/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 04:17:58,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 04:17:58,656 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-VariableLbe.epf [2023-08-25 04:17:58,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 04:17:58,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 04:17:58,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 04:17:58,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 04:17:58,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 04:17:58,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 04:17:58,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 04:17:58,686 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 04:17:58,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 04:17:58,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 04:17:58,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 04:17:58,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 04:17:58,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 04:17:58,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 04:17:58,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 04:17:58,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 04:17:58,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 04:17:58,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 04:17:58,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 04:17:58,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 04:17:58,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 04:17:58,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 04:17:58,692 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 04:17:58,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 04:17:58,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:17:58,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 04:17:58,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 04:17:58,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 04:17:58,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 04:17:58,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 04:17:58,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 04:17:58,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 04:17:58,695 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 04:17:59,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 04:17:59,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 04:17:59,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 04:17:59,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 04:17:59,024 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 04:17:59,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-08-25 04:18:00,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 04:18:00,618 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 04:18:00,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-08-25 04:18:00,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201ec83f0/c5f95807000a4fb0bd82677d0e40aa8f/FLAG7dbd0a0ed [2023-08-25 04:18:00,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201ec83f0/c5f95807000a4fb0bd82677d0e40aa8f [2023-08-25 04:18:00,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 04:18:00,653 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 04:18:00,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 04:18:00,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 04:18:00,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 04:18:00,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:18:00" (1/1) ... [2023-08-25 04:18:00,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb9a2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:00, skipping insertion in model container [2023-08-25 04:18:00,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:18:00" (1/1) ... [2023-08-25 04:18:00,700 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 04:18:01,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:18:01,260 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 04:18:01,290 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [261] [2023-08-25 04:18:01,292 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [261] [2023-08-25 04:18:01,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:18:01,399 INFO L206 MainTranslator]: Completed translation [2023-08-25 04:18:01,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01 WrapperNode [2023-08-25 04:18:01,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 04:18:01,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 04:18:01,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 04:18:01,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 04:18:01,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,473 INFO L138 Inliner]: procedures = 278, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 349 [2023-08-25 04:18:01,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 04:18:01,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 04:18:01,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 04:18:01,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 04:18:01,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 04:18:01,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 04:18:01,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 04:18:01,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 04:18:01,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (1/1) ... [2023-08-25 04:18:01,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:18:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:18:01,594 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) [2023-08-25 04:18:01,609 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 [2023-08-25 04:18:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 04:18:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 04:18:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-08-25 04:18:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-08-25 04:18:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 04:18:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-25 04:18:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 04:18:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 04:18:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 04:18:01,632 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 04:18:01,758 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 04:18:01,759 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 04:18:02,307 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 04:18:02,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 04:18:02,315 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-25 04:18:02,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:18:02 BoogieIcfgContainer [2023-08-25 04:18:02,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 04:18:02,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 04:18:02,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 04:18:02,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 04:18:02,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:18:00" (1/3) ... [2023-08-25 04:18:02,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7834ed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:18:02, skipping insertion in model container [2023-08-25 04:18:02,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:01" (2/3) ... [2023-08-25 04:18:02,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7834ed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:18:02, skipping insertion in model container [2023-08-25 04:18:02,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:18:02" (3/3) ... [2023-08-25 04:18:02,325 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2023-08-25 04:18:02,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 04:18:02,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-08-25 04:18:02,339 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 04:18:02,472 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-25 04:18:02,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 370 transitions, 762 flow [2023-08-25 04:18:02,732 INFO L124 PetriNetUnfolderBase]: 56/670 cut-off events. [2023-08-25 04:18:02,732 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2023-08-25 04:18:02,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 670 events. 56/670 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3190 event pairs, 0 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 335. Up to 8 conditions per place. [2023-08-25 04:18:02,749 INFO L82 GeneralOperation]: Start removeDead. Operand has 349 places, 370 transitions, 762 flow [2023-08-25 04:18:02,762 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 370 transitions, 762 flow [2023-08-25 04:18:02,766 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 04:18:02,777 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 370 transitions, 762 flow [2023-08-25 04:18:02,780 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 370 transitions, 762 flow [2023-08-25 04:18:02,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 349 places, 370 transitions, 762 flow [2023-08-25 04:18:02,907 INFO L124 PetriNetUnfolderBase]: 56/670 cut-off events. [2023-08-25 04:18:02,907 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2023-08-25 04:18:02,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 670 events. 56/670 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3190 event pairs, 0 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 335. Up to 8 conditions per place. [2023-08-25 04:18:02,944 INFO L119 LiptonReduction]: Number of co-enabled transitions 48320 [2023-08-25 04:18:32,586 INFO L134 LiptonReduction]: Checked pairs total: 231819 [2023-08-25 04:18:32,587 INFO L136 LiptonReduction]: Total number of compositions: 240 [2023-08-25 04:18:32,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 04:18:32,603 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e644a4a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 04:18:32,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-08-25 04:18:32,606 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 04:18:32,606 INFO L124 PetriNetUnfolderBase]: 1/3 cut-off events. [2023-08-25 04:18:32,606 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:18:32,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:18:32,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-25 04:18:32,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-25 04:18:32,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:18:32,611 INFO L85 PathProgramCache]: Analyzing trace with hash 42942, now seen corresponding path program 1 times [2023-08-25 04:18:32,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:18:32,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116780141] [2023-08-25 04:18:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:18:32,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:18:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:18:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:18:32,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:18:32,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116780141] [2023-08-25 04:18:32,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116780141] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:18:32,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:18:32,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 04:18:32,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162147064] [2023-08-25 04:18:32,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:18:32,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 04:18:32,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:18:32,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 04:18:32,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 04:18:32,793 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 610 [2023-08-25 04:18:32,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 168 transitions, 358 flow. Second operand has 2 states, 2 states have (on average 346.0) internal successors, (692), 2 states have internal predecessors, (692), 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) [2023-08-25 04:18:32,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:18:32,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 610 [2023-08-25 04:18:32,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:18:34,924 INFO L124 PetriNetUnfolderBase]: 7713/19862 cut-off events. [2023-08-25 04:18:34,924 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2023-08-25 04:18:34,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31880 conditions, 19862 events. 7713/19862 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 191597 event pairs, 7296 based on Foata normal form. 984/18434 useless extension candidates. Maximal degree in co-relation 30135. Up to 11884 conditions per place. [2023-08-25 04:18:35,044 INFO L140 encePairwiseOnDemand]: 596/610 looper letters, 63 selfloop transitions, 0 changer transitions 0/154 dead transitions. [2023-08-25 04:18:35,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 154 transitions, 456 flow [2023-08-25 04:18:35,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 04:18:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 04:18:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 767 transitions. [2023-08-25 04:18:35,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6286885245901639 [2023-08-25 04:18:35,066 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 767 transitions. [2023-08-25 04:18:35,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 767 transitions. [2023-08-25 04:18:35,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:18:35,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 767 transitions. [2023-08-25 04:18:35,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 383.5) internal successors, (767), 2 states have internal predecessors, (767), 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) [2023-08-25 04:18:35,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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) [2023-08-25 04:18:35,088 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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) [2023-08-25 04:18:35,090 INFO L175 Difference]: Start difference. First operand has 155 places, 168 transitions, 358 flow. Second operand 2 states and 767 transitions. [2023-08-25 04:18:35,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 154 transitions, 456 flow [2023-08-25 04:18:35,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 154 transitions, 456 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:18:35,101 INFO L231 Difference]: Finished difference. Result has 153 places, 154 transitions, 330 flow [2023-08-25 04:18:35,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=610, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=330, PETRI_PLACES=153, PETRI_TRANSITIONS=154} [2023-08-25 04:18:35,107 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -2 predicate places. [2023-08-25 04:18:35,107 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 154 transitions, 330 flow [2023-08-25 04:18:35,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 346.0) internal successors, (692), 2 states have internal predecessors, (692), 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) [2023-08-25 04:18:35,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:18:35,108 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2023-08-25 04:18:35,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 04:18:35,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-25 04:18:35,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:18:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash 818004985, now seen corresponding path program 1 times [2023-08-25 04:18:35,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:18:35,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481131571] [2023-08-25 04:18:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:18:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:18:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:18:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:35,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:18:35,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481131571] [2023-08-25 04:18:35,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481131571] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:18:35,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:18:35,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:18:35,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945719990] [2023-08-25 04:18:35,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:18:35,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:18:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:18:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:18:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:18:35,264 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 610 [2023-08-25 04:18:35,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 154 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 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) [2023-08-25 04:18:35,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:18:35,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 610 [2023-08-25 04:18:35,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:18:37,149 INFO L124 PetriNetUnfolderBase]: 7713/19863 cut-off events. [2023-08-25 04:18:37,150 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2023-08-25 04:18:37,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31883 conditions, 19863 events. 7713/19863 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 191614 event pairs, 7296 based on Foata normal form. 0/17451 useless extension candidates. Maximal degree in co-relation 31878. Up to 11884 conditions per place. [2023-08-25 04:18:37,246 INFO L140 encePairwiseOnDemand]: 607/610 looper letters, 62 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2023-08-25 04:18:37,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 155 transitions, 460 flow [2023-08-25 04:18:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:18:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:18:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1055 transitions. [2023-08-25 04:18:37,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5765027322404371 [2023-08-25 04:18:37,250 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1055 transitions. [2023-08-25 04:18:37,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1055 transitions. [2023-08-25 04:18:37,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:18:37,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1055 transitions. [2023-08-25 04:18:37,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 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) [2023-08-25 04:18:37,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 610.0) internal successors, (2440), 4 states have internal predecessors, (2440), 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) [2023-08-25 04:18:37,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 610.0) internal successors, (2440), 4 states have internal predecessors, (2440), 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) [2023-08-25 04:18:37,258 INFO L175 Difference]: Start difference. First operand has 153 places, 154 transitions, 330 flow. Second operand 3 states and 1055 transitions. [2023-08-25 04:18:37,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 155 transitions, 460 flow [2023-08-25 04:18:37,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 155 transitions, 460 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:18:37,265 INFO L231 Difference]: Finished difference. Result has 156 places, 155 transitions, 342 flow [2023-08-25 04:18:37,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=610, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=156, PETRI_TRANSITIONS=155} [2023-08-25 04:18:37,267 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, 1 predicate places. [2023-08-25 04:18:37,269 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 342 flow [2023-08-25 04:18:37,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 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) [2023-08-25 04:18:37,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:18:37,273 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-08-25 04:18:37,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 04:18:37,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-25 04:18:37,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:18:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash 687305597, now seen corresponding path program 1 times [2023-08-25 04:18:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:18:37,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111464254] [2023-08-25 04:18:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:18:37,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:18:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:18:37,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:37,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:18:37,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111464254] [2023-08-25 04:18:37,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111464254] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:18:37,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122011153] [2023-08-25 04:18:37,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:18:37,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:18:37,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:18:37,423 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) [2023-08-25 04:18:37,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 04:18:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:18:37,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 04:18:37,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:18:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:37,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:18:37,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:37,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122011153] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:18:37,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:18:37,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-08-25 04:18:37,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379350394] [2023-08-25 04:18:37,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:18:37,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 04:18:37,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:18:37,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 04:18:37,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-25 04:18:37,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 610 [2023-08-25 04:18:37,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 342 flow. Second operand has 7 states, 7 states have (on average 331.57142857142856) internal successors, (2321), 7 states have internal predecessors, (2321), 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) [2023-08-25 04:18:37,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:18:37,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 610 [2023-08-25 04:18:37,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:18:39,532 INFO L124 PetriNetUnfolderBase]: 7713/19866 cut-off events. [2023-08-25 04:18:39,533 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2023-08-25 04:18:39,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31899 conditions, 19866 events. 7713/19866 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 191472 event pairs, 7296 based on Foata normal form. 0/17454 useless extension candidates. Maximal degree in co-relation 31892. Up to 11884 conditions per place. [2023-08-25 04:18:39,605 INFO L140 encePairwiseOnDemand]: 607/610 looper letters, 62 selfloop transitions, 5 changer transitions 0/158 dead transitions. [2023-08-25 04:18:39,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 488 flow [2023-08-25 04:18:39,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 04:18:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 04:18:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2050 transitions. [2023-08-25 04:18:39,610 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5601092896174863 [2023-08-25 04:18:39,610 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2050 transitions. [2023-08-25 04:18:39,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2050 transitions. [2023-08-25 04:18:39,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:18:39,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2050 transitions. [2023-08-25 04:18:39,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.6666666666667) internal successors, (2050), 6 states have internal predecessors, (2050), 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) [2023-08-25 04:18:39,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 610.0) internal successors, (4270), 7 states have internal predecessors, (4270), 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) [2023-08-25 04:18:39,624 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 610.0) internal successors, (4270), 7 states have internal predecessors, (4270), 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) [2023-08-25 04:18:39,624 INFO L175 Difference]: Start difference. First operand has 156 places, 155 transitions, 342 flow. Second operand 6 states and 2050 transitions. [2023-08-25 04:18:39,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 488 flow [2023-08-25 04:18:39,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 158 transitions, 484 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 04:18:39,628 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 374 flow [2023-08-25 04:18:39,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=610, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2023-08-25 04:18:39,629 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, 8 predicate places. [2023-08-25 04:18:39,629 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 374 flow [2023-08-25 04:18:39,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 331.57142857142856) internal successors, (2321), 7 states have internal predecessors, (2321), 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) [2023-08-25 04:18:39,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:18:39,631 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1] [2023-08-25 04:18:39,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-25 04:18:39,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:18:39,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-25 04:18:39,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:18:39,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1752401145, now seen corresponding path program 2 times [2023-08-25 04:18:39,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:18:39,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610016375] [2023-08-25 04:18:39,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:18:39,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:18:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:18:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:18:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610016375] [2023-08-25 04:18:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610016375] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:18:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040147700] [2023-08-25 04:18:40,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 04:18:40,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:18:40,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:18:40,082 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) [2023-08-25 04:18:40,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-25 04:18:40,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 04:18:40,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 04:18:40,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-25 04:18:40,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:18:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:40,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:18:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:40,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040147700] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:18:40,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:18:40,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-08-25 04:18:40,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071457788] [2023-08-25 04:18:40,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:18:40,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 04:18:40,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:18:40,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 04:18:40,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-08-25 04:18:40,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 610 [2023-08-25 04:18:40,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 374 flow. Second operand has 13 states, 13 states have (on average 331.3076923076923) internal successors, (4307), 13 states have internal predecessors, (4307), 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) [2023-08-25 04:18:40,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:18:40,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 610 [2023-08-25 04:18:40,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:18:42,727 INFO L124 PetriNetUnfolderBase]: 7713/19872 cut-off events. [2023-08-25 04:18:42,727 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2023-08-25 04:18:42,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31936 conditions, 19872 events. 7713/19872 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 191806 event pairs, 7296 based on Foata normal form. 6/17467 useless extension candidates. Maximal degree in co-relation 31926. Up to 11884 conditions per place. [2023-08-25 04:18:42,815 INFO L140 encePairwiseOnDemand]: 607/610 looper letters, 62 selfloop transitions, 11 changer transitions 0/164 dead transitions. [2023-08-25 04:18:42,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 164 transitions, 556 flow [2023-08-25 04:18:42,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-25 04:18:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-25 04:18:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4039 transitions. [2023-08-25 04:18:42,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.551775956284153 [2023-08-25 04:18:42,826 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4039 transitions. [2023-08-25 04:18:42,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4039 transitions. [2023-08-25 04:18:42,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:18:42,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4039 transitions. [2023-08-25 04:18:42,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 336.5833333333333) internal successors, (4039), 12 states have internal predecessors, (4039), 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) [2023-08-25 04:18:42,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 610.0) internal successors, (7930), 13 states have internal predecessors, (7930), 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) [2023-08-25 04:18:42,852 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 610.0) internal successors, (7930), 13 states have internal predecessors, (7930), 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) [2023-08-25 04:18:42,852 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 374 flow. Second operand 12 states and 4039 transitions. [2023-08-25 04:18:42,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 164 transitions, 556 flow [2023-08-25 04:18:42,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 164 transitions, 542 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-08-25 04:18:42,859 INFO L231 Difference]: Finished difference. Result has 179 places, 164 transitions, 444 flow [2023-08-25 04:18:42,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=610, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=444, PETRI_PLACES=179, PETRI_TRANSITIONS=164} [2023-08-25 04:18:42,863 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, 24 predicate places. [2023-08-25 04:18:42,865 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 164 transitions, 444 flow [2023-08-25 04:18:42,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 331.3076923076923) internal successors, (4307), 13 states have internal predecessors, (4307), 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) [2023-08-25 04:18:42,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:18:42,868 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 2, 1, 1, 1, 1, 1] [2023-08-25 04:18:42,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-25 04:18:43,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-08-25 04:18:43,077 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-25 04:18:43,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:18:43,078 INFO L85 PathProgramCache]: Analyzing trace with hash -883280263, now seen corresponding path program 3 times [2023-08-25 04:18:43,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:18:43,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97171016] [2023-08-25 04:18:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:18:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:18:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:18:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 04:18:43,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:18:43,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97171016] [2023-08-25 04:18:43,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97171016] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:18:43,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716532139] [2023-08-25 04:18:43,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-25 04:18:43,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:18:43,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:18:43,672 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) [2023-08-25 04:18:43,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Received shutdown request... [2023-08-25 04:32:36,974 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 04:32:36,975 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 [2023-08-25 04:32:38,190 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 [2023-08-25 04:32:38,190 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2023-08-25 04:32:38,199 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 0 [2023-08-25 04:32:38,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 137 [2023-08-25 04:32:38,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-08-25 04:32:38,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-08-25 04:32:38,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-08-25 04:32:38,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820691858] [2023-08-25 04:32:38,224 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-08-25 04:32:38,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 04:32:38,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:32:38,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 04:32:38,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-08-25 04:32:38,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 610 [2023-08-25 04:32:38,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 164 transitions, 444 flow. Second operand has 13 states, 13 states have (on average 331.15384615384613) internal successors, (4305), 13 states have internal predecessors, (4305), 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) [2023-08-25 04:32:38,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:32:38,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 610 [2023-08-25 04:32:38,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:32:38,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2023-08-25 04:32:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 04:32:38,234 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-08-25 04:32:38,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-08-25 04:32:38,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-08-25 04:32:38,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-08-25 04:32:38,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr8ASSERT_VIOLATIONASSERT (29 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-08-25 04:32:38,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-08-25 04:32:38,237 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr7ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr8ASSERT_VIOLATIONASSERT (8 of 37 remaining) [2023-08-25 04:32:38,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-08-25 04:32:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-08-25 04:32:38,240 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-08-25 04:32:38,244 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 04:32:38,244 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 04:32:38,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:32:38 BasicIcfg [2023-08-25 04:32:38,247 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 04:32:38,247 INFO L158 Benchmark]: Toolchain (without parser) took 877594.16ms. Allocated memory was 367.0MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 341.6MB in the beginning and 1.2GB in the end (delta: -853.2MB). Peak memory consumption was 310.5MB. Max. memory is 16.0GB. [2023-08-25 04:32:38,247 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 367.0MB. Free memory was 344.5MB in the beginning and 344.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:32:38,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.52ms. Allocated memory is still 367.0MB. Free memory was 341.2MB in the beginning and 302.7MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-08-25 04:32:38,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.58ms. Allocated memory is still 367.0MB. Free memory was 302.7MB in the beginning and 298.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 04:32:38,248 INFO L158 Benchmark]: Boogie Preprocessor took 88.88ms. Allocated memory is still 367.0MB. Free memory was 298.1MB in the beginning and 343.5MB in the end (delta: -45.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-25 04:32:38,248 INFO L158 Benchmark]: RCFGBuilder took 753.76ms. Allocated memory is still 367.0MB. Free memory was 343.5MB in the beginning and 306.0MB in the end (delta: 37.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-08-25 04:32:38,249 INFO L158 Benchmark]: TraceAbstraction took 875926.70ms. Allocated memory was 367.0MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 305.2MB in the beginning and 1.2GB in the end (delta: -889.6MB). Peak memory consumption was 272.8MB. Max. memory is 16.0GB. [2023-08-25 04:32:38,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 367.0MB. Free memory was 344.5MB in the beginning and 344.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 747.52ms. Allocated memory is still 367.0MB. Free memory was 341.2MB in the beginning and 302.7MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 71.58ms. Allocated memory is still 367.0MB. Free memory was 302.7MB in the beginning and 298.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * Boogie Preprocessor took 88.88ms. Allocated memory is still 367.0MB. Free memory was 298.1MB in the beginning and 343.5MB in the end (delta: -45.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * RCFGBuilder took 753.76ms. Allocated memory is still 367.0MB. Free memory was 343.5MB in the beginning and 306.0MB in the end (delta: 37.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * TraceAbstraction took 875926.70ms. Allocated memory was 367.0MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 305.2MB in the beginning and 1.2GB in the end (delta: -889.6MB). Peak memory consumption was 272.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 261]: Unsoundness Warning unspecified type, defaulting to int C: short [261] - GenericResultAtLocation [Line: 261]: Unsoundness Warning unspecified type, defaulting to int C: short [261] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.8s, 349 PlacesBefore, 155 PlacesAfterwards, 370 TransitionsBefore, 168 TransitionsAfterwards, 48320 CoEnabledTransitionPairs, 7 FixpointIterations, 78 TrivialSequentialCompositions, 132 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 20 ConcurrentYvCompositions, 8 ChoiceCompositions, 240 TotalNumberOfCompositions, 231819 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45620, independent: 43716, independent conditional: 0, independent unconditional: 43716, dependent: 1904, dependent conditional: 0, dependent unconditional: 1904, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 20135, independent: 19914, independent conditional: 0, independent unconditional: 19914, dependent: 221, dependent conditional: 0, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 45620, independent: 23802, independent conditional: 0, independent unconditional: 23802, dependent: 1683, dependent conditional: 0, dependent unconditional: 1683, unknown: 20135, unknown conditional: 0, unknown unconditional: 20135] , Statistics on independence cache: Total cache size (in pairs): 1780, Positive cache size: 1624, Positive conditional cache size: 0, Positive unconditional cache size: 1624, Negative cache size: 156, Negative conditional cache size: 0, Negative unconditional cache size: 156, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1037]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1010]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1010]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1023]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 554 locations, 37 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: 875.7s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 30.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 756 IncrementalHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 756 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=444occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 823 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 16/104 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