15,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 21:20:15,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [35] total 37 [2024-04-03 21:20:15,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351943352] [2024-04-03 21:20:15,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 21:20:15,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-03 21:20:15,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:20:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-03 21:20:15,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1003, Unknown=0, NotChecked=0, Total=1332 [2024-04-03 21:20:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:20:15,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:20:15,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.0285714285714285) internal successors, (246), 35 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-03 21:20:15,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:20:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2024-04-03 21:20:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:20:42,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-03 21:20:42,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:20:42,226 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:20:42,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:20:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 704590372, now seen corresponding path program 4 times [2024-04-03 21:20:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:20:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782290336] [2024-04-03 21:20:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:20:42,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:20:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:20:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:20:46,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:20:46,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782290336] [2024-04-03 21:20:46,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782290336] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:20:46,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317543525] [2024-04-03 21:20:46,125 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 21:20:46,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:20:46,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:20:46,126 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:20:46,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-03 21:20:46,247 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 21:20:46,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:20:46,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-03 21:20:46,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:20:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 161 proven. 919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:20:52,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:21:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:21:00,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317543525] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:21:00,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:21:00,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-04-03 21:21:00,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285709808] [2024-04-03 21:21:00,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:21:00,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-03 21:21:00,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:21:01,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-03 21:21:01,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1788, Invalid=40032, Unknown=0, NotChecked=0, Total=41820 [2024-04-03 21:21:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:21:01,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:21:01,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.4097560975609755) internal successors, (699), 205 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:21:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-03 21:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:21:58,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-04-03 21:21:58,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-03 21:21:59,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-03 21:21:59,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:21:59,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:21:59,046 INFO L85 PathProgramCache]: Analyzing trace with hash 730859156, now seen corresponding path program 2 times [2024-04-03 21:21:59,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:21:59,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028416338] [2024-04-03 21:21:59,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:21:59,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:21:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:22:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 0 proven. 1043 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:22:02,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:22:02,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028416338] [2024-04-03 21:22:02,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028416338] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:22:02,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153983311] [2024-04-03 21:22:02,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 21:22:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:22:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:22:02,501 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:22:02,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-03 21:22:02,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 21:22:02,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:22:02,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-03 21:22:02,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:22:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 212 proven. 831 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:22:08,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:22:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 0 proven. 1043 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:22:16,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153983311] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:22:16,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:22:16,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 199 [2024-04-03 21:22:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438975303] [2024-04-03 21:22:16,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:22:16,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 199 states [2024-04-03 21:22:16,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:22:16,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2024-04-03 21:22:16,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2048, Invalid=37354, Unknown=0, NotChecked=0, Total=39402 [2024-04-03 21:22:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:22:16,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:22:16,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 199 states, 199 states have (on average 3.391959798994975) internal successors, (675), 199 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:22:16,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:22:16,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:22:16,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:22:16,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:22:16,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:22:16,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:22:16,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:22:16,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-03 21:22:16,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:22:16,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-04-03 21:22:16,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:24:57,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:24:57,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:24:57,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:24:57,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2024-04-03 21:24:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2024-04-03 21:24:57,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-03 21:24:57,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:24:57,220 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:24:57,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:24:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1542887770, now seen corresponding path program 5 times [2024-04-03 21:24:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:24:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401293838] [2024-04-03 21:24:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:24:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:24:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:25:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:25:00,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:25:00,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401293838] [2024-04-03 21:25:00,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401293838] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:25:00,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088364660] [2024-04-03 21:25:00,755 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 21:25:00,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:25:00,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:25:00,757 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:25:00,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-03 21:25:00,885 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-04-03 21:25:00,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:25:00,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-03 21:25:00,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:25:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 212 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:25:07,262 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:25:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:25:15,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088364660] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:25:15,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:25:15,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-04-03 21:25:15,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947246315] [2024-04-03 21:25:15,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:25:15,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-03 21:25:15,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:25:15,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1342737201, now seen corresponding path program 1 times [2024-04-03 21:25:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:25:15,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:25:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 21:25:15,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 21:25:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 21:25:15,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1092990911, now seen corresponding path program 2 times [2024-04-03 21:25:15,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:25:15,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:25:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 21:25:15,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 21:25:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 21:25:15,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-03 21:25:15,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1812, Invalid=40418, Unknown=0, NotChecked=0, Total=42230 [2024-04-03 21:25:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:25:15,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:25:15,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.4097560975609755) internal successors, (699), 205 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:25:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:25:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:25:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:25:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2024-04-03 21:25:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-04-03 21:26:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2024-04-03 21:26:25,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-03 21:26:25,864 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,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-04-03 21:26:25,865 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:26:25,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:26:25,865 INFO L85 PathProgramCache]: Analyzing trace with hash 393120922, now seen corresponding path program 6 times [2024-04-03 21:26:25,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:26:25,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814527383] [2024-04-03 21:26:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:26:25,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:26:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:26:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:26:29,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:26:29,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814527383] [2024-04-03 21:26:29,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814527383] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:26:29,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227627257] [2024-04-03 21:26:29,754 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-03 21:26:29,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:26:29,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:26:29,755 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:26:29,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-03 21:26:29,884 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-03 21:26:29,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 21:26:29,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-03 21:26:29,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:26:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 161 proven. 919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:26:36,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:26:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:26:45,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227627257] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:26:45,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:26:45,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-04-03 21:26:45,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893477871] [2024-04-03 21:26:45,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:26:45,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-03 21:26:45,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:26:45,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1342737201, now seen corresponding path program 3 times [2024-04-03 21:26:45,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:26:45,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:26:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 21:26:45,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 21:26:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 21:26:45,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-03 21:26:45,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1842, Invalid=40388, Unknown=0, NotChecked=0, Total=42230 [2024-04-03 21:26:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:26:45,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:26:45,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.4097560975609755) internal successors, (699), 205 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2024-04-03 21:26:45,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:26:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2024-04-03 21:26:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-04-03 21:26:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2024-04-03 21:26:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:32:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-04-03 21:32:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-04-03 21:32:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-04-03 21:32:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-04-03 21:32:19,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-03 21:32:19,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-04-03 21:32:19,544 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 21:32:19,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 21:32:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2047429660, now seen corresponding path program 7 times [2024-04-03 21:32:19,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 21:32:19,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010168516] [2024-04-03 21:32:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 21:32:19,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 21:32:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:32:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:32:23,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 21:32:23,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010168516] [2024-04-03 21:32:23,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010168516] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 21:32:23,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103205073] [2024-04-03 21:32:23,009 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-03 21:32:23,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:32:23,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 21:32:23,012 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 21:32:23,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-03 21:32:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 21:32:23,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-03 21:32:23,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 21:32:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 161 proven. 919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:32:29,660 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:32:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 21:32:37,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103205073] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 21:32:37,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 21:32:37,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-04-03 21:32:37,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003890571] [2024-04-03 21:32:37,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 21:32:37,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-04-03 21:32:37,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 21:32:37,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-04-03 21:32:37,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1791, Invalid=40029, Unknown=0, NotChecked=0, Total=41820 [2024-04-03 21:32:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 21:32:37,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 21:32:37,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.4097560975609755) internal successors, (699), 205 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-04-03 21:32:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-04-03 21:32:37,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-04-03 21:32:37,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-03 21:32:39,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-03 21:32:39,024 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 21:32:39,025 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 21:32:39,026 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 21:32:39,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-03 21:32:39,217 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 210 known predicates. [2024-04-03 21:32:39,219 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-03 21:32:39,220 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-03 21:32:39,221 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-03 21:32:39,226 INFO L445 BasicCegarLoop]: Path program histogram: [7, 3, 3, 2, 1, 1] [2024-04-03 21:32:39,229 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-03 21:32:39,229 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-03 21:32:39,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 09:32:39 BasicIcfg [2024-04-03 21:32:39,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-03 21:32:39,232 INFO L158 Benchmark]: Toolchain (without parser) took 793418.34ms. Allocated memory was 267.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 190.6MB in the beginning and 964.7MB in the end (delta: -774.1MB). Peak memory consumption was 688.9MB. Max. memory is 8.0GB. [2024-04-03 21:32:39,232 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 267.4MB. Free memory was 231.7MB in the beginning and 231.7MB in the end (delta: 15.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-03 21:32:39,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.84ms. Allocated memory is still 267.4MB. Free memory was 190.3MB in the beginning and 170.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-03 21:32:39,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.45ms. Allocated memory is still 267.4MB. Free memory was 170.6MB in the beginning and 168.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 21:32:39,232 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 267.4MB. Free memory was 168.5MB in the beginning and 167.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-03 21:32:39,233 INFO L158 Benchmark]: RCFGBuilder took 350.98ms. Allocated memory is still 267.4MB. Free memory was 167.2MB in the beginning and 152.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-03 21:32:39,233 INFO L158 Benchmark]: TraceAbstraction took 792496.19ms. Allocated memory was 267.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 151.5MB in the beginning and 964.7MB in the end (delta: -813.2MB). Peak memory consumption was 650.2MB. Max. memory is 8.0GB. [2024-04-03 21:32:39,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 267.4MB. Free memory was 231.7MB in the beginning and 231.7MB in the end (delta: 15.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 499.84ms. Allocated memory is still 267.4MB. Free memory was 190.3MB in the beginning and 170.6MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.45ms. Allocated memory is still 267.4MB. Free memory was 170.6MB in the beginning and 168.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 267.4MB. Free memory was 168.5MB in the beginning and 167.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 350.98ms. Allocated memory is still 267.4MB. Free memory was 167.2MB in the beginning and 152.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 792496.19ms. Allocated memory was 267.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 151.5MB in the beginning and 964.7MB in the end (delta: -813.2MB). Peak memory consumption was 650.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 620161, independent: 602970, independent conditional: 602515, independent unconditional: 455, dependent: 17191, dependent conditional: 17039, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 603288, independent: 602970, independent conditional: 602515, independent unconditional: 455, dependent: 318, dependent conditional: 318, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 603288, independent: 602970, independent conditional: 602515, independent unconditional: 455, dependent: 318, dependent conditional: 318, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 603288, independent: 602970, independent conditional: 602515, independent unconditional: 455, dependent: 318, dependent conditional: 318, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 606137, independent: 602970, independent conditional: 10255, independent unconditional: 592715, dependent: 3167, dependent conditional: 2355, dependent unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 606137, independent: 602970, independent conditional: 4097, independent unconditional: 598873, dependent: 3167, dependent conditional: 889, dependent unconditional: 2278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 606137, independent: 602970, independent conditional: 4097, independent unconditional: 598873, dependent: 3167, dependent conditional: 889, dependent unconditional: 2278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1131, independent: 963, independent conditional: 85, independent unconditional: 878, dependent: 168, dependent conditional: 164, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1131, independent: 955, independent conditional: 0, independent unconditional: 955, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 176, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 168, dependent conditional: 164, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 168, dependent conditional: 164, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 372, dependent conditional: 332, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 606137, independent: 602007, independent conditional: 4012, independent unconditional: 597995, dependent: 2999, dependent conditional: 725, dependent unconditional: 2274, unknown: 1131, unknown conditional: 249, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 963, Positive conditional cache size: 85, Positive unconditional cache size: 878, Negative cache size: 168, Negative conditional cache size: 164, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7624, Maximal queried relation: 12, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 606137, independent: 602970, independent conditional: 10255, independent unconditional: 592715, dependent: 3167, dependent conditional: 2355, dependent unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 606137, independent: 602970, independent conditional: 4097, independent unconditional: 598873, dependent: 3167, dependent conditional: 889, dependent unconditional: 2278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 606137, independent: 602970, independent conditional: 4097, independent unconditional: 598873, dependent: 3167, dependent conditional: 889, dependent unconditional: 2278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1131, independent: 963, independent conditional: 85, independent unconditional: 878, dependent: 168, dependent conditional: 164, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1131, independent: 955, independent conditional: 0, independent unconditional: 955, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 176, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 168, dependent conditional: 164, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 168, dependent conditional: 164, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 384, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 372, dependent conditional: 332, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 606137, independent: 602007, independent conditional: 4012, independent unconditional: 597995, dependent: 2999, dependent conditional: 725, dependent unconditional: 2274, unknown: 1131, unknown conditional: 249, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 963, Positive conditional cache size: 85, Positive unconditional cache size: 878, Negative cache size: 168, Negative conditional cache size: 164, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7624 ], Independence queries for same thread: 16873 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 210 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 210 known predicates. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 210 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 792.3s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 667.3s, 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: 1959, 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: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 116.5s InterpolantComputationTime, 5428 NumberOfCodeBlocks, 5428 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 7445 ConstructedInterpolants, 0 QuantifiedInterpolants, 89445 SizeOfPredicates, 436 NumberOfNonLiveVariables, 5211 ConjunctsInSsa, 550 ConjunctsInUnsatCore, 37 InterpolantComputations, 4 PerfectInterpolantSequences, 4322/28000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown