/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-05 00:11:49,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-05 00:11:49,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-05 00:11:49,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-05 00:11:49,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-05 00:11:49,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-05 00:11:49,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-05 00:11:49,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-05 00:11:49,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-05 00:11:49,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-05 00:11:49,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-05 00:11:49,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-05 00:11:49,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-05 00:11:49,712 INFO L153 SettingsManager]: * Use SBE=true [2023-09-05 00:11:49,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-05 00:11:49,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-05 00:11:49,713 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-05 00:11:49,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-05 00:11:49,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-05 00:11:49,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-05 00:11:49,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-05 00:11:49,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-05 00:11:49,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-05 00:11:49,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-05 00:11:49,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-05 00:11:49,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-05 00:11:49,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-05 00:11:49,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-05 00:11:49,717 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-05 00:11:49,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-05 00:11:49,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:11:49,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-05 00:11:49,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-05 00:11:49,718 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-05 00:11:49,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-05 00:11:49,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-05 00:11:49,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-05 00:11:49,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-05 00:11:49,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-05 00:11:49,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-05 00:11:49,719 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-05 00:11:49,719 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-05 00:11:49,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-05 00:11:49,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-05 00:11:49,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-05 00:11:49,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-05 00:11:49,988 INFO L274 PluginConnector]: CDTParser initialized [2023-09-05 00:11:49,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-09-05 00:11:51,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-05 00:11:51,390 INFO L384 CDTParser]: Found 1 translation units. [2023-09-05 00:11:51,390 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-09-05 00:11:51,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e80f224/63ee77ec1631469bb016aed805fb65d3/FLAG0a34703f2 [2023-09-05 00:11:51,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e80f224/63ee77ec1631469bb016aed805fb65d3 [2023-09-05 00:11:51,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-05 00:11:51,409 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-05 00:11:51,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-05 00:11:51,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-05 00:11:51,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-05 00:11:51,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34649168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51, skipping insertion in model container [2023-09-05 00:11:51,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,440 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-05 00:11:51,577 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/unroll-cond-4.wvr.c[2808,2821] [2023-09-05 00:11:51,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:11:51,588 INFO L201 MainTranslator]: Completed pre-run [2023-09-05 00:11:51,608 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/unroll-cond-4.wvr.c[2808,2821] [2023-09-05 00:11:51,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:11:51,623 INFO L206 MainTranslator]: Completed translation [2023-09-05 00:11:51,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51 WrapperNode [2023-09-05 00:11:51,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-05 00:11:51,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-05 00:11:51,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-05 00:11:51,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-05 00:11:51,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,662 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 187 [2023-09-05 00:11:51,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-05 00:11:51,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-05 00:11:51,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-05 00:11:51,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-05 00:11:51,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-05 00:11:51,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-05 00:11:51,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-05 00:11:51,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-05 00:11:51,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (1/1) ... [2023-09-05 00:11:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:11:51,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:11:51,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-05 00:11:51,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-05 00:11:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-05 00:11:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-05 00:11:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-05 00:11:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-05 00:11:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-05 00:11:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-05 00:11:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-05 00:11:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-05 00:11:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-05 00:11:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-05 00:11:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-05 00:11:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-05 00:11:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-05 00:11:51,766 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-05 00:11:51,884 INFO L236 CfgBuilder]: Building ICFG [2023-09-05 00:11:51,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-05 00:11:52,228 INFO L277 CfgBuilder]: Performing block encoding [2023-09-05 00:11:52,236 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-05 00:11:52,236 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-05 00:11:52,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:11:52 BoogieIcfgContainer [2023-09-05 00:11:52,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-05 00:11:52,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-05 00:11:52,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-05 00:11:52,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-05 00:11:52,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:11:51" (1/3) ... [2023-09-05 00:11:52,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595dfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:11:52, skipping insertion in model container [2023-09-05 00:11:52,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:11:51" (2/3) ... [2023-09-05 00:11:52,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595dfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:11:52, skipping insertion in model container [2023-09-05 00:11:52,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:11:52" (3/3) ... [2023-09-05 00:11:52,245 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-09-05 00:11:52,252 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-05 00:11:52,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-05 00:11:52,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-05 00:11:52,261 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-05 00:11:52,373 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-05 00:11:52,415 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:11:52,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-05 00:11:52,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:11:52,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-05 00:11:52,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-05 00:11:52,455 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-05 00:11:52,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-05 00:11:52,467 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=LoopsAndPotentialCycles, 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;@5cf8996d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:11:52,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-05 00:11:53,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:11:53,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:11:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1109422877, now seen corresponding path program 1 times [2023-09-05 00:11:53,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:11:53,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751802749] [2023-09-05 00:11:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:11:53,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:11:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:11:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:11:53,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:11:53,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751802749] [2023-09-05 00:11:53,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751802749] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:11:53,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:11:53,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-05 00:11:53,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804933944] [2023-09-05 00:11:53,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:11:53,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-05 00:11:53,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:11:53,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-05 00:11:53,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-05 00:11:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:53,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:11:53,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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) [2023-09-05 00:11:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:11:54,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:54,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-05 00:11:54,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:11:54,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:11:54,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2039633041, now seen corresponding path program 1 times [2023-09-05 00:11:54,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:11:54,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487850617] [2023-09-05 00:11:54,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:11:54,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:11:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:11:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:11:55,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:11:55,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487850617] [2023-09-05 00:11:55,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487850617] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:11:55,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:11:55,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-05 00:11:55,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544316904] [2023-09-05 00:11:55,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:11:55,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-05 00:11:55,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:11:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-05 00:11:55,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-09-05 00:11:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:55,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:11:55,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 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) [2023-09-05 00:11:55,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:55,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:11:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:11:56,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-05 00:11:56,647 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:11:56,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:11:56,648 INFO L85 PathProgramCache]: Analyzing trace with hash -394116039, now seen corresponding path program 1 times [2023-09-05 00:11:56,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:11:56,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408853187] [2023-09-05 00:11:56,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:11:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:11:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:11:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:11:57,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:11:57,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408853187] [2023-09-05 00:11:57,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408853187] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:11:57,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92120925] [2023-09-05 00:11:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:11:57,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:11:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:11:57,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:11:57,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-05 00:11:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:11:57,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 33 conjunts are in the unsatisfiable core [2023-09-05 00:11:57,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:11:58,067 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:11:58,067 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2023-09-05 00:11:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:11:58,165 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:11:58,726 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:11:58,726 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2023-09-05 00:11:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:11:59,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92120925] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:11:59,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:11:59,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 18] total 38 [2023-09-05 00:11:59,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047051201] [2023-09-05 00:11:59,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:11:59,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-09-05 00:11:59,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:11:59,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-09-05 00:11:59,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2023-09-05 00:11:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:59,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:11:59,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 9.526315789473685) internal successors, (362), 38 states have internal predecessors, (362), 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) [2023-09-05 00:11:59,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:11:59,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:11:59,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:12:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:02,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-05 00:12:02,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-05 00:12:02,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:12:02,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:12:02,482 INFO L85 PathProgramCache]: Analyzing trace with hash 851101927, now seen corresponding path program 2 times [2023-09-05 00:12:02,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:12:02,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987273164] [2023-09-05 00:12:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:12:02,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:12:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:12:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:12:03,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:12:03,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987273164] [2023-09-05 00:12:03,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987273164] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:12:03,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269175669] [2023-09-05 00:12:03,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:12:03,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:03,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:12:03,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:12:03,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-05 00:12:03,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:12:03,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:12:03,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-05 00:12:03,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:12:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:12:03,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:12:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:12:03,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269175669] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:12:03,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:12:03,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2023-09-05 00:12:03,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17783890] [2023-09-05 00:12:03,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:12:03,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-09-05 00:12:03,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:12:03,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-09-05 00:12:03,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2023-09-05 00:12:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:03,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:12:03,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.869565217391305) internal successors, (204), 23 states have internal predecessors, (204), 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) [2023-09-05 00:12:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:12:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:12:06,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-05 00:12:06,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:06,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:12:06,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:12:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 779546033, now seen corresponding path program 3 times [2023-09-05 00:12:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:12:06,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117157113] [2023-09-05 00:12:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:12:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:12:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:12:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:12:16,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:12:16,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117157113] [2023-09-05 00:12:16,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117157113] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:12:16,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982666739] [2023-09-05 00:12:16,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:12:16,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:12:16,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:12:16,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-05 00:12:16,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-05 00:12:16,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:12:16,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-05 00:12:16,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:12:18,351 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-05 00:12:18,351 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 41 [2023-09-05 00:12:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-05 00:12:18,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:12:19,144 INFO L322 Elim1Store]: treesize reduction 15, result has 90.2 percent of original size [2023-09-05 00:12:19,144 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 173 [2023-09-05 00:12:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:12:19,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982666739] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:12:19,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:12:19,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 27, 17] total 76 [2023-09-05 00:12:19,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856387490] [2023-09-05 00:12:19,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:12:19,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-09-05 00:12:19,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:12:19,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-09-05 00:12:19,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=5379, Unknown=0, NotChecked=0, Total=5700 [2023-09-05 00:12:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:19,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:12:19,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.105263157894737) internal successors, (464), 76 states have internal predecessors, (464), 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) [2023-09-05 00:12:19,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:19,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:19,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:19,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:12:19,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:12:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:12:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-05 00:12:26,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-05 00:12:26,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:26,695 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:12:26,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:12:26,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1677281887, now seen corresponding path program 4 times [2023-09-05 00:12:26,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:12:26,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547372979] [2023-09-05 00:12:26,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:12:26,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:12:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:12:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 2 proven. 74 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:12:27,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:12:27,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547372979] [2023-09-05 00:12:27,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547372979] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:12:27,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278805938] [2023-09-05 00:12:27,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-05 00:12:27,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:27,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:12:27,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:12:27,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-05 00:12:27,481 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-05 00:12:27,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:12:27,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 19 conjunts are in the unsatisfiable core [2023-09-05 00:12:27,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:12:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:12:27,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:12:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 40 proven. 36 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:12:28,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278805938] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:12:28,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:12:28,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 30 [2023-09-05 00:12:28,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906582144] [2023-09-05 00:12:28,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:12:28,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-09-05 00:12:28,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:12:28,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-09-05 00:12:28,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2023-09-05 00:12:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:28,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:12:28,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.3) internal successors, (279), 30 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:12:28,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:28,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:28,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:28,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:12:28,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-05 00:12:28,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:12:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:12:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-05 00:12:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-05 00:12:32,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-05 00:12:32,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:32,847 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:12:32,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:12:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash -136434181, now seen corresponding path program 1 times [2023-09-05 00:12:32,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:12:32,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316858595] [2023-09-05 00:12:32,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:12:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:12:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:12:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:12:33,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:12:33,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316858595] [2023-09-05 00:12:33,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316858595] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:12:33,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818309139] [2023-09-05 00:12:33,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:12:33,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:12:33,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:12:33,904 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:12:33,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-05 00:12:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:12:34,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 65 conjunts are in the unsatisfiable core [2023-09-05 00:12:34,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:12:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-05 00:12:35,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:12:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:12:37,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818309139] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:12:37,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:12:37,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 34, 26] total 69 [2023-09-05 00:12:37,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437593755] [2023-09-05 00:12:37,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:12:37,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-09-05 00:12:37,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:12:37,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-09-05 00:12:37,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=4357, Unknown=0, NotChecked=0, Total=4692 [2023-09-05 00:12:37,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:37,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:12:37,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.36231884057971) internal successors, (439), 69 states have internal predecessors, (439), 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) [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-09-05 00:12:37,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:13:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:13:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:13:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-05 00:13:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-05 00:13:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-05 00:13:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-09-05 00:13:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:13:08,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-05 00:13:08,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:13:08,986 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:13:08,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:13:08,986 INFO L85 PathProgramCache]: Analyzing trace with hash 983390557, now seen corresponding path program 2 times [2023-09-05 00:13:08,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:13:08,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005105027] [2023-09-05 00:13:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:13:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:13:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-09-05 00:15:37,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,770 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:15:37,770 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:15:37,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,898 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,923 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,950 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,964 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,976 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:37,990 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,002 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,028 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,049 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,067 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,076 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,085 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,094 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,103 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,112 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,123 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,136 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,150 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,155 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,161 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,166 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,171 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,177 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,182 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,187 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,192 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,203 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,207 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,212 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,221 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,222 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,224 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,242 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,242 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,242 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,242 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-05 00:15:38,250 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-05 00:15:38,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-05 00:15:38,250 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. [2023-09-05 00:15:38,251 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-05 00:15:38,251 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-05 00:15:38,267 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2023-09-05 00:15:38,269 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-05 00:15:38,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-05 00:15:38,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:15:38 BasicIcfg [2023-09-05 00:15:38,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-05 00:15:38,271 INFO L158 Benchmark]: Toolchain (without parser) took 226862.21ms. Allocated memory was 241.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 199.7MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.6GB. Max. memory is 7.0GB. [2023-09-05 00:15:38,271 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-05 00:15:38,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.18ms. Allocated memory is still 241.2MB. Free memory was 199.2MB in the beginning and 187.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-05 00:15:38,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 241.2MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-05 00:15:38,271 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 241.2MB. Free memory was 185.5MB in the beginning and 183.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-05 00:15:38,272 INFO L158 Benchmark]: RCFGBuilder took 548.66ms. Allocated memory is still 241.2MB. Free memory was 183.4MB in the beginning and 164.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. [2023-09-05 00:15:38,272 INFO L158 Benchmark]: TraceAbstraction took 226030.51ms. Allocated memory was 241.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 163.0MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.6GB. Max. memory is 7.0GB. [2023-09-05 00:15:38,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 214.18ms. Allocated memory is still 241.2MB. Free memory was 199.2MB in the beginning and 187.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 241.2MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 241.2MB. Free memory was 185.5MB in the beginning and 183.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 548.66ms. Allocated memory is still 241.2MB. Free memory was 183.4MB in the beginning and 164.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. * TraceAbstraction took 226030.51ms. Allocated memory was 241.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 163.0MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.6GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14615, independent: 13335, independent conditional: 13335, independent unconditional: 0, dependent: 1280, dependent conditional: 1280, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 13335, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 13335, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13335, independent: 13335, independent conditional: 0, independent unconditional: 13335, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13335, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 13335, unknown conditional: 0, unknown unconditional: 13335] , Statistics on independence cache: Total cache size (in pairs): 13335, Positive cache size: 13335, Positive conditional cache size: 0, Positive unconditional cache size: 13335, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1280 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 20 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 288 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 286 interpolants. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 314 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 225.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 52.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 233, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 21.7s InterpolantComputationTime, 2129 NumberOfCodeBlocks, 2129 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3051 ConstructedInterpolants, 39 QuantifiedInterpolants, 27262 SizeOfPredicates, 109 NumberOfNonLiveVariables, 1819 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 581/1297 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown