/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 --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -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 [2023-08-25 22:01:18,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 22:01:18,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 22:01:18,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 22:01:18,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 22:01:18,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 22:01:18,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 22:01:18,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 22:01:18,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 22:01:18,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 22:01:18,869 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 22:01:18,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 22:01:18,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 22:01:18,870 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 22:01:18,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 22:01:18,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 22:01:18,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 22:01:18,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 22:01:18,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 22:01:18,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 22:01:18,872 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 22:01:18,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 22:01:18,873 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 22:01:18,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 22:01:18,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 22:01:18,874 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 22:01:18,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 22:01:18,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 22:01:18,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 22:01:18,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 22:01:18,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 22:01:18,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 22:01:18,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 22:01:18,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 22:01:18,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 22:01:18,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 22:01:19,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 22:01:19,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 22:01:19,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 22:01:19,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 22:01:19,221 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 22:01:19,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-25 22:01:20,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 22:01:20,703 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 22:01:20,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-25 22:01:20,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87cce96b1/1c3a6feb595146429be5421e74ae4d50/FLAG19b359afb [2023-08-25 22:01:20,958 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87cce96b1/1c3a6feb595146429be5421e74ae4d50 [2023-08-25 22:01:20,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 22:01:20,961 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 22:01:20,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 22:01:20,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 22:01:20,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 22:01:20,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:01:20" (1/1) ... [2023-08-25 22:01:20,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b52d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:20, skipping insertion in model container [2023-08-25 22:01:20,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:01:20" (1/1) ... [2023-08-25 22:01:21,011 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 22:01:21,149 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 22:01:21,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 22:01:21,340 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 22:01:21,361 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 22:01:21,370 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [265] [2023-08-25 22:01:21,372 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [265] [2023-08-25 22:01:21,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 22:01:21,441 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 22:01:21,441 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 22:01:21,442 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 22:01:21,448 INFO L206 MainTranslator]: Completed translation [2023-08-25 22:01:21,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21 WrapperNode [2023-08-25 22:01:21,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 22:01:21,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 22:01:21,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 22:01:21,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 22:01:21,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,527 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 324 [2023-08-25 22:01:21,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 22:01:21,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 22:01:21,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 22:01:21,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 22:01:21,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 22:01:21,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 22:01:21,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 22:01:21,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 22:01:21,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (1/1) ... [2023-08-25 22:01:21,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 22:01:21,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 22:01:21,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 22:01:21,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 22:01:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 22:01:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-25 22:01:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-25 22:01:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-25 22:01:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-25 22:01:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 22:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 22:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 22:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 22:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 22:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 22:01:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 22:01:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 22:01:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 22:01:21,669 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 22:01:21,809 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 22:01:21,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 22:01:22,148 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 22:01:22,225 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 22:01:22,225 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-25 22:01:22,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:01:22 BoogieIcfgContainer [2023-08-25 22:01:22,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 22:01:22,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 22:01:22,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 22:01:22,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 22:01:22,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:01:20" (1/3) ... [2023-08-25 22:01:22,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b13062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:01:22, skipping insertion in model container [2023-08-25 22:01:22,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:01:21" (2/3) ... [2023-08-25 22:01:22,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b13062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:01:22, skipping insertion in model container [2023-08-25 22:01:22,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:01:22" (3/3) ... [2023-08-25 22:01:22,234 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-08-25 22:01:22,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 22:01:22,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-08-25 22:01:22,248 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 22:01:22,307 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 22:01:22,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 201 transitions, 418 flow [2023-08-25 22:01:22,420 INFO L124 PetriNetUnfolderBase]: 26/199 cut-off events. [2023-08-25 22:01:22,420 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 22:01:22,428 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. [2023-08-25 22:01:22,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 201 transitions, 418 flow [2023-08-25 22:01:22,439 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 190 transitions, 389 flow [2023-08-25 22:01:22,444 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 22:01:22,460 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 190 transitions, 389 flow [2023-08-25 22:01:22,464 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 190 transitions, 389 flow [2023-08-25 22:01:22,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 190 transitions, 389 flow [2023-08-25 22:01:22,522 INFO L124 PetriNetUnfolderBase]: 26/190 cut-off events. [2023-08-25 22:01:22,522 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 22:01:22,527 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. [2023-08-25 22:01:22,535 INFO L119 LiptonReduction]: Number of co-enabled transitions 15476 [2023-08-25 22:01:25,066 INFO L134 LiptonReduction]: Checked pairs total: 51590 [2023-08-25 22:01:25,067 INFO L136 LiptonReduction]: Total number of compositions: 131 [2023-08-25 22:01:25,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 22:01:25,084 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;@561def18, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 22:01:25,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2023-08-25 22:01:25,087 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 22:01:25,087 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-08-25 22:01:25,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 22:01:25,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:25,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 22:01:25,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:25,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:25,092 INFO L85 PathProgramCache]: Analyzing trace with hash 31761841, now seen corresponding path program 1 times [2023-08-25 22:01:25,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:25,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126153114] [2023-08-25 22:01:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:25,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:25,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126153114] [2023-08-25 22:01:25,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126153114] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:25,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 22:01:25,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784895624] [2023-08-25 22:01:25,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:25,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 22:01:25,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:25,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 22:01:25,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 22:01:25,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 332 [2023-08-25 22:01:25,268 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) [2023-08-25 22:01:25,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:25,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 332 [2023-08-25 22:01:25,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:25,565 INFO L124 PetriNetUnfolderBase]: 1903/3146 cut-off events. [2023-08-25 22:01:25,565 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-08-25 22:01:25,569 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. [2023-08-25 22:01:25,582 INFO L140 encePairwiseOnDemand]: 292/332 looper letters, 59 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2023-08-25 22:01:25,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 263 flow [2023-08-25 22:01:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 22:01:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 22:01:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 337 transitions. [2023-08-25 22:01:25,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5075301204819277 [2023-08-25 22:01:25,594 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 337 transitions. [2023-08-25 22:01:25,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 337 transitions. [2023-08-25 22:01:25,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:25,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 337 transitions. [2023-08-25 22:01:25,600 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) [2023-08-25 22:01:25,604 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) [2023-08-25 22:01:25,605 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) [2023-08-25 22:01:25,606 INFO L175 Difference]: Start difference. First operand has 97 places, 108 transitions, 225 flow. Second operand 2 states and 337 transitions. [2023-08-25 22:01:25,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 263 flow [2023-08-25 22:01:25,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 22:01:25,611 INFO L231 Difference]: Finished difference. Result has 61 places, 68 transitions, 140 flow [2023-08-25 22:01:25,612 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} [2023-08-25 22:01:25,615 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -36 predicate places. [2023-08-25 22:01:25,615 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 140 flow [2023-08-25 22:01:25,616 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) [2023-08-25 22:01:25,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:25,616 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 22:01:25,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 22:01:25,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:25,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:25,617 INFO L85 PathProgramCache]: Analyzing trace with hash -993401696, now seen corresponding path program 1 times [2023-08-25 22:01:25,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:25,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086369070] [2023-08-25 22:01:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:25,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:25,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:25,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086369070] [2023-08-25 22:01:25,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086369070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:25,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:25,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 22:01:25,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129582115] [2023-08-25 22:01:25,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:25,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 22:01:25,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:25,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 22:01:25,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 22:01:25,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 332 [2023-08-25 22:01:25,696 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) [2023-08-25 22:01:25,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:25,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 332 [2023-08-25 22:01:25,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:26,055 INFO L124 PetriNetUnfolderBase]: 2549/3958 cut-off events. [2023-08-25 22:01:26,055 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 22:01:26,100 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. [2023-08-25 22:01:26,117 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 98 selfloop transitions, 5 changer transitions 0/104 dead transitions. [2023-08-25 22:01:26,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 104 transitions, 420 flow [2023-08-25 22:01:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 22:01:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 22:01:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2023-08-25 22:01:26,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4206827309236948 [2023-08-25 22:01:26,120 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2023-08-25 22:01:26,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2023-08-25 22:01:26,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:26,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2023-08-25 22:01:26,122 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) [2023-08-25 22:01:26,124 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) [2023-08-25 22:01:26,125 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) [2023-08-25 22:01:26,125 INFO L175 Difference]: Start difference. First operand has 61 places, 68 transitions, 140 flow. Second operand 3 states and 419 transitions. [2023-08-25 22:01:26,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 104 transitions, 420 flow [2023-08-25 22:01:26,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 104 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 22:01:26,128 INFO L231 Difference]: Finished difference. Result has 65 places, 72 transitions, 178 flow [2023-08-25 22:01:26,128 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} [2023-08-25 22:01:26,129 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -32 predicate places. [2023-08-25 22:01:26,129 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 72 transitions, 178 flow [2023-08-25 22:01:26,129 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) [2023-08-25 22:01:26,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:26,129 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 22:01:26,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 22:01:26,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:26,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash 576703710, now seen corresponding path program 1 times [2023-08-25 22:01:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:26,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801653759] [2023-08-25 22:01:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:26,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:26,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801653759] [2023-08-25 22:01:26,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801653759] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:26,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:26,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 22:01:26,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702715663] [2023-08-25 22:01:26,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:26,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 22:01:26,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:26,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 22:01:26,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 22:01:26,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 332 [2023-08-25 22:01:26,214 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) [2023-08-25 22:01:26,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:26,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 332 [2023-08-25 22:01:26,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:26,553 INFO L124 PetriNetUnfolderBase]: 2536/3947 cut-off events. [2023-08-25 22:01:26,553 INFO L125 PetriNetUnfolderBase]: For 325/325 co-relation queries the response was YES. [2023-08-25 22:01:26,559 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. [2023-08-25 22:01:26,577 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 100 selfloop transitions, 8 changer transitions 0/109 dead transitions. [2023-08-25 22:01:26,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 109 transitions, 493 flow [2023-08-25 22:01:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 22:01:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 22:01:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2023-08-25 22:01:26,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4186746987951807 [2023-08-25 22:01:26,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 417 transitions. [2023-08-25 22:01:26,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions. [2023-08-25 22:01:26,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:26,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions. [2023-08-25 22:01:26,581 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) [2023-08-25 22:01:26,583 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) [2023-08-25 22:01:26,583 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) [2023-08-25 22:01:26,583 INFO L175 Difference]: Start difference. First operand has 65 places, 72 transitions, 178 flow. Second operand 3 states and 417 transitions. [2023-08-25 22:01:26,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 109 transitions, 493 flow [2023-08-25 22:01:26,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 109 transitions, 475 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 22:01:26,589 INFO L231 Difference]: Finished difference. Result has 67 places, 78 transitions, 236 flow [2023-08-25 22:01:26,589 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} [2023-08-25 22:01:26,590 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -30 predicate places. [2023-08-25 22:01:26,590 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 78 transitions, 236 flow [2023-08-25 22:01:26,590 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) [2023-08-25 22:01:26,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:26,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 22:01:26,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 22:01:26,591 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:26,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:26,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1176261113, now seen corresponding path program 1 times [2023-08-25 22:01:26,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:26,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785983462] [2023-08-25 22:01:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:26,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:26,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:26,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785983462] [2023-08-25 22:01:26,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785983462] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:26,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:26,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 22:01:26,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862220231] [2023-08-25 22:01:26,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:26,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 22:01:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:26,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 22:01:26,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 22:01:26,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 332 [2023-08-25 22:01:26,626 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) [2023-08-25 22:01:26,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:26,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 332 [2023-08-25 22:01:26,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:27,030 INFO L124 PetriNetUnfolderBase]: 2434/3815 cut-off events. [2023-08-25 22:01:27,030 INFO L125 PetriNetUnfolderBase]: For 675/675 co-relation queries the response was YES. [2023-08-25 22:01:27,036 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. [2023-08-25 22:01:27,053 INFO L140 encePairwiseOnDemand]: 324/332 looper letters, 132 selfloop transitions, 10 changer transitions 0/143 dead transitions. [2023-08-25 22:01:27,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 143 transitions, 687 flow [2023-08-25 22:01:27,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 22:01:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 22:01:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2023-08-25 22:01:27,056 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45481927710843373 [2023-08-25 22:01:27,056 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 453 transitions. [2023-08-25 22:01:27,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 453 transitions. [2023-08-25 22:01:27,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:27,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 453 transitions. [2023-08-25 22:01:27,058 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) [2023-08-25 22:01:27,060 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) [2023-08-25 22:01:27,060 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) [2023-08-25 22:01:27,060 INFO L175 Difference]: Start difference. First operand has 67 places, 78 transitions, 236 flow. Second operand 3 states and 453 transitions. [2023-08-25 22:01:27,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 143 transitions, 687 flow [2023-08-25 22:01:27,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 143 transitions, 665 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 22:01:27,067 INFO L231 Difference]: Finished difference. Result has 69 places, 84 transitions, 304 flow [2023-08-25 22:01:27,067 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} [2023-08-25 22:01:27,068 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -28 predicate places. [2023-08-25 22:01:27,068 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 84 transitions, 304 flow [2023-08-25 22:01:27,068 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) [2023-08-25 22:01:27,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:27,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 22:01:27,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 22:01:27,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err16ASSERT_VIOLATIONASSERT === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:27,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2104355134, now seen corresponding path program 1 times [2023-08-25 22:01:27,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:27,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508825148] [2023-08-25 22:01:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:27,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:27,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508825148] [2023-08-25 22:01:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508825148] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:27,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:27,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 22:01:27,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367414265] [2023-08-25 22:01:27,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:27,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 22:01:27,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:27,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 22:01:27,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 22:01:27,114 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 332 [2023-08-25 22:01:27,115 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) [2023-08-25 22:01:27,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:27,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 332 [2023-08-25 22:01:27,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:27,412 INFO L124 PetriNetUnfolderBase]: 2202/3723 cut-off events. [2023-08-25 22:01:27,412 INFO L125 PetriNetUnfolderBase]: For 2558/2694 co-relation queries the response was YES. [2023-08-25 22:01:27,419 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. [2023-08-25 22:01:27,440 INFO L140 encePairwiseOnDemand]: 325/332 looper letters, 110 selfloop transitions, 5 changer transitions 2/129 dead transitions. [2023-08-25 22:01:27,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 129 transitions, 733 flow [2023-08-25 22:01:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 22:01:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 22:01:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2023-08-25 22:01:27,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4327309236947791 [2023-08-25 22:01:27,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2023-08-25 22:01:27,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2023-08-25 22:01:27,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:27,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2023-08-25 22:01:27,444 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) [2023-08-25 22:01:27,446 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) [2023-08-25 22:01:27,447 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) [2023-08-25 22:01:27,447 INFO L175 Difference]: Start difference. First operand has 69 places, 84 transitions, 304 flow. Second operand 3 states and 431 transitions. [2023-08-25 22:01:27,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 129 transitions, 733 flow [2023-08-25 22:01:27,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 129 transitions, 697 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 22:01:27,456 INFO L231 Difference]: Finished difference. Result has 71 places, 86 transitions, 316 flow [2023-08-25 22:01:27,456 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} [2023-08-25 22:01:27,458 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -26 predicate places. [2023-08-25 22:01:27,459 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 86 transitions, 316 flow [2023-08-25 22:01:27,459 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) [2023-08-25 22:01:27,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:27,459 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 22:01:27,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 22:01:27,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err16ASSERT_VIOLATIONASSERT === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:27,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:27,460 INFO L85 PathProgramCache]: Analyzing trace with hash 711991228, now seen corresponding path program 1 times [2023-08-25 22:01:27,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:27,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83077539] [2023-08-25 22:01:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:27,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:27,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:27,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83077539] [2023-08-25 22:01:27,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83077539] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:27,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:27,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 22:01:27,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191182731] [2023-08-25 22:01:27,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:27,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 22:01:27,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:27,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 22:01:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 22:01:27,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 332 [2023-08-25 22:01:27,536 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) [2023-08-25 22:01:27,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:27,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 332 [2023-08-25 22:01:27,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:27,847 INFO L124 PetriNetUnfolderBase]: 2068/3499 cut-off events. [2023-08-25 22:01:27,848 INFO L125 PetriNetUnfolderBase]: For 1911/2023 co-relation queries the response was YES. [2023-08-25 22:01:27,853 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. [2023-08-25 22:01:27,862 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 105 selfloop transitions, 4 changer transitions 6/127 dead transitions. [2023-08-25 22:01:27,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 127 transitions, 717 flow [2023-08-25 22:01:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 22:01:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 22:01:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2023-08-25 22:01:27,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307228915662651 [2023-08-25 22:01:27,867 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2023-08-25 22:01:27,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2023-08-25 22:01:27,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:27,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2023-08-25 22:01:27,868 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) [2023-08-25 22:01:27,870 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) [2023-08-25 22:01:27,872 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) [2023-08-25 22:01:27,872 INFO L175 Difference]: Start difference. First operand has 71 places, 86 transitions, 316 flow. Second operand 3 states and 429 transitions. [2023-08-25 22:01:27,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 127 transitions, 717 flow [2023-08-25 22:01:27,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 127 transitions, 707 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 22:01:27,878 INFO L231 Difference]: Finished difference. Result has 72 places, 86 transitions, 322 flow [2023-08-25 22:01:27,879 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} [2023-08-25 22:01:27,881 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -25 predicate places. [2023-08-25 22:01:27,884 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 86 transitions, 322 flow [2023-08-25 22:01:27,884 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) [2023-08-25 22:01:27,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:27,884 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] [2023-08-25 22:01:27,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 22:01:27,885 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:27,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:27,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1912666806, now seen corresponding path program 1 times [2023-08-25 22:01:27,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:27,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096664886] [2023-08-25 22:01:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:27,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:27,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:27,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096664886] [2023-08-25 22:01:27,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096664886] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:27,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:27,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 22:01:27,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413762958] [2023-08-25 22:01:27,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:27,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 22:01:27,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:27,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 22:01:27,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 22:01:27,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 332 [2023-08-25 22:01:27,944 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) [2023-08-25 22:01:27,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:27,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 332 [2023-08-25 22:01:27,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:28,408 INFO L124 PetriNetUnfolderBase]: 3650/6059 cut-off events. [2023-08-25 22:01:28,409 INFO L125 PetriNetUnfolderBase]: For 4199/4419 co-relation queries the response was YES. [2023-08-25 22:01:28,424 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. [2023-08-25 22:01:28,442 INFO L140 encePairwiseOnDemand]: 325/332 looper letters, 114 selfloop transitions, 5 changer transitions 17/150 dead transitions. [2023-08-25 22:01:28,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 150 transitions, 837 flow [2023-08-25 22:01:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 22:01:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 22:01:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2023-08-25 22:01:28,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4678714859437751 [2023-08-25 22:01:28,445 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 466 transitions. [2023-08-25 22:01:28,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 466 transitions. [2023-08-25 22:01:28,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:28,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 466 transitions. [2023-08-25 22:01:28,446 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) [2023-08-25 22:01:28,449 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) [2023-08-25 22:01:28,449 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) [2023-08-25 22:01:28,449 INFO L175 Difference]: Start difference. First operand has 72 places, 86 transitions, 322 flow. Second operand 3 states and 466 transitions. [2023-08-25 22:01:28,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 150 transitions, 837 flow [2023-08-25 22:01:28,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 150 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 22:01:28,461 INFO L231 Difference]: Finished difference. Result has 75 places, 91 transitions, 362 flow [2023-08-25 22:01:28,462 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} [2023-08-25 22:01:28,465 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -22 predicate places. [2023-08-25 22:01:28,466 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 91 transitions, 362 flow [2023-08-25 22:01:28,466 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) [2023-08-25 22:01:28,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:28,466 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] [2023-08-25 22:01:28,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 22:01:28,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:28,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:28,467 INFO L85 PathProgramCache]: Analyzing trace with hash -554031086, now seen corresponding path program 2 times [2023-08-25 22:01:28,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:28,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71491525] [2023-08-25 22:01:28,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:28,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:28,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71491525] [2023-08-25 22:01:28,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71491525] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:28,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:28,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 22:01:28,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750830354] [2023-08-25 22:01:28,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:28,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 22:01:28,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:28,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 22:01:28,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 22:01:28,517 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 332 [2023-08-25 22:01:28,518 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) [2023-08-25 22:01:28,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:28,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 332 [2023-08-25 22:01:28,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:29,928 INFO L124 PetriNetUnfolderBase]: 10214/17067 cut-off events. [2023-08-25 22:01:29,928 INFO L125 PetriNetUnfolderBase]: For 13254/13924 co-relation queries the response was YES. [2023-08-25 22:01:29,967 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. [2023-08-25 22:01:30,010 INFO L140 encePairwiseOnDemand]: 328/332 looper letters, 243 selfloop transitions, 6 changer transitions 7/270 dead transitions. [2023-08-25 22:01:30,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 270 transitions, 1560 flow [2023-08-25 22:01:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 22:01:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 22:01:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 781 transitions. [2023-08-25 22:01:30,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47048192771084335 [2023-08-25 22:01:30,013 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 781 transitions. [2023-08-25 22:01:30,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 781 transitions. [2023-08-25 22:01:30,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:30,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 781 transitions. [2023-08-25 22:01:30,015 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) [2023-08-25 22:01:30,018 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) [2023-08-25 22:01:30,018 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) [2023-08-25 22:01:30,018 INFO L175 Difference]: Start difference. First operand has 75 places, 91 transitions, 362 flow. Second operand 5 states and 781 transitions. [2023-08-25 22:01:30,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 270 transitions, 1560 flow [2023-08-25 22:01:30,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 270 transitions, 1524 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 22:01:30,034 INFO L231 Difference]: Finished difference. Result has 81 places, 97 transitions, 404 flow [2023-08-25 22:01:30,034 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} [2023-08-25 22:01:30,035 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -16 predicate places. [2023-08-25 22:01:30,035 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 97 transitions, 404 flow [2023-08-25 22:01:30,035 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) [2023-08-25 22:01:30,035 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:30,035 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] [2023-08-25 22:01:30,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 22:01:30,036 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:30,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:30,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1622322670, now seen corresponding path program 3 times [2023-08-25 22:01:30,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:30,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998066711] [2023-08-25 22:01:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:30,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:30,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998066711] [2023-08-25 22:01:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998066711] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:30,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 22:01:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813115099] [2023-08-25 22:01:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:30,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 22:01:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 22:01:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 22:01:30,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 332 [2023-08-25 22:01:30,074 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) [2023-08-25 22:01:30,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:30,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 332 [2023-08-25 22:01:30,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:31,307 INFO L124 PetriNetUnfolderBase]: 9741/16138 cut-off events. [2023-08-25 22:01:31,307 INFO L125 PetriNetUnfolderBase]: For 11395/11889 co-relation queries the response was YES. [2023-08-25 22:01:31,339 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. [2023-08-25 22:01:31,367 INFO L140 encePairwiseOnDemand]: 317/332 looper letters, 114 selfloop transitions, 5 changer transitions 70/203 dead transitions. [2023-08-25 22:01:31,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 203 transitions, 1191 flow [2023-08-25 22:01:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 22:01:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 22:01:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 703 transitions. [2023-08-25 22:01:31,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4234939759036145 [2023-08-25 22:01:31,370 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 703 transitions. [2023-08-25 22:01:31,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 703 transitions. [2023-08-25 22:01:31,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:31,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 703 transitions. [2023-08-25 22:01:31,372 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) [2023-08-25 22:01:31,374 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) [2023-08-25 22:01:31,375 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) [2023-08-25 22:01:31,375 INFO L175 Difference]: Start difference. First operand has 81 places, 97 transitions, 404 flow. Second operand 5 states and 703 transitions. [2023-08-25 22:01:31,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 203 transitions, 1191 flow [2023-08-25 22:01:31,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 203 transitions, 1191 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 22:01:31,389 INFO L231 Difference]: Finished difference. Result has 89 places, 96 transitions, 458 flow [2023-08-25 22:01:31,389 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} [2023-08-25 22:01:31,389 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -8 predicate places. [2023-08-25 22:01:31,389 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 96 transitions, 458 flow [2023-08-25 22:01:31,390 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) [2023-08-25 22:01:31,390 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:31,390 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] [2023-08-25 22:01:31,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 22:01:31,390 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:31,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -28208338, now seen corresponding path program 4 times [2023-08-25 22:01:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:31,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915426263] [2023-08-25 22:01:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:31,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:31,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:31,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915426263] [2023-08-25 22:01:31,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915426263] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:31,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:31,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 22:01:31,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026474419] [2023-08-25 22:01:31,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:31,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 22:01:31,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:31,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 22:01:31,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 22:01:31,450 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 332 [2023-08-25 22:01:31,451 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) [2023-08-25 22:01:31,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:31,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 332 [2023-08-25 22:01:31,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:32,720 INFO L124 PetriNetUnfolderBase]: 11048/18941 cut-off events. [2023-08-25 22:01:32,720 INFO L125 PetriNetUnfolderBase]: For 18196/18798 co-relation queries the response was YES. [2023-08-25 22:01:32,772 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. [2023-08-25 22:01:32,803 INFO L140 encePairwiseOnDemand]: 328/332 looper letters, 201 selfloop transitions, 6 changer transitions 56/277 dead transitions. [2023-08-25 22:01:32,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 277 transitions, 1847 flow [2023-08-25 22:01:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 22:01:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 22:01:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 784 transitions. [2023-08-25 22:01:32,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.472289156626506 [2023-08-25 22:01:32,807 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 784 transitions. [2023-08-25 22:01:32,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 784 transitions. [2023-08-25 22:01:32,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:32,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 784 transitions. [2023-08-25 22:01:32,809 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) [2023-08-25 22:01:32,811 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) [2023-08-25 22:01:32,812 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) [2023-08-25 22:01:32,812 INFO L175 Difference]: Start difference. First operand has 89 places, 96 transitions, 458 flow. Second operand 5 states and 784 transitions. [2023-08-25 22:01:32,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 277 transitions, 1847 flow [2023-08-25 22:01:32,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 277 transitions, 1731 flow, removed 41 selfloop flow, removed 3 redundant places. [2023-08-25 22:01:32,846 INFO L231 Difference]: Finished difference. Result has 92 places, 100 transitions, 480 flow [2023-08-25 22:01:32,846 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} [2023-08-25 22:01:32,846 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2023-08-25 22:01:32,847 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 100 transitions, 480 flow [2023-08-25 22:01:32,847 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) [2023-08-25 22:01:32,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:32,847 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] [2023-08-25 22:01:32,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 22:01:32,847 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:32,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:32,848 INFO L85 PathProgramCache]: Analyzing trace with hash -542975111, now seen corresponding path program 1 times [2023-08-25 22:01:32,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:32,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014446726] [2023-08-25 22:01:32,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:32,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:32,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014446726] [2023-08-25 22:01:32,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014446726] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:32,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:32,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 22:01:32,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722802481] [2023-08-25 22:01:32,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:32,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 22:01:32,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:32,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 22:01:32,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 22:01:32,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 332 [2023-08-25 22:01:32,916 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) [2023-08-25 22:01:32,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:32,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 332 [2023-08-25 22:01:32,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:34,132 INFO L124 PetriNetUnfolderBase]: 9349/16162 cut-off events. [2023-08-25 22:01:34,132 INFO L125 PetriNetUnfolderBase]: For 14677/15181 co-relation queries the response was YES. [2023-08-25 22:01:34,172 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. [2023-08-25 22:01:34,192 INFO L140 encePairwiseOnDemand]: 324/332 looper letters, 92 selfloop transitions, 3 changer transitions 72/181 dead transitions. [2023-08-25 22:01:34,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 181 transitions, 1183 flow [2023-08-25 22:01:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 22:01:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 22:01:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 703 transitions. [2023-08-25 22:01:34,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4234939759036145 [2023-08-25 22:01:34,195 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 703 transitions. [2023-08-25 22:01:34,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 703 transitions. [2023-08-25 22:01:34,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:34,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 703 transitions. [2023-08-25 22:01:34,319 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) [2023-08-25 22:01:34,322 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) [2023-08-25 22:01:34,322 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) [2023-08-25 22:01:34,322 INFO L175 Difference]: Start difference. First operand has 92 places, 100 transitions, 480 flow. Second operand 5 states and 703 transitions. [2023-08-25 22:01:34,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 181 transitions, 1183 flow [2023-08-25 22:01:34,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 181 transitions, 1175 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-25 22:01:34,344 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 477 flow [2023-08-25 22:01:34,344 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} [2023-08-25 22:01:34,346 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, 2 predicate places. [2023-08-25 22:01:34,346 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 477 flow [2023-08-25 22:01:34,346 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) [2023-08-25 22:01:34,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 22:01:34,346 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] [2023-08-25 22:01:34,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 22:01:34,347 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2023-08-25 22:01:34,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 22:01:34,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1960602959, now seen corresponding path program 1 times [2023-08-25 22:01:34,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 22:01:34,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888991725] [2023-08-25 22:01:34,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 22:01:34,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 22:01:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 22:01:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 22:01:34,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 22:01:34,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888991725] [2023-08-25 22:01:34,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888991725] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 22:01:34,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 22:01:34,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 22:01:34,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444949431] [2023-08-25 22:01:34,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 22:01:34,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 22:01:34,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 22:01:34,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 22:01:34,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 22:01:34,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 332 [2023-08-25 22:01:34,405 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) [2023-08-25 22:01:34,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 22:01:34,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 332 [2023-08-25 22:01:34,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 22:01:35,058 INFO L124 PetriNetUnfolderBase]: 3965/6788 cut-off events. [2023-08-25 22:01:35,059 INFO L125 PetriNetUnfolderBase]: For 6185/6223 co-relation queries the response was YES. [2023-08-25 22:01:35,073 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. [2023-08-25 22:01:35,077 INFO L140 encePairwiseOnDemand]: 325/332 looper letters, 0 selfloop transitions, 0 changer transitions 147/147 dead transitions. [2023-08-25 22:01:35,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 147 transitions, 995 flow [2023-08-25 22:01:35,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 22:01:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 22:01:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 692 transitions. [2023-08-25 22:01:35,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41686746987951806 [2023-08-25 22:01:35,079 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 692 transitions. [2023-08-25 22:01:35,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 692 transitions. [2023-08-25 22:01:35,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 22:01:35,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 692 transitions. [2023-08-25 22:01:35,081 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) [2023-08-25 22:01:35,083 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) [2023-08-25 22:01:35,084 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) [2023-08-25 22:01:35,084 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 477 flow. Second operand 5 states and 692 transitions. [2023-08-25 22:01:35,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 147 transitions, 995 flow [2023-08-25 22:01:35,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 147 transitions, 881 flow, removed 33 selfloop flow, removed 10 redundant places. [2023-08-25 22:01:35,111 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2023-08-25 22:01:35,111 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} [2023-08-25 22:01:35,111 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -15 predicate places. [2023-08-25 22:01:35,112 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2023-08-25 22:01:35,112 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) [2023-08-25 22:01:35,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2023-08-25 22:01:35,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err18ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2023-08-25 22:01:35,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONASSERT (65 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2023-08-25 22:01:35,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2023-08-25 22:01:35,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONASSERT (46 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2023-08-25 22:01:35,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2023-08-25 22:01:35,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err18ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2023-08-25 22:01:35,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONASSERT (23 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2023-08-25 22:01:35,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2023-08-25 22:01:35,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONASSERT (4 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2023-08-25 22:01:35,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2023-08-25 22:01:35,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 22:01:35,127 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 22:01:35,132 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 22:01:35,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 22:01:35,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:01:35 BasicIcfg [2023-08-25 22:01:35,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 22:01:35,135 INFO L158 Benchmark]: Toolchain (without parser) took 14174.25ms. Allocated memory was 371.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 346.5MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 520.8MB. Max. memory is 16.0GB. [2023-08-25 22:01:35,135 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 371.2MB. Free memory is still 348.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 22:01:35,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.58ms. Allocated memory is still 371.2MB. Free memory was 346.5MB in the beginning and 325.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-08-25 22:01:35,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.61ms. Allocated memory is still 371.2MB. Free memory was 325.0MB in the beginning and 322.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 22:01:35,136 INFO L158 Benchmark]: Boogie Preprocessor took 61.76ms. Allocated memory is still 371.2MB. Free memory was 322.3MB in the beginning and 320.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 22:01:35,136 INFO L158 Benchmark]: RCFGBuilder took 636.72ms. Allocated memory is still 371.2MB. Free memory was 320.3MB in the beginning and 338.6MB in the end (delta: -18.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.0GB. [2023-08-25 22:01:35,136 INFO L158 Benchmark]: TraceAbstraction took 12905.65ms. Allocated memory was 371.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 337.5MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 510.1MB. Max. memory is 16.0GB. [2023-08-25 22:01:35,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 371.2MB. Free memory is still 348.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 488.58ms. Allocated memory is still 371.2MB. Free memory was 346.5MB in the beginning and 325.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 76.61ms. Allocated memory is still 371.2MB. Free memory was 325.0MB in the beginning and 322.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 61.76ms. Allocated memory is still 371.2MB. Free memory was 322.3MB in the beginning and 320.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 636.72ms. Allocated memory is still 371.2MB. Free memory was 320.3MB in the beginning and 338.6MB in the end (delta: -18.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.0GB. * TraceAbstraction took 12905.65ms. Allocated memory was 371.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 337.5MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 510.1MB. 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: 2.6s, 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: 12.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, 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, 1.1s 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, 0.5s 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! [2023-08-25 22:01:35,154 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...