/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/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-24 18:22:03,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-24 18:22:03,479 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 [2023-08-24 18:22:03,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-24 18:22:03,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-24 18:22:03,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-24 18:22:03,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-24 18:22:03,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-24 18:22:03,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-24 18:22:03,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-24 18:22:03,523 INFO L153 SettingsManager]: * Use SBE=true [2023-08-24 18:22:03,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-24 18:22:03,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-24 18:22:03,525 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-24 18:22:03,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-24 18:22:03,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-24 18:22:03,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-24 18:22:03,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-24 18:22:03,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-24 18:22:03,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-24 18:22:03,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-24 18:22:03,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-24 18:22:03,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-24 18:22:03,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-24 18:22:03,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-24 18:22:03,528 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-24 18:22:03,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-24 18:22:03,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 18:22:03,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-24 18:22:03,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-24 18:22:03,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-24 18:22:03,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-24 18:22:03,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-24 18:22:03,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-24 18:22:03,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-24 18:22:03,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-24 18:22:03,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-24 18:22:03,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-24 18:22:03,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-24 18:22:03,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-24 18:22:03,855 INFO L274 PluginConnector]: CDTParser initialized [2023-08-24 18:22:03,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-24 18:22:05,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-24 18:22:05,345 INFO L384 CDTParser]: Found 1 translation units. [2023-08-24 18:22:05,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-24 18:22:05,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d082be5bf/2b6ae0b4af5e4e289dff0f0d3ccf1ad2/FLAG6f80a372f [2023-08-24 18:22:05,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d082be5bf/2b6ae0b4af5e4e289dff0f0d3ccf1ad2 [2023-08-24 18:22:05,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-24 18:22:05,383 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-24 18:22:05,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-24 18:22:05,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-24 18:22:05,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-24 18:22:05,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05, skipping insertion in model container [2023-08-24 18:22:05,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,444 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-24 18:22:05,628 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-24 18:22:05,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 18:22:05,802 INFO L201 MainTranslator]: Completed pre-run [2023-08-24 18:22:05,816 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-24 18:22:05,821 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [265] [2023-08-24 18:22:05,823 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [265] [2023-08-24 18:22:05,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 18:22:05,883 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-24 18:22:05,883 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-24 18:22:05,883 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-24 18:22:05,890 INFO L206 MainTranslator]: Completed translation [2023-08-24 18:22:05,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05 WrapperNode [2023-08-24 18:22:05,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-24 18:22:05,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-24 18:22:05,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-24 18:22:05,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-24 18:22:05,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,938 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 324 [2023-08-24 18:22:05,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-24 18:22:05,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-24 18:22:05,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-24 18:22:05,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-24 18:22:05,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:05,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:06,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-24 18:22:06,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-24 18:22:06,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-24 18:22:06,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-24 18:22:06,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (1/1) ... [2023-08-24 18:22:06,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 18:22:06,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-24 18:22:06,035 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) [2023-08-24 18:22:06,056 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 [2023-08-24 18:22:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-24 18:22:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-24 18:22:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-24 18:22:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-24 18:22:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-24 18:22:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-24 18:22:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-24 18:22:06,072 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-24 18:22:06,196 INFO L236 CfgBuilder]: Building ICFG [2023-08-24 18:22:06,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-24 18:22:06,624 INFO L277 CfgBuilder]: Performing block encoding [2023-08-24 18:22:06,678 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-24 18:22:06,678 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-24 18:22:06,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 06:22:06 BoogieIcfgContainer [2023-08-24 18:22:06,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-24 18:22:06,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-24 18:22:06,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-24 18:22:06,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-24 18:22:06,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.08 06:22:05" (1/3) ... [2023-08-24 18:22:06,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34879094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 06:22:06, skipping insertion in model container [2023-08-24 18:22:06,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 06:22:05" (2/3) ... [2023-08-24 18:22:06,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34879094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 06:22:06, skipping insertion in model container [2023-08-24 18:22:06,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 06:22:06" (3/3) ... [2023-08-24 18:22:06,688 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-08-24 18:22:06,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-24 18:22:06,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-08-24 18:22:06,708 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-24 18:22:06,767 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-24 18:22:06,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 201 transitions, 418 flow [2023-08-24 18:22:06,876 INFO L124 PetriNetUnfolderBase]: 26/199 cut-off events. [2023-08-24 18:22:06,876 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-24 18:22:06,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 199 events. 26/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 643 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 165. Up to 5 conditions per place. [2023-08-24 18:22:06,884 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 201 transitions, 418 flow [2023-08-24 18:22:06,891 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 190 transitions, 389 flow [2023-08-24 18:22:06,894 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-24 18:22:06,904 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 190 transitions, 389 flow [2023-08-24 18:22:06,906 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 190 transitions, 389 flow [2023-08-24 18:22:06,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 190 transitions, 389 flow [2023-08-24 18:22:06,956 INFO L124 PetriNetUnfolderBase]: 26/190 cut-off events. [2023-08-24 18:22:06,957 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-24 18:22:06,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 190 events. 26/190 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 641 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 165. Up to 5 conditions per place. [2023-08-24 18:22:06,981 INFO L119 LiptonReduction]: Number of co-enabled transitions 15476 [2023-08-24 18:22:09,443 INFO L134 LiptonReduction]: Checked pairs total: 51590 [2023-08-24 18:22:09,444 INFO L136 LiptonReduction]: Total number of compositions: 131 [2023-08-24 18:22:09,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-24 18:22:09,461 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;@4dfa150, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-24 18:22:09,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2023-08-24 18:22:09,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-24 18:22:09,465 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-08-24 18:22:09,465 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-24 18:22:09,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:09,465 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-24 18:22:09,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:09,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:09,470 INFO L85 PathProgramCache]: Analyzing trace with hash 31761841, now seen corresponding path program 1 times [2023-08-24 18:22:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:09,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861343836] [2023-08-24 18:22:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:09,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:09,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861343836] [2023-08-24 18:22:09,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861343836] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:09,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:09,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-24 18:22:09,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503182445] [2023-08-24 18:22:09,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:09,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-24 18:22:09,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-24 18:22:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-24 18:22:09,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 332 [2023-08-24 18:22:09,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 108 transitions, 225 flow. Second operand has 2 states, 2 states have (on average 121.0) internal successors, (242), 2 states have internal predecessors, (242), 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) [2023-08-24 18:22:09,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:09,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 332 [2023-08-24 18:22:09,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:10,013 INFO L124 PetriNetUnfolderBase]: 1903/3146 cut-off events. [2023-08-24 18:22:10,013 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-08-24 18:22:10,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6104 conditions, 3146 events. 1903/3146 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 15653 event pairs, 1383 based on Foata normal form. 0/2388 useless extension candidates. Maximal degree in co-relation 5876. Up to 2889 conditions per place. [2023-08-24 18:22:10,034 INFO L140 encePairwiseOnDemand]: 292/332 looper letters, 59 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2023-08-24 18:22:10,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 263 flow [2023-08-24 18:22:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-24 18:22:10,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-24 18:22:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 337 transitions. [2023-08-24 18:22:10,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5075301204819277 [2023-08-24 18:22:10,046 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 337 transitions. [2023-08-24 18:22:10,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 337 transitions. [2023-08-24 18:22:10,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:10,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 337 transitions. [2023-08-24 18:22:10,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 168.5) internal successors, (337), 2 states have internal predecessors, (337), 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) [2023-08-24 18:22:10,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-08-24 18:22:10,057 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-08-24 18:22:10,058 INFO L175 Difference]: Start difference. First operand has 97 places, 108 transitions, 225 flow. Second operand 2 states and 337 transitions. [2023-08-24 18:22:10,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 263 flow [2023-08-24 18:22:10,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-24 18:22:10,064 INFO L231 Difference]: Finished difference. Result has 61 places, 68 transitions, 140 flow [2023-08-24 18:22:10,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=61, PETRI_TRANSITIONS=68} [2023-08-24 18:22:10,068 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -36 predicate places. [2023-08-24 18:22:10,068 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 140 flow [2023-08-24 18:22:10,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 121.0) internal successors, (242), 2 states have internal predecessors, (242), 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) [2023-08-24 18:22:10,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:10,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:10,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-24 18:22:10,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:10,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash -993401696, now seen corresponding path program 1 times [2023-08-24 18:22:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:10,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157754561] [2023-08-24 18:22:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:10,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:10,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157754561] [2023-08-24 18:22:10,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157754561] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:10,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:10,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-24 18:22:10,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20768108] [2023-08-24 18:22:10,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:10,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 18:22:10,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:10,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 18:22:10,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 18:22:10,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 332 [2023-08-24 18:22:10,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-08-24 18:22:10,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:10,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 332 [2023-08-24 18:22:10,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:10,520 INFO L124 PetriNetUnfolderBase]: 2549/3958 cut-off events. [2023-08-24 18:22:10,521 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-24 18:22:10,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7942 conditions, 3958 events. 2549/3958 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 18220 event pairs, 1759 based on Foata normal form. 0/3038 useless extension candidates. Maximal degree in co-relation 7939. Up to 3633 conditions per place. [2023-08-24 18:22:10,543 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 98 selfloop transitions, 5 changer transitions 0/104 dead transitions. [2023-08-24 18:22:10,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 104 transitions, 420 flow [2023-08-24 18:22:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 18:22:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 18:22:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2023-08-24 18:22:10,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4206827309236948 [2023-08-24 18:22:10,547 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2023-08-24 18:22:10,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2023-08-24 18:22:10,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:10,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2023-08-24 18:22:10,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2023-08-24 18:22:10,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:10,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:10,552 INFO L175 Difference]: Start difference. First operand has 61 places, 68 transitions, 140 flow. Second operand 3 states and 419 transitions. [2023-08-24 18:22:10,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 104 transitions, 420 flow [2023-08-24 18:22:10,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 104 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-24 18:22:10,603 INFO L231 Difference]: Finished difference. Result has 65 places, 72 transitions, 178 flow [2023-08-24 18:22:10,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=65, PETRI_TRANSITIONS=72} [2023-08-24 18:22:10,604 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -32 predicate places. [2023-08-24 18:22:10,604 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 72 transitions, 178 flow [2023-08-24 18:22:10,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-08-24 18:22:10,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:10,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:10,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-24 18:22:10,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:10,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash 576703710, now seen corresponding path program 1 times [2023-08-24 18:22:10,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:10,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048451916] [2023-08-24 18:22:10,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:10,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:10,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:10,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048451916] [2023-08-24 18:22:10,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048451916] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:10,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:10,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-24 18:22:10,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765499423] [2023-08-24 18:22:10,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:10,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 18:22:10,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:10,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 18:22:10,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 18:22:10,657 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 332 [2023-08-24 18:22:10,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 72 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2023-08-24 18:22:10,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:10,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 332 [2023-08-24 18:22:10,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:11,014 INFO L124 PetriNetUnfolderBase]: 2536/3947 cut-off events. [2023-08-24 18:22:11,014 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-08-24 18:22:11,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8408 conditions, 3947 events. 2536/3947 cut-off events. For 325/325 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 18179 event pairs, 1717 based on Foata normal form. 0/3087 useless extension candidates. Maximal degree in co-relation 8403. Up to 3631 conditions per place. [2023-08-24 18:22:11,037 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 100 selfloop transitions, 8 changer transitions 0/109 dead transitions. [2023-08-24 18:22:11,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 109 transitions, 493 flow [2023-08-24 18:22:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 18:22:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 18:22:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2023-08-24 18:22:11,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4186746987951807 [2023-08-24 18:22:11,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 417 transitions. [2023-08-24 18:22:11,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions. [2023-08-24 18:22:11,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:11,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions. [2023-08-24 18:22:11,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 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) [2023-08-24 18:22:11,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:11,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:11,044 INFO L175 Difference]: Start difference. First operand has 65 places, 72 transitions, 178 flow. Second operand 3 states and 417 transitions. [2023-08-24 18:22:11,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 109 transitions, 493 flow [2023-08-24 18:22:11,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 109 transitions, 475 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-24 18:22:11,050 INFO L231 Difference]: Finished difference. Result has 67 places, 78 transitions, 236 flow [2023-08-24 18:22:11,050 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2023-08-24 18:22:11,051 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -30 predicate places. [2023-08-24 18:22:11,051 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 78 transitions, 236 flow [2023-08-24 18:22:11,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2023-08-24 18:22:11,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:11,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:11,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-24 18:22:11,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:11,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1176261113, now seen corresponding path program 1 times [2023-08-24 18:22:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:11,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553041897] [2023-08-24 18:22:11,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:11,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:11,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:11,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553041897] [2023-08-24 18:22:11,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553041897] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:11,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:11,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-24 18:22:11,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658810035] [2023-08-24 18:22:11,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:11,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 18:22:11,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:11,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 18:22:11,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 18:22:11,089 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 332 [2023-08-24 18:22:11,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 78 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-08-24 18:22:11,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:11,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 332 [2023-08-24 18:22:11,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:11,490 INFO L124 PetriNetUnfolderBase]: 2434/3815 cut-off events. [2023-08-24 18:22:11,490 INFO L125 PetriNetUnfolderBase]: For 675/675 co-relation queries the response was YES. [2023-08-24 18:22:11,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8549 conditions, 3815 events. 2434/3815 cut-off events. For 675/675 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 17623 event pairs, 1016 based on Foata normal form. 0/3081 useless extension candidates. Maximal degree in co-relation 8543. Up to 2086 conditions per place. [2023-08-24 18:22:11,510 INFO L140 encePairwiseOnDemand]: 324/332 looper letters, 132 selfloop transitions, 10 changer transitions 0/143 dead transitions. [2023-08-24 18:22:11,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 143 transitions, 687 flow [2023-08-24 18:22:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 18:22:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 18:22:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2023-08-24 18:22:11,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45481927710843373 [2023-08-24 18:22:11,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 453 transitions. [2023-08-24 18:22:11,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 453 transitions. [2023-08-24 18:22:11,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:11,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 453 transitions. [2023-08-24 18:22:11,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 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) [2023-08-24 18:22:11,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:11,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:11,517 INFO L175 Difference]: Start difference. First operand has 67 places, 78 transitions, 236 flow. Second operand 3 states and 453 transitions. [2023-08-24 18:22:11,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 143 transitions, 687 flow [2023-08-24 18:22:11,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 143 transitions, 665 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-24 18:22:11,525 INFO L231 Difference]: Finished difference. Result has 69 places, 84 transitions, 304 flow [2023-08-24 18:22:11,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=69, PETRI_TRANSITIONS=84} [2023-08-24 18:22:11,526 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -28 predicate places. [2023-08-24 18:22:11,526 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 84 transitions, 304 flow [2023-08-24 18:22:11,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-08-24 18:22:11,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:11,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:11,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-24 18:22:11,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err16ASSERT_VIOLATIONASSERT === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:11,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2104355134, now seen corresponding path program 1 times [2023-08-24 18:22:11,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:11,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532735734] [2023-08-24 18:22:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:11,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:11,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:11,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532735734] [2023-08-24 18:22:11,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532735734] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:11,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:11,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-24 18:22:11,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611900613] [2023-08-24 18:22:11,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:11,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 18:22:11,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:11,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 18:22:11,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 18:22:11,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 332 [2023-08-24 18:22:11,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 84 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2023-08-24 18:22:11,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:11,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 332 [2023-08-24 18:22:11,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:11,917 INFO L124 PetriNetUnfolderBase]: 2202/3723 cut-off events. [2023-08-24 18:22:11,917 INFO L125 PetriNetUnfolderBase]: For 2558/2694 co-relation queries the response was YES. [2023-08-24 18:22:11,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9010 conditions, 3723 events. 2202/3723 cut-off events. For 2558/2694 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 19617 event pairs, 1024 based on Foata normal form. 32/3111 useless extension candidates. Maximal degree in co-relation 9003. Up to 2355 conditions per place. [2023-08-24 18:22:11,937 INFO L140 encePairwiseOnDemand]: 325/332 looper letters, 110 selfloop transitions, 5 changer transitions 2/129 dead transitions. [2023-08-24 18:22:11,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 129 transitions, 733 flow [2023-08-24 18:22:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 18:22:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 18:22:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2023-08-24 18:22:11,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4327309236947791 [2023-08-24 18:22:11,939 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2023-08-24 18:22:11,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2023-08-24 18:22:11,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:11,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2023-08-24 18:22:11,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2023-08-24 18:22:11,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:11,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:11,944 INFO L175 Difference]: Start difference. First operand has 69 places, 84 transitions, 304 flow. Second operand 3 states and 431 transitions. [2023-08-24 18:22:11,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 129 transitions, 733 flow [2023-08-24 18:22:11,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 129 transitions, 697 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-24 18:22:11,951 INFO L231 Difference]: Finished difference. Result has 71 places, 86 transitions, 316 flow [2023-08-24 18:22:11,951 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=71, PETRI_TRANSITIONS=86} [2023-08-24 18:22:11,952 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -26 predicate places. [2023-08-24 18:22:11,952 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 86 transitions, 316 flow [2023-08-24 18:22:11,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2023-08-24 18:22:11,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:11,953 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:11,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-24 18:22:11,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err16ASSERT_VIOLATIONASSERT === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:11,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:11,954 INFO L85 PathProgramCache]: Analyzing trace with hash 711991228, now seen corresponding path program 1 times [2023-08-24 18:22:11,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:11,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281930087] [2023-08-24 18:22:11,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:11,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:11,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:11,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281930087] [2023-08-24 18:22:11,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281930087] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:11,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:11,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-24 18:22:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201624447] [2023-08-24 18:22:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:11,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 18:22:11,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:11,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 18:22:11,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 18:22:11,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 332 [2023-08-24 18:22:11,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 86 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2023-08-24 18:22:11,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:11,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 332 [2023-08-24 18:22:11,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:12,284 INFO L124 PetriNetUnfolderBase]: 2068/3499 cut-off events. [2023-08-24 18:22:12,284 INFO L125 PetriNetUnfolderBase]: For 1911/2023 co-relation queries the response was YES. [2023-08-24 18:22:12,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8579 conditions, 3499 events. 2068/3499 cut-off events. For 1911/2023 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 18123 event pairs, 1022 based on Foata normal form. 98/3119 useless extension candidates. Maximal degree in co-relation 8571. Up to 2352 conditions per place. [2023-08-24 18:22:12,299 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 105 selfloop transitions, 4 changer transitions 6/127 dead transitions. [2023-08-24 18:22:12,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 127 transitions, 717 flow [2023-08-24 18:22:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 18:22:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 18:22:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2023-08-24 18:22:12,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307228915662651 [2023-08-24 18:22:12,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2023-08-24 18:22:12,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2023-08-24 18:22:12,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:12,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2023-08-24 18:22:12,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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) [2023-08-24 18:22:12,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:12,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:12,305 INFO L175 Difference]: Start difference. First operand has 71 places, 86 transitions, 316 flow. Second operand 3 states and 429 transitions. [2023-08-24 18:22:12,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 127 transitions, 717 flow [2023-08-24 18:22:12,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 127 transitions, 707 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-24 18:22:12,312 INFO L231 Difference]: Finished difference. Result has 72 places, 86 transitions, 322 flow [2023-08-24 18:22:12,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=72, PETRI_TRANSITIONS=86} [2023-08-24 18:22:12,313 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -25 predicate places. [2023-08-24 18:22:12,313 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 86 transitions, 322 flow [2023-08-24 18:22:12,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2023-08-24 18:22:12,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:12,313 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:12,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-24 18:22:12,314 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:12,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:12,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1912666806, now seen corresponding path program 1 times [2023-08-24 18:22:12,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:12,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624749641] [2023-08-24 18:22:12,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:12,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:12,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624749641] [2023-08-24 18:22:12,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624749641] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:12,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:12,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-24 18:22:12,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555062127] [2023-08-24 18:22:12,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:12,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-24 18:22:12,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:12,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-24 18:22:12,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-24 18:22:12,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 332 [2023-08-24 18:22:12,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 86 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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) [2023-08-24 18:22:12,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:12,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 332 [2023-08-24 18:22:12,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:12,818 INFO L124 PetriNetUnfolderBase]: 3650/6059 cut-off events. [2023-08-24 18:22:12,818 INFO L125 PetriNetUnfolderBase]: For 4199/4419 co-relation queries the response was YES. [2023-08-24 18:22:12,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15071 conditions, 6059 events. 3650/6059 cut-off events. For 4199/4419 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 36063 event pairs, 962 based on Foata normal form. 26/5249 useless extension candidates. Maximal degree in co-relation 15062. Up to 3132 conditions per place. [2023-08-24 18:22:12,841 INFO L140 encePairwiseOnDemand]: 325/332 looper letters, 114 selfloop transitions, 5 changer transitions 17/150 dead transitions. [2023-08-24 18:22:12,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 150 transitions, 837 flow [2023-08-24 18:22:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-24 18:22:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-24 18:22:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2023-08-24 18:22:12,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4678714859437751 [2023-08-24 18:22:12,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 466 transitions. [2023-08-24 18:22:12,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 466 transitions. [2023-08-24 18:22:12,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:12,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 466 transitions. [2023-08-24 18:22:12,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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) [2023-08-24 18:22:12,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:12,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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) [2023-08-24 18:22:12,847 INFO L175 Difference]: Start difference. First operand has 72 places, 86 transitions, 322 flow. Second operand 3 states and 466 transitions. [2023-08-24 18:22:12,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 150 transitions, 837 flow [2023-08-24 18:22:12,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 150 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-24 18:22:12,856 INFO L231 Difference]: Finished difference. Result has 75 places, 91 transitions, 362 flow [2023-08-24 18:22:12,857 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=75, PETRI_TRANSITIONS=91} [2023-08-24 18:22:12,857 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -22 predicate places. [2023-08-24 18:22:12,857 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 91 transitions, 362 flow [2023-08-24 18:22:12,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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) [2023-08-24 18:22:12,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:12,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:12,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-24 18:22:12,858 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:12,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:12,859 INFO L85 PathProgramCache]: Analyzing trace with hash -554031086, now seen corresponding path program 2 times [2023-08-24 18:22:12,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:12,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245401400] [2023-08-24 18:22:12,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:12,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:12,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:12,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245401400] [2023-08-24 18:22:12,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245401400] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:12,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:12,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-24 18:22:12,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421509347] [2023-08-24 18:22:12,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:12,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 18:22:12,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:12,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 18:22:12,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 18:22:12,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 332 [2023-08-24 18:22:12,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 91 transitions, 362 flow. Second operand has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-08-24 18:22:12,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:12,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 332 [2023-08-24 18:22:12,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:14,187 INFO L124 PetriNetUnfolderBase]: 10214/17067 cut-off events. [2023-08-24 18:22:14,187 INFO L125 PetriNetUnfolderBase]: For 13254/13924 co-relation queries the response was YES. [2023-08-24 18:22:14,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44652 conditions, 17067 events. 10214/17067 cut-off events. For 13254/13924 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 118306 event pairs, 1834 based on Foata normal form. 158/15605 useless extension candidates. Maximal degree in co-relation 44642. Up to 5182 conditions per place. [2023-08-24 18:22:14,256 INFO L140 encePairwiseOnDemand]: 328/332 looper letters, 243 selfloop transitions, 6 changer transitions 7/270 dead transitions. [2023-08-24 18:22:14,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 270 transitions, 1560 flow [2023-08-24 18:22:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 18:22:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 18:22:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 781 transitions. [2023-08-24 18:22:14,259 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47048192771084335 [2023-08-24 18:22:14,259 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 781 transitions. [2023-08-24 18:22:14,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 781 transitions. [2023-08-24 18:22:14,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:14,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 781 transitions. [2023-08-24 18:22:14,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 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) [2023-08-24 18:22:14,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:14,264 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:14,264 INFO L175 Difference]: Start difference. First operand has 75 places, 91 transitions, 362 flow. Second operand 5 states and 781 transitions. [2023-08-24 18:22:14,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 270 transitions, 1560 flow [2023-08-24 18:22:14,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 270 transitions, 1524 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-24 18:22:14,279 INFO L231 Difference]: Finished difference. Result has 81 places, 97 transitions, 404 flow [2023-08-24 18:22:14,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=81, PETRI_TRANSITIONS=97} [2023-08-24 18:22:14,282 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -16 predicate places. [2023-08-24 18:22:14,283 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 97 transitions, 404 flow [2023-08-24 18:22:14,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-08-24 18:22:14,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:14,283 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:14,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-24 18:22:14,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:14,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:14,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1622322670, now seen corresponding path program 3 times [2023-08-24 18:22:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:14,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247845991] [2023-08-24 18:22:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:14,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:14,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247845991] [2023-08-24 18:22:14,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247845991] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:14,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:14,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-24 18:22:14,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553690797] [2023-08-24 18:22:14,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:14,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 18:22:14,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:14,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 18:22:14,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 18:22:14,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 332 [2023-08-24 18:22:14,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 97 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-08-24 18:22:14,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:14,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 332 [2023-08-24 18:22:14,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:15,610 INFO L124 PetriNetUnfolderBase]: 9741/16138 cut-off events. [2023-08-24 18:22:15,610 INFO L125 PetriNetUnfolderBase]: For 11395/11889 co-relation queries the response was YES. [2023-08-24 18:22:15,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41781 conditions, 16138 events. 9741/16138 cut-off events. For 11395/11889 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 112973 event pairs, 2622 based on Foata normal form. 366/15002 useless extension candidates. Maximal degree in co-relation 41768. Up to 8182 conditions per place. [2023-08-24 18:22:15,671 INFO L140 encePairwiseOnDemand]: 317/332 looper letters, 114 selfloop transitions, 5 changer transitions 70/203 dead transitions. [2023-08-24 18:22:15,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 203 transitions, 1191 flow [2023-08-24 18:22:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 18:22:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 18:22:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 703 transitions. [2023-08-24 18:22:15,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4234939759036145 [2023-08-24 18:22:15,674 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 703 transitions. [2023-08-24 18:22:15,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 703 transitions. [2023-08-24 18:22:15,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:15,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 703 transitions. [2023-08-24 18:22:15,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 140.6) internal successors, (703), 5 states have internal predecessors, (703), 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) [2023-08-24 18:22:15,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:15,679 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:15,680 INFO L175 Difference]: Start difference. First operand has 81 places, 97 transitions, 404 flow. Second operand 5 states and 703 transitions. [2023-08-24 18:22:15,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 203 transitions, 1191 flow [2023-08-24 18:22:15,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 203 transitions, 1191 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-24 18:22:15,693 INFO L231 Difference]: Finished difference. Result has 89 places, 96 transitions, 458 flow [2023-08-24 18:22:15,694 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=458, PETRI_PLACES=89, PETRI_TRANSITIONS=96} [2023-08-24 18:22:15,694 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -8 predicate places. [2023-08-24 18:22:15,694 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 96 transitions, 458 flow [2023-08-24 18:22:15,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-08-24 18:22:15,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:15,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:15,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-24 18:22:15,695 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:15,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash -28208338, now seen corresponding path program 4 times [2023-08-24 18:22:15,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:15,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393642541] [2023-08-24 18:22:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:15,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:15,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393642541] [2023-08-24 18:22:15,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393642541] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:15,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:15,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-24 18:22:15,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341842109] [2023-08-24 18:22:15,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:15,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 18:22:15,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:15,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 18:22:15,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 18:22:15,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 332 [2023-08-24 18:22:15,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 96 transitions, 458 flow. Second operand has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-08-24 18:22:15,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:15,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 332 [2023-08-24 18:22:15,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:17,281 INFO L124 PetriNetUnfolderBase]: 11048/18941 cut-off events. [2023-08-24 18:22:17,281 INFO L125 PetriNetUnfolderBase]: For 18196/18798 co-relation queries the response was YES. [2023-08-24 18:22:17,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53823 conditions, 18941 events. 11048/18941 cut-off events. For 18196/18798 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 138636 event pairs, 2673 based on Foata normal form. 178/18017 useless extension candidates. Maximal degree in co-relation 53806. Up to 5859 conditions per place. [2023-08-24 18:22:17,337 INFO L140 encePairwiseOnDemand]: 328/332 looper letters, 201 selfloop transitions, 6 changer transitions 56/277 dead transitions. [2023-08-24 18:22:17,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 277 transitions, 1847 flow [2023-08-24 18:22:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 18:22:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 18:22:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 784 transitions. [2023-08-24 18:22:17,341 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.472289156626506 [2023-08-24 18:22:17,341 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 784 transitions. [2023-08-24 18:22:17,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 784 transitions. [2023-08-24 18:22:17,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:17,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 784 transitions. [2023-08-24 18:22:17,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 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) [2023-08-24 18:22:17,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:17,346 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:17,346 INFO L175 Difference]: Start difference. First operand has 89 places, 96 transitions, 458 flow. Second operand 5 states and 784 transitions. [2023-08-24 18:22:17,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 277 transitions, 1847 flow [2023-08-24 18:22:17,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 277 transitions, 1731 flow, removed 41 selfloop flow, removed 3 redundant places. [2023-08-24 18:22:17,379 INFO L231 Difference]: Finished difference. Result has 92 places, 100 transitions, 480 flow [2023-08-24 18:22:17,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=480, PETRI_PLACES=92, PETRI_TRANSITIONS=100} [2023-08-24 18:22:17,379 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2023-08-24 18:22:17,379 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 100 transitions, 480 flow [2023-08-24 18:22:17,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-08-24 18:22:17,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:17,380 INFO L208 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] [2023-08-24 18:22:17,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-24 18:22:17,380 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:17,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash -542975111, now seen corresponding path program 1 times [2023-08-24 18:22:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:17,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584028148] [2023-08-24 18:22:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:17,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:17,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:17,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:17,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584028148] [2023-08-24 18:22:17,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584028148] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:17,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:17,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-24 18:22:17,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72115270] [2023-08-24 18:22:17,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:17,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 18:22:17,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:17,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 18:22:17,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 18:22:17,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 332 [2023-08-24 18:22:17,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 100 transitions, 480 flow. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 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) [2023-08-24 18:22:17,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:17,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 332 [2023-08-24 18:22:17,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:18,636 INFO L124 PetriNetUnfolderBase]: 9349/16162 cut-off events. [2023-08-24 18:22:18,637 INFO L125 PetriNetUnfolderBase]: For 14677/15181 co-relation queries the response was YES. [2023-08-24 18:22:18,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44521 conditions, 16162 events. 9349/16162 cut-off events. For 14677/15181 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 114828 event pairs, 4390 based on Foata normal form. 288/15532 useless extension candidates. Maximal degree in co-relation 44502. Up to 11050 conditions per place. [2023-08-24 18:22:18,691 INFO L140 encePairwiseOnDemand]: 324/332 looper letters, 92 selfloop transitions, 3 changer transitions 72/181 dead transitions. [2023-08-24 18:22:18,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 181 transitions, 1183 flow [2023-08-24 18:22:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 18:22:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 18:22:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 703 transitions. [2023-08-24 18:22:18,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4234939759036145 [2023-08-24 18:22:18,694 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 703 transitions. [2023-08-24 18:22:18,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 703 transitions. [2023-08-24 18:22:18,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:18,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 703 transitions. [2023-08-24 18:22:18,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 140.6) internal successors, (703), 5 states have internal predecessors, (703), 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) [2023-08-24 18:22:18,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:18,699 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:18,699 INFO L175 Difference]: Start difference. First operand has 92 places, 100 transitions, 480 flow. Second operand 5 states and 703 transitions. [2023-08-24 18:22:18,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 181 transitions, 1183 flow [2023-08-24 18:22:18,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 181 transitions, 1175 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-24 18:22:18,720 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 477 flow [2023-08-24 18:22:18,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=477, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2023-08-24 18:22:18,721 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, 2 predicate places. [2023-08-24 18:22:18,721 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 477 flow [2023-08-24 18:22:18,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 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) [2023-08-24 18:22:18,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 18:22:18,722 INFO L208 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] [2023-08-24 18:22:18,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-24 18:22:18,722 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-24 18:22:18,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 18:22:18,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1960602959, now seen corresponding path program 1 times [2023-08-24 18:22:18,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 18:22:18,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770251101] [2023-08-24 18:22:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 18:22:18,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 18:22:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 18:22:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 18:22:18,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 18:22:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770251101] [2023-08-24 18:22:18,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770251101] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 18:22:18,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 18:22:18,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-24 18:22:18,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551544149] [2023-08-24 18:22:18,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 18:22:18,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 18:22:18,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 18:22:18,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 18:22:18,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 18:22:18,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 332 [2023-08-24 18:22:18,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 477 flow. Second operand has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-24 18:22:18,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 18:22:18,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 332 [2023-08-24 18:22:18,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 18:22:19,372 INFO L124 PetriNetUnfolderBase]: 3965/6788 cut-off events. [2023-08-24 18:22:19,372 INFO L125 PetriNetUnfolderBase]: For 6185/6223 co-relation queries the response was YES. [2023-08-24 18:22:19,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19419 conditions, 6788 events. 3965/6788 cut-off events. For 6185/6223 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 39369 event pairs, 1589 based on Foata normal form. 54/6586 useless extension candidates. Maximal degree in co-relation 19396. Up to 3823 conditions per place. [2023-08-24 18:22:19,388 INFO L140 encePairwiseOnDemand]: 325/332 looper letters, 0 selfloop transitions, 0 changer transitions 147/147 dead transitions. [2023-08-24 18:22:19,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 147 transitions, 995 flow [2023-08-24 18:22:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 18:22:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 18:22:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 692 transitions. [2023-08-24 18:22:19,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41686746987951806 [2023-08-24 18:22:19,390 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 692 transitions. [2023-08-24 18:22:19,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 692 transitions. [2023-08-24 18:22:19,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 18:22:19,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 692 transitions. [2023-08-24 18:22:19,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 138.4) internal successors, (692), 5 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) [2023-08-24 18:22:19,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:19,395 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 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) [2023-08-24 18:22:19,395 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 477 flow. Second operand 5 states and 692 transitions. [2023-08-24 18:22:19,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 147 transitions, 995 flow [2023-08-24 18:22:19,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 147 transitions, 881 flow, removed 33 selfloop flow, removed 10 redundant places. [2023-08-24 18:22:19,423 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2023-08-24 18:22:19,423 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2023-08-24 18:22:19,424 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -15 predicate places. [2023-08-24 18:22:19,424 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2023-08-24 18:22:19,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-24 18:22:19,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2023-08-24 18:22:19,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2023-08-24 18:22:19,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2023-08-24 18:22:19,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2023-08-24 18:22:19,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2023-08-24 18:22:19,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2023-08-24 18:22:19,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2023-08-24 18:22:19,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2023-08-24 18:22:19,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2023-08-24 18:22:19,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2023-08-24 18:22:19,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2023-08-24 18:22:19,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2023-08-24 18:22:19,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err18ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONASSERT (65 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2023-08-24 18:22:19,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2023-08-24 18:22:19,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONASSERT (46 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2023-08-24 18:22:19,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2023-08-24 18:22:19,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err18ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONASSERT (23 of 80 remaining) [2023-08-24 18:22:19,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2023-08-24 18:22:19,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONASSERT (4 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2023-08-24 18:22:19,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2023-08-24 18:22:19,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2023-08-24 18:22:19,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2023-08-24 18:22:19,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-24 18:22:19,436 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 18:22:19,441 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-24 18:22:19,441 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-24 18:22:19,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.08 06:22:19 BasicIcfg [2023-08-24 18:22:19,444 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-24 18:22:19,444 INFO L158 Benchmark]: Toolchain (without parser) took 14060.92ms. Allocated memory was 371.2MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 328.1MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 790.2MB. Max. memory is 16.0GB. [2023-08-24 18:22:19,444 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 371.2MB. Free memory is still 348.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-24 18:22:19,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.14ms. Allocated memory is still 371.2MB. Free memory was 328.1MB in the beginning and 306.7MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-08-24 18:22:19,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.87ms. Allocated memory is still 371.2MB. Free memory was 306.7MB in the beginning and 304.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-24 18:22:19,445 INFO L158 Benchmark]: Boogie Preprocessor took 61.78ms. Allocated memory is still 371.2MB. Free memory was 304.1MB in the beginning and 348.9MB in the end (delta: -44.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.0GB. [2023-08-24 18:22:19,445 INFO L158 Benchmark]: RCFGBuilder took 679.05ms. Allocated memory is still 371.2MB. Free memory was 348.9MB in the beginning and 317.1MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-08-24 18:22:19,445 INFO L158 Benchmark]: TraceAbstraction took 12761.08ms. Allocated memory was 371.2MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 316.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 776.6MB. Max. memory is 16.0GB. [2023-08-24 18:22:19,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 371.2MB. Free memory is still 348.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 505.14ms. Allocated memory is still 371.2MB. Free memory was 328.1MB in the beginning and 306.7MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.87ms. Allocated memory is still 371.2MB. Free memory was 306.7MB in the beginning and 304.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 61.78ms. Allocated memory is still 371.2MB. Free memory was 304.1MB in the beginning and 348.9MB in the end (delta: -44.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.0GB. * RCFGBuilder took 679.05ms. Allocated memory is still 371.2MB. Free memory was 348.9MB in the beginning and 317.1MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * TraceAbstraction took 12761.08ms. Allocated memory was 371.2MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 316.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 776.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 265]: Unsoundness Warning unspecified type, defaulting to int C: short [265] - GenericResultAtLocation [Line: 265]: Unsoundness Warning unspecified type, defaulting to int C: short [265] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 171 PlacesBefore, 97 PlacesAfterwards, 190 TransitionsBefore, 108 TransitionsAfterwards, 15476 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 8 ChoiceCompositions, 131 TotalNumberOfCompositions, 51590 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18815, independent: 18123, independent conditional: 0, independent unconditional: 18123, dependent: 692, dependent conditional: 0, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6804, independent: 6704, independent conditional: 0, independent unconditional: 6704, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18815, independent: 11419, independent conditional: 0, independent unconditional: 11419, dependent: 592, dependent conditional: 0, dependent unconditional: 592, unknown: 6804, unknown conditional: 0, unknown unconditional: 6804] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 979, Positive conditional cache size: 0, Positive unconditional cache size: 979, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 12]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 12]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 300 locations, 80 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: 12.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 695 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 695 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2409 IncrementalHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 22 mSDtfsCounter, 2409 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=480occurred in iteration=10, InterpolantAutomatonStates: 45, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-24 18:22:19,467 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 Received shutdown request...