/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 20:43:16,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 20:43:16,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 20:43:16,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 20:43:16,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 20:43:16,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 20:43:16,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 20:43:16,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 20:43:16,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 20:43:16,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 20:43:16,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 20:43:16,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 20:43:16,123 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 20:43:16,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 20:43:16,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 20:43:16,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 20:43:16,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 20:43:16,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 20:43:16,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 20:43:16,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 20:43:16,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 20:43:16,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 20:43:16,127 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 20:43:16,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 20:43:16,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 20:43:16,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 20:43:16,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 20:43:16,128 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 20:43:16,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 20:43:16,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 20:43:16,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 20:43:16,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 20:43:16,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 20:43:16,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 20:43:16,130 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 20:43:16,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 20:43:16,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 20:43:16,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 20:43:16,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 20:43:16,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 20:43:16,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 20:43:16,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 20:43:16,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 20:43:16,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 20:43:16,332 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 20:43:16,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-04-05 20:43:17,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 20:43:17,464 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 20:43:17,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-04-05 20:43:17,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16e138029/ceda1fc5121e4370b4e183546d465759/FLAG71d072c94 [2024-04-05 20:43:17,481 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16e138029/ceda1fc5121e4370b4e183546d465759 [2024-04-05 20:43:17,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 20:43:17,484 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 20:43:17,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 20:43:17,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 20:43:17,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 20:43:17,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bae4bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17, skipping insertion in model container [2024-04-05 20:43:17,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 20:43:17,616 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c[2507,2520] [2024-04-05 20:43:17,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 20:43:17,631 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 20:43:17,650 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c[2507,2520] [2024-04-05 20:43:17,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 20:43:17,656 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 20:43:17,656 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 20:43:17,661 INFO L206 MainTranslator]: Completed translation [2024-04-05 20:43:17,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17 WrapperNode [2024-04-05 20:43:17,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 20:43:17,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 20:43:17,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 20:43:17,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 20:43:17,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,692 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2024-04-05 20:43:17,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 20:43:17,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 20:43:17,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 20:43:17,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 20:43:17,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 20:43:17,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 20:43:17,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 20:43:17,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 20:43:17,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (1/1) ... [2024-04-05 20:43:17,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 20:43:17,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:43:17,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 20:43:17,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 20:43:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 20:43:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 20:43:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 20:43:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 20:43:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 20:43:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-05 20:43:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 20:43:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 20:43:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 20:43:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 20:43:17,791 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 20:43:17,882 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 20:43:17,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 20:43:18,030 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 20:43:18,064 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 20:43:18,064 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-05 20:43:18,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:43:18 BoogieIcfgContainer [2024-04-05 20:43:18,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 20:43:18,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 20:43:18,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 20:43:18,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 20:43:18,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 08:43:17" (1/3) ... [2024-04-05 20:43:18,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be6c874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:43:18, skipping insertion in model container [2024-04-05 20:43:18,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:43:17" (2/3) ... [2024-04-05 20:43:18,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be6c874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:43:18, skipping insertion in model container [2024-04-05 20:43:18,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:43:18" (3/3) ... [2024-04-05 20:43:18,072 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-04-05 20:43:18,077 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 20:43:18,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 20:43:18,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 20:43:18,085 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 20:43:18,131 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-05 20:43:18,160 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 20:43:18,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 20:43:18,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:43:18,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 20:43:18,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 20:43:18,196 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 20:43:18,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:43:18,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 20:43:18,211 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;@7b073dd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 20:43:18,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-05 20:43:22,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:43:22,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:43:22,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2111144235, now seen corresponding path program 1 times [2024-04-05 20:43:22,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:43:22,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019920482] [2024-04-05 20:43:22,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:43:22,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:43:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:43:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-05 20:43:22,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:43:22,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019920482] [2024-04-05 20:43:22,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019920482] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:43:22,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 20:43:22,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 20:43:22,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427125186] [2024-04-05 20:43:22,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:43:22,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 20:43:22,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:43:22,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 20:43:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 20:43:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:22,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:43:22,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:43:22,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:24,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 20:43:24,504 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:43:24,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:43:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash -763146039, now seen corresponding path program 1 times [2024-04-05 20:43:24,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:43:24,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831060877] [2024-04-05 20:43:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:43:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:43:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:43:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 20:43:24,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:43:24,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831060877] [2024-04-05 20:43:24,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831060877] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:43:24,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939874381] [2024-04-05 20:43:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:43:24,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:43:24,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:43:24,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 20:43:24,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 20:43:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:43:25,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 20:43:25,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:43:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:43:25,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:43:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-05 20:43:25,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939874381] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:43:25,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:43:25,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 8] total 27 [2024-04-05 20:43:25,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669875585] [2024-04-05 20:43:25,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:43:25,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-05 20:43:25,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:43:25,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-05 20:43:25,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2024-04-05 20:43:25,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:25,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:43:25,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.0) internal successors, (216), 27 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:43:25,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:25,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:28,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:43:28,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 20:43:28,437 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 [2024-04-05 20:43:28,437 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:43:28,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:43:28,438 INFO L85 PathProgramCache]: Analyzing trace with hash 423579114, now seen corresponding path program 2 times [2024-04-05 20:43:28,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:43:28,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003578395] [2024-04-05 20:43:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:43:28,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:43:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:43:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 131 proven. 87 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-04-05 20:43:28,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:43:28,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003578395] [2024-04-05 20:43:28,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003578395] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:43:28,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680475200] [2024-04-05 20:43:28,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:43:28,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:43:28,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:43:28,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 20:43:28,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 20:43:29,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:43:29,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:43:29,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 20:43:29,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:43:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 131 proven. 168 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 20:43:29,501 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:43:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 131 proven. 24 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-04-05 20:43:29,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680475200] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:43:29,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:43:29,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 8] total 31 [2024-04-05 20:43:29,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638197038] [2024-04-05 20:43:29,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:43:29,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-05 20:43:29,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:43:29,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-05 20:43:29,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=811, Unknown=0, NotChecked=0, Total=930 [2024-04-05 20:43:29,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:29,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:43:29,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.387096774193548) internal successors, (260), 31 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:43:29,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:29,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:43:29,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:43:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:43:32,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 20:43:32,628 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 [2024-04-05 20:43:32,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:43:32,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:43:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash 993185670, now seen corresponding path program 3 times [2024-04-05 20:43:32,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:43:32,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665019293] [2024-04-05 20:43:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:43:32,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:43:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:43:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 133 proven. 248 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-04-05 20:43:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:43:33,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665019293] [2024-04-05 20:43:33,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665019293] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:43:33,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211640955] [2024-04-05 20:43:33,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:43:33,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:43:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:43:33,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 20:43:33,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 20:43:33,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-05 20:43:33,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:43:33,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 20:43:33,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:43:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 109 proven. 460 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:43:33,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:43:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 139 proven. 150 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-04-05 20:43:34,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211640955] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:43:34,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:43:34,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 29, 10] total 41 [2024-04-05 20:43:34,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91190622] [2024-04-05 20:43:34,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:43:34,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-05 20:43:34,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:43:34,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-05 20:43:34,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1481, Unknown=0, NotChecked=0, Total=1640 [2024-04-05 20:43:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:34,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:43:34,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 8.121951219512194) internal successors, (333), 41 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:43:34,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:34,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:43:34,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:43:34,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:36,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:43:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:43:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 20:43:36,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 20:43:36,725 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 [2024-04-05 20:43:36,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:43:36,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:43:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash 961388981, now seen corresponding path program 4 times [2024-04-05 20:43:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:43:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094439959] [2024-04-05 20:43:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:43:36,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:43:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:43:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 61 proven. 128 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-04-05 20:43:37,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:43:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094439959] [2024-04-05 20:43:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094439959] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:43:37,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785003157] [2024-04-05 20:43:37,590 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 20:43:37,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:43:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:43:37,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 20:43:37,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 20:43:37,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 20:43:37,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:43:37,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 20:43:37,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:43:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 178 proven. 718 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 20:43:38,661 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:43:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 343 proven. 85 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-04-05 20:43:39,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785003157] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:43:39,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:43:39,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 37, 11] total 55 [2024-04-05 20:43:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980397122] [2024-04-05 20:43:39,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:43:39,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-05 20:43:39,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:43:39,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-05 20:43:39,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=2784, Unknown=0, NotChecked=0, Total=2970 [2024-04-05 20:43:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:39,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:43:39,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 7.363636363636363) internal successors, (405), 55 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:43:39,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:39,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:43:39,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:43:39,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 20:43:39,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 20:44:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 518 states. [2024-04-05 20:44:00,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 20:44:00,847 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 [2024-04-05 20:44:00,847 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:44:00,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:44:00,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1688691752, now seen corresponding path program 5 times [2024-04-05 20:44:00,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:44:00,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598677753] [2024-04-05 20:44:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:44:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:44:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:44:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 1 proven. 395 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-04-05 20:44:01,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:44:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598677753] [2024-04-05 20:44:01,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598677753] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:44:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449851378] [2024-04-05 20:44:01,915 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 20:44:01,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:44:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:44:01,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 20:44:01,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 20:44:02,065 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-04-05 20:44:02,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:44:02,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-05 20:44:02,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:44:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 176 proven. 255 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2024-04-05 20:44:02,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:44:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 126 proven. 331 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-04-05 20:44:03,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449851378] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:44:03,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:44:03,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 16] total 31 [2024-04-05 20:44:03,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224431712] [2024-04-05 20:44:03,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:44:03,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-05 20:44:03,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:44:03,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-05 20:44:03,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2024-04-05 20:44:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:03,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:44:03,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 12.419354838709678) internal successors, (385), 31 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:44:03,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:03,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:03,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:03,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 20:44:03,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 518 states. [2024-04-05 20:44:03,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 20:44:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 547 states. [2024-04-05 20:44:09,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:44:09,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 20:44:09,265 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 [2024-04-05 20:44:09,265 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:44:09,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:44:09,266 INFO L85 PathProgramCache]: Analyzing trace with hash -840168858, now seen corresponding path program 6 times [2024-04-05 20:44:09,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:44:09,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076791550] [2024-04-05 20:44:09,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:44:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:44:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:44:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 183 proven. 473 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-04-05 20:44:09,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:44:09,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076791550] [2024-04-05 20:44:09,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076791550] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:44:09,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519456025] [2024-04-05 20:44:09,935 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 20:44:09,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:44:09,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:44:09,936 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 20:44:09,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 20:44:10,097 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-04-05 20:44:10,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:44:10,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-05 20:44:10,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:44:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 169 proven. 1156 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:44:11,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:44:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 183 proven. 310 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-04-05 20:44:11,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519456025] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:44:11,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:44:11,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 45, 11] total 58 [2024-04-05 20:44:11,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967942962] [2024-04-05 20:44:11,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:44:11,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-05 20:44:11,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:44:11,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-05 20:44:11,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=3024, Unknown=0, NotChecked=0, Total=3306 [2024-04-05 20:44:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:11,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:44:11,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 7.120689655172414) internal successors, (413), 58 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 547 states. [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:44:11,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:44:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 569 states. [2024-04-05 20:44:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-05 20:44:17,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 20:44:17,613 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 [2024-04-05 20:44:17,613 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:44:17,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:44:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1271695896, now seen corresponding path program 7 times [2024-04-05 20:44:17,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:44:17,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610477527] [2024-04-05 20:44:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:44:17,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:44:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:44:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 458 proven. 707 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2024-04-05 20:44:18,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:44:18,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610477527] [2024-04-05 20:44:18,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610477527] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:44:18,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805159919] [2024-04-05 20:44:18,866 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 20:44:18,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:44:18,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:44:18,867 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) [2024-04-05 20:44:18,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 20:44:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:44:19,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 60 conjunts are in the unsatisfiable core [2024-04-05 20:44:19,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:44:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 45 proven. 2196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:44:20,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:44:21,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 497 proven. 462 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2024-04-05 20:44:21,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805159919] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:44:21,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:44:21,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 61, 17] total 80 [2024-04-05 20:44:21,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416054700] [2024-04-05 20:44:21,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:44:21,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-04-05 20:44:21,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:44:21,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-04-05 20:44:21,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=5973, Unknown=0, NotChecked=0, Total=6320 [2024-04-05 20:44:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:21,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:44:21,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.7375) internal successors, (539), 80 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 569 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-05 20:44:21,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:44:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:44:36,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 20:44:36,647 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 [2024-04-05 20:44:36,648 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:44:36,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:44:36,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1361623732, now seen corresponding path program 8 times [2024-04-05 20:44:36,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:44:36,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854635508] [2024-04-05 20:44:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:44:36,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:44:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:44:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2960 backedges. 0 proven. 1590 refuted. 0 times theorem prover too weak. 1370 trivial. 0 not checked. [2024-04-05 20:44:38,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:44:38,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854635508] [2024-04-05 20:44:38,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854635508] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:44:38,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941379121] [2024-04-05 20:44:38,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:44:38,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:44:38,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:44:38,572 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) [2024-04-05 20:44:38,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 20:44:38,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:44:38,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:44:38,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 149 conjunts are in the unsatisfiable core [2024-04-05 20:44:38,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:44:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2960 backedges. 0 proven. 1290 refuted. 0 times theorem prover too weak. 1670 trivial. 0 not checked. [2024-04-05 20:44:39,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:44:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2960 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 2130 trivial. 0 not checked. [2024-04-05 20:44:39,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941379121] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:44:39,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:44:39,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 9] total 23 [2024-04-05 20:44:39,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979398178] [2024-04-05 20:44:39,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:44:39,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 20:44:39,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:44:39,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 20:44:39,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-04-05 20:44:39,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:39,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:44:39,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 13.347826086956522) internal successors, (307), 23 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:44:39,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:44:39,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:44:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:44,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 20:44:44,268 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 [2024-04-05 20:44:44,268 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:44:44,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:44:44,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1285999146, now seen corresponding path program 9 times [2024-04-05 20:44:44,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:44:44,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041286337] [2024-04-05 20:44:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:44:44,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:44:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:44:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 735 proven. 486 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-04-05 20:44:45,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:44:45,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041286337] [2024-04-05 20:44:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041286337] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:44:45,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657632364] [2024-04-05 20:44:45,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:44:45,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:44:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:44:45,573 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) [2024-04-05 20:44:45,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 20:44:45,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-04-05 20:44:45,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:44:45,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-05 20:44:45,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:44:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 90 proven. 2541 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:44:47,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:44:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 787 proven. 200 refuted. 0 times theorem prover too weak. 1644 trivial. 0 not checked. [2024-04-05 20:44:48,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657632364] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:44:48,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:44:48,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 67, 17] total 93 [2024-04-05 20:44:48,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525134904] [2024-04-05 20:44:48,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:44:48,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-04-05 20:44:48,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:44:48,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-04-05 20:44:48,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=8104, Unknown=0, NotChecked=0, Total=8556 [2024-04-05 20:44:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:48,388 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:44:48,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 6.634408602150538) internal successors, (617), 93 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:44:48,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:44:48,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:44:48,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:44:48,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:44:48,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:44:48,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:48,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:44:48,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:44:48,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:44:48,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:45:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-05 20:45:03,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 20:45:03,705 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 [2024-04-05 20:45:03,706 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:45:03,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:45:03,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1126855852, now seen corresponding path program 10 times [2024-04-05 20:45:03,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:45:03,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761632035] [2024-04-05 20:45:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:45:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:45:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:45:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 22 proven. 1329 refuted. 0 times theorem prover too weak. 1781 trivial. 0 not checked. [2024-04-05 20:45:05,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:45:05,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761632035] [2024-04-05 20:45:05,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761632035] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:45:05,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296512374] [2024-04-05 20:45:05,541 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 20:45:05,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:45:05,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:45:05,542 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) [2024-04-05 20:45:05,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 20:45:05,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 20:45:05,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:45:05,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 117 conjunts are in the unsatisfiable core [2024-04-05 20:45:05,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:45:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 175 proven. 1143 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-04-05 20:45:06,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:45:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 98 proven. 1225 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2024-04-05 20:45:08,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296512374] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:45:08,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:45:08,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 21] total 48 [2024-04-05 20:45:08,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546559305] [2024-04-05 20:45:08,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:45:08,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-05 20:45:08,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:45:08,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-05 20:45:08,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1909, Unknown=0, NotChecked=0, Total=2256 [2024-04-05 20:45:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:08,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:45:08,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.541666666666666) internal successors, (506), 48 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-05 20:45:08,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:45:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-05 20:45:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 20:45:16,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-05 20:45:17,048 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 [2024-04-05 20:45:17,049 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:45:17,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:45:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1608102616, now seen corresponding path program 11 times [2024-04-05 20:45:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:45:17,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725986857] [2024-04-05 20:45:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:45:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:45:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:45:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 1042 proven. 706 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2024-04-05 20:45:18,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:45:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725986857] [2024-04-05 20:45:18,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725986857] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:45:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971174391] [2024-04-05 20:45:18,829 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 20:45:18,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:45:18,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:45:18,838 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) [2024-04-05 20:45:18,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 20:45:19,017 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-04-05 20:45:19,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:45:19,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 76 conjunts are in the unsatisfiable core [2024-04-05 20:45:19,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:45:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 150 proven. 3255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:45:21,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:45:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 1108 proven. 387 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2024-04-05 20:45:22,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971174391] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:45:22,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:45:22,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 77, 23] total 102 [2024-04-05 20:45:22,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924733328] [2024-04-05 20:45:22,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:45:22,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-04-05 20:45:22,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:45:22,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-04-05 20:45:22,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=9862, Unknown=0, NotChecked=0, Total=10302 [2024-04-05 20:45:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:22,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:45:22,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.107843137254902) internal successors, (623), 102 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:45:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:45:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:45:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:45:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 20:45:22,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 20:45:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2024-04-05 20:45:47,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 20:45:48,071 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 [2024-04-05 20:45:48,072 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 20:45:48,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:45:48,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2030007950, now seen corresponding path program 12 times [2024-04-05 20:45:48,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:45:48,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567091433] [2024-04-05 20:45:48,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:45:48,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:45:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:45:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3880 backedges. 38 proven. 1785 refuted. 0 times theorem prover too weak. 2057 trivial. 0 not checked. [2024-04-05 20:45:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:45:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567091433] [2024-04-05 20:45:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567091433] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:45:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523163022] [2024-04-05 20:45:50,304 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 20:45:50,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:45:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:45:50,305 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) [2024-04-05 20:45:50,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 20:45:50,539 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-04-05 20:45:50,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:45:50,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 169 conjunts are in the unsatisfiable core [2024-04-05 20:45:50,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:45:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3880 backedges. 0 proven. 1602 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2024-04-05 20:45:51,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:45:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3880 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 2280 trivial. 0 not checked. [2024-04-05 20:45:52,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523163022] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:45:52,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:45:52,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 12] total 36 [2024-04-05 20:45:52,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146511167] [2024-04-05 20:45:52,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:45:52,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-05 20:45:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:45:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-05 20:45:52,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1075, Unknown=0, NotChecked=0, Total=1260 [2024-04-05 20:45:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:52,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:45:52,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.416666666666666) internal successors, (483), 36 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 608 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2024-04-05 20:45:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.