/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-29 23:16:58,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 23:16:58,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-29 23:16:58,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 23:16:58,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 23:16:58,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 23:16:58,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 23:16:58,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 23:16:58,691 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 23:16:58,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 23:16:58,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 23:16:58,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 23:16:58,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 23:16:58,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 23:16:58,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 23:16:58,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 23:16:58,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 23:16:58,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 23:16:58,696 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 23:16:58,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 23:16:58,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 23:16:58,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 23:16:58,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 23:16:58,697 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-29 23:16:58,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 23:16:58,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 23:16:58,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 23:16:58,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 23:16:58,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 23:16:58,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 23:16:58,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 23:16:58,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 23:16:58,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 23:16:58,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-11-29 23:16:58,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 23:16:58,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 23:16:58,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 23:16:58,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 23:16:58,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 23:16:58,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-11-29 23:16:59,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 23:16:59,885 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 23:16:59,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-11-29 23:16:59,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74fcc0cde/e973347d294b43eaa24375a4bf5d1c3a/FLAG94433b9c2 [2023-11-29 23:16:59,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74fcc0cde/e973347d294b43eaa24375a4bf5d1c3a [2023-11-29 23:16:59,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 23:16:59,911 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-29 23:16:59,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 23:16:59,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 23:16:59,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 23:16:59,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:16:59" (1/1) ... [2023-11-29 23:16:59,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c449f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:16:59, skipping insertion in model container [2023-11-29 23:16:59,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:16:59" (1/1) ... [2023-11-29 23:16:59,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 23:17:00,025 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2023-11-29 23:17:00,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 23:17:00,036 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 23:17:00,050 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2023-11-29 23:17:00,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 23:17:00,056 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 23:17:00,056 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 23:17:00,062 INFO L206 MainTranslator]: Completed translation [2023-11-29 23:17:00,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00 WrapperNode [2023-11-29 23:17:00,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 23:17:00,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 23:17:00,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 23:17:00,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 23:17:00,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,088 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 156 [2023-11-29 23:17:00,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 23:17:00,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 23:17:00,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 23:17:00,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 23:17:00,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 23:17:00,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 23:17:00,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 23:17:00,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 23:17:00,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (1/1) ... [2023-11-29 23:17:00,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 23:17:00,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 23:17:00,145 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) [2023-11-29 23:17:00,146 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 [2023-11-29 23:17:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 23:17:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 23:17:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 23:17:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 23:17:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 23:17:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 23:17:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 23:17:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 23:17:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 23:17:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 23:17:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 23:17:00,165 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 23:17:00,262 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 23:17:00,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 23:17:00,499 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 23:17:00,528 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 23:17:00,528 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 23:17:00,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:17:00 BoogieIcfgContainer [2023-11-29 23:17:00,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 23:17:00,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 23:17:00,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 23:17:00,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 23:17:00,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:16:59" (1/3) ... [2023-11-29 23:17:00,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f706251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:17:00, skipping insertion in model container [2023-11-29 23:17:00,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:00" (2/3) ... [2023-11-29 23:17:00,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f706251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:17:00, skipping insertion in model container [2023-11-29 23:17:00,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:17:00" (3/3) ... [2023-11-29 23:17:00,538 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2023-11-29 23:17:00,550 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 23:17:00,551 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 23:17:00,551 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 23:17:00,606 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 23:17:00,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 227 places, 237 transitions, 495 flow [2023-11-29 23:17:00,727 INFO L124 PetriNetUnfolderBase]: 20/234 cut-off events. [2023-11-29 23:17:00,728 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 23:17:00,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 234 events. 20/234 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 173 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 191. Up to 2 conditions per place. [2023-11-29 23:17:00,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 227 places, 237 transitions, 495 flow [2023-11-29 23:17:00,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 223 transitions, 464 flow [2023-11-29 23:17:00,751 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 23:17:00,755 INFO L362 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ffffd72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 23:17:00,755 INFO L363 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 23:17:00,799 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 23:17:00,799 INFO L124 PetriNetUnfolderBase]: 20/222 cut-off events. [2023-11-29 23:17:00,800 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 23:17:00,800 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:00,800 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:00,801 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:00,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:00,806 INFO L85 PathProgramCache]: Analyzing trace with hash 761185363, now seen corresponding path program 1 times [2023-11-29 23:17:00,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:00,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595904892] [2023-11-29 23:17:00,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:00,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 23:17:01,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:01,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595904892] [2023-11-29 23:17:01,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595904892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 23:17:01,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 23:17:01,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 23:17:01,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867917628] [2023-11-29 23:17:01,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 23:17:01,732 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 23:17:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:01,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 23:17:01,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 23:17:01,764 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 237 [2023-11-29 23:17:01,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 223 transitions, 464 flow. Second operand has 7 states, 7 states have (on average 168.28571428571428) internal successors, (1178), 7 states have internal predecessors, (1178), 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) [2023-11-29 23:17:01,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:01,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 237 [2023-11-29 23:17:01,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:01,996 INFO L124 PetriNetUnfolderBase]: 74/488 cut-off events. [2023-11-29 23:17:01,996 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-29 23:17:02,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 488 events. 74/488 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1605 event pairs, 7 based on Foata normal form. 71/517 useless extension candidates. Maximal degree in co-relation 366. Up to 72 conditions per place. [2023-11-29 23:17:02,004 INFO L140 encePairwiseOnDemand]: 209/237 looper letters, 68 selfloop transitions, 6 changer transitions 13/235 dead transitions. [2023-11-29 23:17:02,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 235 transitions, 686 flow [2023-11-29 23:17:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 23:17:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 23:17:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1719 transitions. [2023-11-29 23:17:02,020 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7253164556962025 [2023-11-29 23:17:02,021 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1719 transitions. [2023-11-29 23:17:02,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1719 transitions. [2023-11-29 23:17:02,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:02,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1719 transitions. [2023-11-29 23:17:02,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 171.9) internal successors, (1719), 10 states have internal predecessors, (1719), 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) [2023-11-29 23:17:02,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 237.0) internal successors, (2607), 11 states have internal predecessors, (2607), 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) [2023-11-29 23:17:02,039 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 237.0) internal successors, (2607), 11 states have internal predecessors, (2607), 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) [2023-11-29 23:17:02,042 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 9 predicate places. [2023-11-29 23:17:02,042 INFO L500 AbstractCegarLoop]: Abstraction has has 222 places, 235 transitions, 686 flow [2023-11-29 23:17:02,043 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 168.28571428571428) internal successors, (1178), 7 states have internal predecessors, (1178), 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) [2023-11-29 23:17:02,043 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:02,043 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:02,044 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 23:17:02,044 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:02,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1448541019, now seen corresponding path program 1 times [2023-11-29 23:17:02,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:02,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157467983] [2023-11-29 23:17:02,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:02,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 23:17:02,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:02,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157467983] [2023-11-29 23:17:02,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157467983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 23:17:02,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 23:17:02,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 23:17:02,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952913151] [2023-11-29 23:17:02,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 23:17:02,237 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 23:17:02,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:02,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 23:17:02,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 23:17:02,241 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 237 [2023-11-29 23:17:02,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 235 transitions, 686 flow. Second operand has 7 states, 7 states have (on average 165.14285714285714) internal successors, (1156), 7 states have internal predecessors, (1156), 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) [2023-11-29 23:17:02,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:02,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 237 [2023-11-29 23:17:02,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:02,720 INFO L124 PetriNetUnfolderBase]: 1064/2641 cut-off events. [2023-11-29 23:17:02,720 INFO L125 PetriNetUnfolderBase]: For 1096/1122 co-relation queries the response was YES. [2023-11-29 23:17:02,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5033 conditions, 2641 events. 1064/2641 cut-off events. For 1096/1122 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16768 event pairs, 469 based on Foata normal form. 0/2111 useless extension candidates. Maximal degree in co-relation 3022. Up to 1090 conditions per place. [2023-11-29 23:17:02,739 INFO L140 encePairwiseOnDemand]: 209/237 looper letters, 119 selfloop transitions, 41 changer transitions 18/324 dead transitions. [2023-11-29 23:17:02,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 324 transitions, 1287 flow [2023-11-29 23:17:02,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 23:17:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 23:17:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1726 transitions. [2023-11-29 23:17:02,743 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7282700421940929 [2023-11-29 23:17:02,743 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1726 transitions. [2023-11-29 23:17:02,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1726 transitions. [2023-11-29 23:17:02,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:02,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1726 transitions. [2023-11-29 23:17:02,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.6) internal successors, (1726), 10 states have internal predecessors, (1726), 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) [2023-11-29 23:17:02,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 237.0) internal successors, (2607), 11 states have internal predecessors, (2607), 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) [2023-11-29 23:17:02,750 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 237.0) internal successors, (2607), 11 states have internal predecessors, (2607), 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) [2023-11-29 23:17:02,751 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 18 predicate places. [2023-11-29 23:17:02,751 INFO L500 AbstractCegarLoop]: Abstraction has has 231 places, 324 transitions, 1287 flow [2023-11-29 23:17:02,752 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 165.14285714285714) internal successors, (1156), 7 states have internal predecessors, (1156), 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) [2023-11-29 23:17:02,752 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:02,752 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:02,752 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 23:17:02,752 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:02,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:02,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1414058567, now seen corresponding path program 1 times [2023-11-29 23:17:02,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:02,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925724678] [2023-11-29 23:17:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:02,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 23:17:02,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:02,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925724678] [2023-11-29 23:17:02,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925724678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 23:17:02,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 23:17:02,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 23:17:02,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498082898] [2023-11-29 23:17:02,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 23:17:02,888 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 23:17:02,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:02,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 23:17:02,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 23:17:02,896 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 237 [2023-11-29 23:17:02,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 324 transitions, 1287 flow. Second operand has 7 states, 7 states have (on average 163.28571428571428) internal successors, (1143), 7 states have internal predecessors, (1143), 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) [2023-11-29 23:17:02,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:02,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 237 [2023-11-29 23:17:02,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:03,408 INFO L124 PetriNetUnfolderBase]: 1592/3384 cut-off events. [2023-11-29 23:17:03,408 INFO L125 PetriNetUnfolderBase]: For 2584/2919 co-relation queries the response was YES. [2023-11-29 23:17:03,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8407 conditions, 3384 events. 1592/3384 cut-off events. For 2584/2919 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 21702 event pairs, 738 based on Foata normal form. 4/2593 useless extension candidates. Maximal degree in co-relation 6662. Up to 1738 conditions per place. [2023-11-29 23:17:03,425 INFO L140 encePairwiseOnDemand]: 208/237 looper letters, 70 selfloop transitions, 20 changer transitions 90/324 dead transitions. [2023-11-29 23:17:03,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 324 transitions, 1592 flow [2023-11-29 23:17:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 23:17:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 23:17:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1707 transitions. [2023-11-29 23:17:03,429 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.720253164556962 [2023-11-29 23:17:03,429 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1707 transitions. [2023-11-29 23:17:03,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1707 transitions. [2023-11-29 23:17:03,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:03,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1707 transitions. [2023-11-29 23:17:03,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 170.7) internal successors, (1707), 10 states have internal predecessors, (1707), 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) [2023-11-29 23:17:03,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 237.0) internal successors, (2607), 11 states have internal predecessors, (2607), 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) [2023-11-29 23:17:03,435 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 237.0) internal successors, (2607), 11 states have internal predecessors, (2607), 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) [2023-11-29 23:17:03,436 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 27 predicate places. [2023-11-29 23:17:03,436 INFO L500 AbstractCegarLoop]: Abstraction has has 240 places, 324 transitions, 1592 flow [2023-11-29 23:17:03,437 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 163.28571428571428) internal successors, (1143), 7 states have internal predecessors, (1143), 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) [2023-11-29 23:17:03,437 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:03,437 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:03,437 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 23:17:03,437 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:03,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:03,438 INFO L85 PathProgramCache]: Analyzing trace with hash 424920784, now seen corresponding path program 1 times [2023-11-29 23:17:03,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:03,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875720289] [2023-11-29 23:17:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:03,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:03,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875720289] [2023-11-29 23:17:03,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875720289] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 23:17:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546767888] [2023-11-29 23:17:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:03,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:03,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 23:17:03,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 23:17:03,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 23:17:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:03,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 23:17:03,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 23:17:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:04,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 23:17:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:04,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546767888] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 23:17:04,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 23:17:04,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-11-29 23:17:04,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587374755] [2023-11-29 23:17:04,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 23:17:04,203 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 23:17:04,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:04,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 23:17:04,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 23:17:04,205 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 237 [2023-11-29 23:17:04,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 324 transitions, 1592 flow. Second operand has 7 states, 7 states have (on average 166.57142857142858) internal successors, (1166), 7 states have internal predecessors, (1166), 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) [2023-11-29 23:17:04,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:04,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 237 [2023-11-29 23:17:04,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:04,958 INFO L124 PetriNetUnfolderBase]: 2701/5868 cut-off events. [2023-11-29 23:17:04,958 INFO L125 PetriNetUnfolderBase]: For 9539/10706 co-relation queries the response was YES. [2023-11-29 23:17:05,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17529 conditions, 5868 events. 2701/5868 cut-off events. For 9539/10706 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 43182 event pairs, 1009 based on Foata normal form. 35/4698 useless extension candidates. Maximal degree in co-relation 13411. Up to 2676 conditions per place. [2023-11-29 23:17:05,045 INFO L140 encePairwiseOnDemand]: 212/237 looper letters, 94 selfloop transitions, 7 changer transitions 155/402 dead transitions. [2023-11-29 23:17:05,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 402 transitions, 2659 flow [2023-11-29 23:17:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 23:17:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-29 23:17:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1386 transitions. [2023-11-29 23:17:05,048 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7310126582278481 [2023-11-29 23:17:05,048 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1386 transitions. [2023-11-29 23:17:05,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1386 transitions. [2023-11-29 23:17:05,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:05,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1386 transitions. [2023-11-29 23:17:05,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 173.25) internal successors, (1386), 8 states have internal predecessors, (1386), 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) [2023-11-29 23:17:05,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 237.0) internal successors, (2133), 9 states have internal predecessors, (2133), 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) [2023-11-29 23:17:05,054 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 237.0) internal successors, (2133), 9 states have internal predecessors, (2133), 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) [2023-11-29 23:17:05,055 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 34 predicate places. [2023-11-29 23:17:05,055 INFO L500 AbstractCegarLoop]: Abstraction has has 247 places, 402 transitions, 2659 flow [2023-11-29 23:17:05,055 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 166.57142857142858) internal successors, (1166), 7 states have internal predecessors, (1166), 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) [2023-11-29 23:17:05,056 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:05,056 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:05,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 23:17:05,260 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:05,261 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:05,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:05,262 INFO L85 PathProgramCache]: Analyzing trace with hash 490979628, now seen corresponding path program 1 times [2023-11-29 23:17:05,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:05,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007041262] [2023-11-29 23:17:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 23:17:05,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:05,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007041262] [2023-11-29 23:17:05,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007041262] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 23:17:05,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973741141] [2023-11-29 23:17:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:05,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:05,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 23:17:05,405 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) [2023-11-29 23:17:05,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 23:17:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:05,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 23:17:05,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 23:17:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 23:17:05,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 23:17:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 23:17:05,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973741141] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 23:17:05,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 23:17:05,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2023-11-29 23:17:05,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720407721] [2023-11-29 23:17:05,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 23:17:05,811 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 23:17:05,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:05,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 23:17:05,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 23:17:05,812 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 237 [2023-11-29 23:17:05,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 402 transitions, 2659 flow. Second operand has 14 states, 14 states have (on average 161.85714285714286) internal successors, (2266), 14 states have internal predecessors, (2266), 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) [2023-11-29 23:17:05,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:05,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 237 [2023-11-29 23:17:05,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:06,661 INFO L124 PetriNetUnfolderBase]: 2188/5047 cut-off events. [2023-11-29 23:17:06,662 INFO L125 PetriNetUnfolderBase]: For 10804/12162 co-relation queries the response was YES. [2023-11-29 23:17:06,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16982 conditions, 5047 events. 2188/5047 cut-off events. For 10804/12162 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 36845 event pairs, 680 based on Foata normal form. 54/4320 useless extension candidates. Maximal degree in co-relation 12677. Up to 2224 conditions per place. [2023-11-29 23:17:06,695 INFO L140 encePairwiseOnDemand]: 209/237 looper letters, 113 selfloop transitions, 24 changer transitions 143/418 dead transitions. [2023-11-29 23:17:06,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 418 transitions, 3317 flow [2023-11-29 23:17:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 23:17:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 23:17:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1862 transitions. [2023-11-29 23:17:06,698 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7142309167625623 [2023-11-29 23:17:06,698 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1862 transitions. [2023-11-29 23:17:06,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1862 transitions. [2023-11-29 23:17:06,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:06,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1862 transitions. [2023-11-29 23:17:06,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 169.27272727272728) internal successors, (1862), 11 states have internal predecessors, (1862), 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) [2023-11-29 23:17:06,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 237.0) internal successors, (2844), 12 states have internal predecessors, (2844), 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) [2023-11-29 23:17:06,705 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 237.0) internal successors, (2844), 12 states have internal predecessors, (2844), 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) [2023-11-29 23:17:06,705 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 43 predicate places. [2023-11-29 23:17:06,705 INFO L500 AbstractCegarLoop]: Abstraction has has 256 places, 418 transitions, 3317 flow [2023-11-29 23:17:06,706 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 161.85714285714286) internal successors, (2266), 14 states have internal predecessors, (2266), 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) [2023-11-29 23:17:06,706 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:06,706 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:06,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 23:17:06,912 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:06,912 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:06,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash 623151352, now seen corresponding path program 1 times [2023-11-29 23:17:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23466337] [2023-11-29 23:17:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 23:17:07,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:07,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23466337] [2023-11-29 23:17:07,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23466337] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 23:17:07,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502420184] [2023-11-29 23:17:07,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:07,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:07,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 23:17:07,116 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) [2023-11-29 23:17:07,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 23:17:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:07,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 23:17:07,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 23:17:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 23:17:07,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 23:17:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 23:17:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502420184] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 23:17:07,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 23:17:07,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2023-11-29 23:17:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140775752] [2023-11-29 23:17:07,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 23:17:07,553 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 23:17:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 23:17:07,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 23:17:07,555 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 237 [2023-11-29 23:17:07,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 418 transitions, 3317 flow. Second operand has 14 states, 14 states have (on average 164.14285714285714) internal successors, (2298), 14 states have internal predecessors, (2298), 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) [2023-11-29 23:17:07,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:07,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 237 [2023-11-29 23:17:07,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:08,592 INFO L124 PetriNetUnfolderBase]: 2975/6471 cut-off events. [2023-11-29 23:17:08,592 INFO L125 PetriNetUnfolderBase]: For 22952/25667 co-relation queries the response was YES. [2023-11-29 23:17:08,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26124 conditions, 6471 events. 2975/6471 cut-off events. For 22952/25667 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 47948 event pairs, 653 based on Foata normal form. 75/5447 useless extension candidates. Maximal degree in co-relation 21185. Up to 3176 conditions per place. [2023-11-29 23:17:08,635 INFO L140 encePairwiseOnDemand]: 209/237 looper letters, 172 selfloop transitions, 28 changer transitions 140/484 dead transitions. [2023-11-29 23:17:08,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 484 transitions, 4663 flow [2023-11-29 23:17:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 23:17:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 23:17:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1881 transitions. [2023-11-29 23:17:08,638 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7215189873417721 [2023-11-29 23:17:08,638 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1881 transitions. [2023-11-29 23:17:08,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1881 transitions. [2023-11-29 23:17:08,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:08,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1881 transitions. [2023-11-29 23:17:08,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 171.0) internal successors, (1881), 11 states have internal predecessors, (1881), 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) [2023-11-29 23:17:08,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 237.0) internal successors, (2844), 12 states have internal predecessors, (2844), 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) [2023-11-29 23:17:08,645 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 237.0) internal successors, (2844), 12 states have internal predecessors, (2844), 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) [2023-11-29 23:17:08,645 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 53 predicate places. [2023-11-29 23:17:08,645 INFO L500 AbstractCegarLoop]: Abstraction has has 266 places, 484 transitions, 4663 flow [2023-11-29 23:17:08,646 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 164.14285714285714) internal successors, (2298), 14 states have internal predecessors, (2298), 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) [2023-11-29 23:17:08,646 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:08,646 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:08,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 23:17:08,851 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:08,851 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:08,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash -172084950, now seen corresponding path program 1 times [2023-11-29 23:17:08,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:08,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016635566] [2023-11-29 23:17:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:08,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:10,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:10,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:10,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016635566] [2023-11-29 23:17:10,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016635566] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 23:17:10,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884576440] [2023-11-29 23:17:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:10,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:10,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 23:17:10,831 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) [2023-11-29 23:17:10,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 23:17:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:10,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-29 23:17:10,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 23:17:12,046 INFO L349 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2023-11-29 23:17:12,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2023-11-29 23:17:13,386 INFO L349 Elim1Store]: treesize reduction 72, result has 71.1 percent of original size [2023-11-29 23:17:13,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 120 treesize of output 244 [2023-11-29 23:17:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:14,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 23:17:44,375 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse1 (select |c_#memory_int| ~B~0.base))) (= (mod (+ (select (let ((.cse0 (* c_thread2Thread1of1ForFork0_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse0 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ .cse0 c_~A~0.offset)) (select .cse1 (+ .cse0 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 (select .cse1 (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) c_~bsum~0) 4294967296)))) is different from false [2023-11-29 23:17:46,393 WARN L854 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse0 (select |c_#memory_int| ~B~0.base))) (= (mod (+ c_~asum~0 (select .cse0 (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset)) |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0) 4294967296) (mod (+ (select (let ((.cse1 (* c_thread2Thread1of1ForFork0_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ .cse1 c_~A~0.offset)) (select .cse0 (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296)))) is different from false [2023-11-29 23:17:46,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:17:46,409 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 73 [2023-11-29 23:17:46,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:17:46,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 48 treesize of output 45 [2023-11-29 23:17:46,557 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 23:17:46,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 59 treesize of output 45 [2023-11-29 23:17:46,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 107 [2023-11-29 23:17:47,235 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 23:17:47,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 148 treesize of output 1 [2023-11-29 23:17:47,261 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 23:17:47,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 93 treesize of output 1 [2023-11-29 23:17:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:47,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884576440] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 23:17:47,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 23:17:47,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 26, 15] total 53 [2023-11-29 23:17:47,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470368195] [2023-11-29 23:17:47,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 23:17:47,670 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-11-29 23:17:47,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 23:17:47,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-11-29 23:17:47,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=2202, Unknown=9, NotChecked=198, Total=2756 [2023-11-29 23:17:47,675 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 237 [2023-11-29 23:17:47,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 484 transitions, 4663 flow. Second operand has 53 states, 53 states have (on average 98.20754716981132) internal successors, (5205), 53 states have internal predecessors, (5205), 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) [2023-11-29 23:17:47,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 23:17:47,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 237 [2023-11-29 23:17:47,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 23:17:54,277 INFO L124 PetriNetUnfolderBase]: 18236/30546 cut-off events. [2023-11-29 23:17:54,277 INFO L125 PetriNetUnfolderBase]: For 80634/81328 co-relation queries the response was YES. [2023-11-29 23:17:54,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122279 conditions, 30546 events. 18236/30546 cut-off events. For 80634/81328 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 237353 event pairs, 2451 based on Foata normal form. 2/27713 useless extension candidates. Maximal degree in co-relation 112842. Up to 14391 conditions per place. [2023-11-29 23:17:54,679 INFO L140 encePairwiseOnDemand]: 183/237 looper letters, 579 selfloop transitions, 132 changer transitions 195/996 dead transitions. [2023-11-29 23:17:54,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 996 transitions, 11236 flow [2023-11-29 23:17:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-29 23:17:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2023-11-29 23:17:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 5663 transitions. [2023-11-29 23:17:54,691 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.42668776371308015 [2023-11-29 23:17:54,691 INFO L72 ComplementDD]: Start complementDD. Operand 56 states and 5663 transitions. [2023-11-29 23:17:54,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 5663 transitions. [2023-11-29 23:17:54,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 23:17:54,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 56 states and 5663 transitions. [2023-11-29 23:17:54,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 57 states, 56 states have (on average 101.125) internal successors, (5663), 56 states have internal predecessors, (5663), 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) [2023-11-29 23:17:54,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 57 states, 57 states have (on average 237.0) internal successors, (13509), 57 states have internal predecessors, (13509), 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) [2023-11-29 23:17:54,727 INFO L81 ComplementDD]: Finished complementDD. Result has 57 states, 57 states have (on average 237.0) internal successors, (13509), 57 states have internal predecessors, (13509), 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) [2023-11-29 23:17:54,727 INFO L307 CegarLoopForPetriNet]: 213 programPoint places, 108 predicate places. [2023-11-29 23:17:54,728 INFO L500 AbstractCegarLoop]: Abstraction has has 321 places, 996 transitions, 11236 flow [2023-11-29 23:17:54,729 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 98.20754716981132) internal successors, (5205), 53 states have internal predecessors, (5205), 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) [2023-11-29 23:17:54,729 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 23:17:54,729 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 23:17:54,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 23:17:54,934 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:54,937 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-29 23:17:54,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 23:17:54,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2054384786, now seen corresponding path program 2 times [2023-11-29 23:17:54,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 23:17:54,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793018118] [2023-11-29 23:17:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 23:17:54,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 23:17:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 23:17:56,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:56,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 23:17:56,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793018118] [2023-11-29 23:17:56,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793018118] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 23:17:56,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966525754] [2023-11-29 23:17:56,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 23:17:56,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 23:17:56,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 23:17:57,001 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) [2023-11-29 23:17:57,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 23:17:57,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 23:17:57,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 23:17:57,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-29 23:17:57,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 23:17:57,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 23:17:57,455 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 23:17:57,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-11-29 23:17:57,807 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-11-29 23:17:57,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-11-29 23:17:58,462 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 23:17:58,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2023-11-29 23:17:59,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:17:59,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2023-11-29 23:17:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 23:17:59,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 23:17:59,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:17:59,569 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 356 treesize of output 336 [2023-11-29 23:18:00,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 159 [2023-11-29 23:18:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:18:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:18:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:18:00,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 245 [2023-11-29 23:18:00,344 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:00,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 325 [2023-11-29 23:18:00,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:18:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:18:00,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 159 [2023-11-29 23:18:00,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2023-11-29 23:18:00,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:18:00,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:18:00,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 163 treesize of output 187 [2023-11-29 23:18:08,416 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,579 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,632 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,726 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,785 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,808 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,819 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,822 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:18:09,868 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,876 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,879 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,916 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:09,922 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,012 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,039 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,057 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,069 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,087 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:18:10,100 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,107 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:10,200 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:11,057 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:11,077 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:11,636 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:34,380 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:36,065 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:37,099 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:18:37,168 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:37,240 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:18:37,369 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:37,432 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:18:37,487 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:18:37,695 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:19:13,784 INFO L349 Elim1Store]: treesize reduction 12, result has 78.9 percent of original size [2023-11-29 23:19:13,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 59 [2023-11-29 23:19:14,597 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:19:14,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 61 [2023-11-29 23:19:18,203 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:19:18,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:19:18,514 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:19:18,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:19:36,120 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:19:36,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:19:39,157 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2023-11-29 23:19:39,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 32 [2023-11-29 23:20:04,897 WARN L293 SmtUtils]: Spent 7.97s on a formula simplification. DAG size of input: 35 DAG size of output: 15 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 23:20:04,897 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:20:04,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 79 [2023-11-29 23:20:48,209 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:20:48,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:20:48,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:20:48,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 60 treesize of output 50 [2023-11-29 23:20:48,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:20:48,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 38 [2023-11-29 23:21:25,426 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:21:53,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 23:21:53,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2023-11-29 23:21:54,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 81 [2023-11-29 23:21:54,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 501 treesize of output 421 [2023-11-29 23:22:16,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2023-11-29 23:22:16,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 87 [2023-11-29 23:24:43,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 23:24:43,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2023-11-29 23:24:44,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2023-11-29 23:24:44,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 71 [2023-11-29 23:24:48,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 23:24:48,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2023-11-29 23:24:48,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2023-11-29 23:24:48,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 71 [2023-11-29 23:24:49,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-11-29 23:24:49,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-11-29 23:24:50,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:24:50,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 163 treesize of output 187 [2023-11-29 23:25:02,699 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:03,074 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:03,135 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:05,084 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:28,207 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:37,853 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:51,640 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:52,666 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:52,759 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:25:52,838 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:52,947 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:53,128 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:53,286 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:53,365 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:54,262 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:25:54,390 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:26:13,575 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:26:36,512 INFO L349 Elim1Store]: treesize reduction 12, result has 78.9 percent of original size [2023-11-29 23:26:36,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 59 [2023-11-29 23:26:38,399 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2023-11-29 23:26:38,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 67 [2023-11-29 23:26:45,753 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:26:45,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:26:46,081 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:26:46,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:26:47,584 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:26:47,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:26:55,296 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:26:55,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:27:05,495 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:05,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 61 [2023-11-29 23:27:05,875 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:05,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:27:14,404 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 35 DAG size of output: 15 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 23:27:14,404 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:14,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 79 [2023-11-29 23:27:27,981 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:27,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 61 [2023-11-29 23:27:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:27:32,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:27:32,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 29 [2023-11-29 23:27:33,980 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:33,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:27:51,475 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:51,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:27:52,150 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:27:52,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 61 [2023-11-29 23:28:11,977 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:11,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 61 [2023-11-29 23:28:21,037 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:21,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:28:21,864 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:21,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:28:23,723 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:23,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:28:25,941 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:25,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 79 [2023-11-29 23:28:35,426 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:35,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 46 [2023-11-29 23:28:40,079 INFO L349 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2023-11-29 23:28:40,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 31 [2023-11-29 23:28:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:28:40,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 23:28:40,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 29 [2023-11-29 23:28:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:28:52,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 43 [2023-11-29 23:28:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:28:52,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 71 [2023-11-29 23:28:56,872 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:28:57,218 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:28:57,475 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:28:57,626 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:29:02,124 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:29:02,395 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:29:02,649 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:29:02,753 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:29:02,900 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:29:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:29:19,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2023-11-29 23:29:19,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-11-29 23:29:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:29:20,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 43 [2023-11-29 23:29:20,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:29:20,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 71 [2023-11-29 23:29:25,805 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:29:28,478 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:29:32,870 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:30:21,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-11-29 23:30:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:30:21,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2023-11-29 23:30:23,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:30:23,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 68 [2023-11-29 23:30:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 23:30:23,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 87 [2023-11-29 23:30:29,852 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:29,934 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:35,576 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:36,945 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,341 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,375 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,447 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,503 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:30:37,564 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:30:37,634 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,705 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,738 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:37,986 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:38,100 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:38,278 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:38,466 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:30:38,660 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:40,471 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:50,517 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:30:51,670 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:30:54,878 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:30:58,844 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:31:00,619 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:31:01,162 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:31:01,757 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:31:02,284 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 23:31:04,989 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:31:05,346 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-29 23:31:08,627 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-11-29 23:31:09,813 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. Received shutdown request... [2023-11-29 23:31:18,076 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 [2023-11-29 23:31:18,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-29 23:31:19,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 23:31:19,277 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-29 23:31:19,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2023-11-29 23:31:19,328 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-29 23:31:19,328 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 23:31:19,328 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-11-29 23:31:19,329 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-29 23:31:19,329 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-29 23:31:19,329 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-29 23:31:19,329 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-29 23:31:19,331 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 23:31:19,331 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 23:31:19,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:31:19 BasicIcfg [2023-11-29 23:31:19,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 23:31:19,334 INFO L158 Benchmark]: Toolchain (without parser) took 859422.92ms. Allocated memory was 377.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 335.7MB in the beginning and 643.7MB in the end (delta: -308.0MB). Peak memory consumption was 2.0GB. Max. memory is 16.0GB. [2023-11-29 23:31:19,334 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 377.5MB. Free memory is still 323.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 23:31:19,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.06ms. Allocated memory is still 377.5MB. Free memory was 335.3MB in the beginning and 323.1MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-29 23:31:19,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.94ms. Allocated memory is still 377.5MB. Free memory was 323.1MB in the beginning and 321.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 23:31:19,334 INFO L158 Benchmark]: Boogie Preprocessor took 29.45ms. Allocated memory is still 377.5MB. Free memory was 321.0MB in the beginning and 319.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 23:31:19,334 INFO L158 Benchmark]: RCFGBuilder took 413.93ms. Allocated memory is still 377.5MB. Free memory was 319.1MB in the beginning and 296.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-29 23:31:19,335 INFO L158 Benchmark]: TraceAbstraction took 858799.84ms. Allocated memory was 377.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 295.4MB in the beginning and 643.7MB in the end (delta: -348.3MB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2023-11-29 23:31:19,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 377.5MB. Free memory is still 323.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 151.06ms. Allocated memory is still 377.5MB. Free memory was 335.3MB in the beginning and 323.1MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 24.94ms. Allocated memory is still 377.5MB. Free memory was 323.1MB in the beginning and 321.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.45ms. Allocated memory is still 377.5MB. Free memory was 321.0MB in the beginning and 319.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 413.93ms. Allocated memory is still 377.5MB. Free memory was 319.1MB in the beginning and 296.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 858799.84ms. Allocated memory was 377.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 295.4MB in the beginning and 643.7MB in the end (delta: -348.3MB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 261 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 858.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1439 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1439 mSDsluCounter, 4153 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 874 IncrementalHoareTripleChecker+Unchecked, 3716 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5646 IncrementalHoareTripleChecker+Invalid, 6609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 437 mSDtfsCounter, 5646 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1691 GetRequests, 1517 SyntacticMatches, 7 SemanticMatches, 167 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2475 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11236occurred in iteration=7, InterpolantAutomatonStates: 116, 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, 0.6s SatisfiabilityAnalysisTime, 40.9s InterpolantComputationTime, 2042 NumberOfCodeBlocks, 2042 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2802 ConstructedInterpolants, 31 QuantifiedInterpolants, 18316 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1812 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 44/62 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