/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/goblint-regression/09-regions_01-list_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 07:06:27,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 07:06:27,230 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 [2023-08-26 07:06:27,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 07:06:27,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 07:06:27,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 07:06:27,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 07:06:27,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 07:06:27,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 07:06:27,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 07:06:27,274 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 07:06:27,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 07:06:27,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 07:06:27,276 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 07:06:27,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 07:06:27,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 07:06:27,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 07:06:27,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 07:06:27,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 07:06:27,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 07:06:27,277 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 07:06:27,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 07:06:27,278 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 07:06:27,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 07:06:27,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 07:06:27,279 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 07:06:27,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 07:06:27,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 07:06:27,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 07:06:27,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 07:06:27,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 07:06:27,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 07:06:27,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 07:06:27,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 07:06:27,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 07:06:27,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 07:06:27,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 07:06:27,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 07:06:27,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 07:06:27,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 07:06:27,592 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 07:06:27,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2023-08-26 07:06:28,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 07:06:28,961 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 07:06:28,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2023-08-26 07:06:28,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d12b8f0/c8be4d95b7034681bdea54a43447dd1f/FLAGf9dce28f6 [2023-08-26 07:06:28,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d12b8f0/c8be4d95b7034681bdea54a43447dd1f [2023-08-26 07:06:28,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 07:06:28,994 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 07:06:28,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 07:06:28,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 07:06:28,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 07:06:28,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:06:28" (1/1) ... [2023-08-26 07:06:28,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ef656a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:28, skipping insertion in model container [2023-08-26 07:06:28,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:06:28" (1/1) ... [2023-08-26 07:06:29,045 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 07:06:29,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 07:06:29,603 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 07:06:29,626 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-26 07:06:29,627 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-26 07:06:29,641 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1044] [2023-08-26 07:06:29,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 07:06:29,762 INFO L206 MainTranslator]: Completed translation [2023-08-26 07:06:29,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29 WrapperNode [2023-08-26 07:06:29,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 07:06:29,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 07:06:29,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 07:06:29,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 07:06:29,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,845 INFO L138 Inliner]: procedures = 368, calls = 35, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2023-08-26 07:06:29,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 07:06:29,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 07:06:29,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 07:06:29,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 07:06:29,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 07:06:29,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 07:06:29,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 07:06:29,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 07:06:29,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (1/1) ... [2023-08-26 07:06:29,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 07:06:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 07:06:29,947 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) [2023-08-26 07:06:29,960 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 [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 07:06:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-26 07:06:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 07:06:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 07:06:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 07:06:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 07:06:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 07:06:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 07:06:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 07:06:29,985 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 07:06:30,153 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 07:06:30,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 07:06:30,524 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 07:06:30,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 07:06:30,531 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 07:06:30,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:06:30 BoogieIcfgContainer [2023-08-26 07:06:30,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 07:06:30,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 07:06:30,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 07:06:30,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 07:06:30,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:06:28" (1/3) ... [2023-08-26 07:06:30,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317e851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:06:30, skipping insertion in model container [2023-08-26 07:06:30,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:06:29" (2/3) ... [2023-08-26 07:06:30,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317e851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:06:30, skipping insertion in model container [2023-08-26 07:06:30,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:06:30" (3/3) ... [2023-08-26 07:06:30,540 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2023-08-26 07:06:30,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 07:06:30,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-26 07:06:30,555 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 07:06:30,614 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 07:06:30,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 194 transitions, 393 flow [2023-08-26 07:06:30,725 INFO L124 PetriNetUnfolderBase]: 0/193 cut-off events. [2023-08-26 07:06:30,725 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:06:30,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 193 events. 0/193 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-26 07:06:30,729 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 194 transitions, 393 flow [2023-08-26 07:06:30,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 193 transitions, 389 flow [2023-08-26 07:06:30,741 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 07:06:30,755 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 193 transitions, 389 flow [2023-08-26 07:06:30,762 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 193 transitions, 389 flow [2023-08-26 07:06:30,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 197 places, 193 transitions, 389 flow [2023-08-26 07:06:30,822 INFO L124 PetriNetUnfolderBase]: 0/193 cut-off events. [2023-08-26 07:06:30,822 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:06:30,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 193 events. 0/193 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-26 07:06:30,826 INFO L119 LiptonReduction]: Number of co-enabled transitions 4092 [2023-08-26 07:07:16,675 WARN L234 SmtUtils]: Spent 17.99s on a formula simplification that was a NOOP. DAG size: 287 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:07:26,195 WARN L234 SmtUtils]: Spent 9.51s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:07:36,660 WARN L234 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 287 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:07:41,086 INFO L134 LiptonReduction]: Checked pairs total: 34878 [2023-08-26 07:07:41,087 INFO L136 LiptonReduction]: Total number of compositions: 155 [2023-08-26 07:07:41,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 07:07:41,111 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;@2ac3775e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 07:07:41,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-08-26 07:07:41,113 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 07:07:41,113 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 07:07:41,113 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:07:41,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:41,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 07:07:41,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:41,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:41,118 INFO L85 PathProgramCache]: Analyzing trace with hash 632, now seen corresponding path program 1 times [2023-08-26 07:07:41,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:41,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544640585] [2023-08-26 07:07:41,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:41,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:41,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:41,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544640585] [2023-08-26 07:07:41,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544640585] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:41,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:41,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 07:07:41,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455682355] [2023-08-26 07:07:41,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:41,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 07:07:41,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:41,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 07:07:41,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 07:07:41,257 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 349 [2023-08-26 07:07:41,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 149 flow. Second operand has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2023-08-26 07:07:41,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:41,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 349 [2023-08-26 07:07:41,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:41,546 INFO L124 PetriNetUnfolderBase]: 78/405 cut-off events. [2023-08-26 07:07:41,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:07:41,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 405 events. 78/405 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1920 event pairs, 78 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 578. Up to 178 conditions per place. [2023-08-26 07:07:41,551 INFO L140 encePairwiseOnDemand]: 341/349 looper letters, 21 selfloop transitions, 0 changer transitions 0/65 dead transitions. [2023-08-26 07:07:41,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 175 flow [2023-08-26 07:07:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 07:07:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 07:07:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 415 transitions. [2023-08-26 07:07:41,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5945558739255015 [2023-08-26 07:07:41,571 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 415 transitions. [2023-08-26 07:07:41,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 415 transitions. [2023-08-26 07:07:41,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:41,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 415 transitions. [2023-08-26 07:07:41,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 207.5) internal successors, (415), 2 states have internal predecessors, (415), 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) [2023-08-26 07:07:41,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 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) [2023-08-26 07:07:41,586 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 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) [2023-08-26 07:07:41,588 INFO L175 Difference]: Start difference. First operand has 77 places, 73 transitions, 149 flow. Second operand 2 states and 415 transitions. [2023-08-26 07:07:41,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 175 flow [2023-08-26 07:07:41,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 65 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:07:41,592 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 132 flow [2023-08-26 07:07:41,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2023-08-26 07:07:41,597 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -8 predicate places. [2023-08-26 07:07:41,597 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 132 flow [2023-08-26 07:07:41,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2023-08-26 07:07:41,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:41,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-26 07:07:41,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 07:07:41,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:41,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:41,599 INFO L85 PathProgramCache]: Analyzing trace with hash 607996781, now seen corresponding path program 1 times [2023-08-26 07:07:41,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:41,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066300846] [2023-08-26 07:07:41,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:41,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:41,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066300846] [2023-08-26 07:07:41,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066300846] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:41,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:41,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:07:41,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645833875] [2023-08-26 07:07:41,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:41,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:07:41,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:07:41,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:07:41,826 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 349 [2023-08-26 07:07:41,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2023-08-26 07:07:41,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:41,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 349 [2023-08-26 07:07:41,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:42,064 INFO L124 PetriNetUnfolderBase]: 119/489 cut-off events. [2023-08-26 07:07:42,064 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:07:42,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 489 events. 119/489 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2352 event pairs, 119 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 755. Up to 264 conditions per place. [2023-08-26 07:07:42,067 INFO L140 encePairwiseOnDemand]: 345/349 looper letters, 25 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2023-08-26 07:07:42,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 178 flow [2023-08-26 07:07:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:07:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:07:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2023-08-26 07:07:42,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5291308500477555 [2023-08-26 07:07:42,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 554 transitions. [2023-08-26 07:07:42,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 554 transitions. [2023-08-26 07:07:42,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:42,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 554 transitions. [2023-08-26 07:07:42,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 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) [2023-08-26 07:07:42,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 349.0) internal successors, (1396), 4 states have internal predecessors, (1396), 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) [2023-08-26 07:07:42,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 349.0) internal successors, (1396), 4 states have internal predecessors, (1396), 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) [2023-08-26 07:07:42,074 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 132 flow. Second operand 3 states and 554 transitions. [2023-08-26 07:07:42,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 178 flow [2023-08-26 07:07:42,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 07:07:42,076 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 128 flow [2023-08-26 07:07:42,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2023-08-26 07:07:42,077 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -9 predicate places. [2023-08-26 07:07:42,077 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 128 flow [2023-08-26 07:07:42,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2023-08-26 07:07:42,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:42,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:42,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 07:07:42,078 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:42,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2109094868, now seen corresponding path program 1 times [2023-08-26 07:07:42,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:42,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608178014] [2023-08-26 07:07:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:42,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:42,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608178014] [2023-08-26 07:07:42,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608178014] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:42,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:42,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:07:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92565004] [2023-08-26 07:07:42,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:42,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:07:42,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:07:42,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:07:42,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 349 [2023-08-26 07:07:42,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 128 flow. Second operand has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 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) [2023-08-26 07:07:42,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:42,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 349 [2023-08-26 07:07:42,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:43,521 INFO L124 PetriNetUnfolderBase]: 665/1475 cut-off events. [2023-08-26 07:07:43,522 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:07:43,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 1475 events. 665/1475 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6978 event pairs, 534 based on Foata normal form. 0/1303 useless extension candidates. Maximal degree in co-relation 2867. Up to 1282 conditions per place. [2023-08-26 07:07:43,529 INFO L140 encePairwiseOnDemand]: 335/349 looper letters, 90 selfloop transitions, 37 changer transitions 0/134 dead transitions. [2023-08-26 07:07:43,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 134 transitions, 526 flow [2023-08-26 07:07:43,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:07:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:07:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 818 transitions. [2023-08-26 07:07:43,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39063992359121297 [2023-08-26 07:07:43,532 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 818 transitions. [2023-08-26 07:07:43,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 818 transitions. [2023-08-26 07:07:43,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:43,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 818 transitions. [2023-08-26 07:07:43,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.33333333333334) internal successors, (818), 6 states have internal predecessors, (818), 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) [2023-08-26 07:07:43,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:07:43,539 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:07:43,539 INFO L175 Difference]: Start difference. First operand has 68 places, 62 transitions, 128 flow. Second operand 6 states and 818 transitions. [2023-08-26 07:07:43,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 134 transitions, 526 flow [2023-08-26 07:07:43,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 134 transitions, 525 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:07:43,543 INFO L231 Difference]: Finished difference. Result has 76 places, 98 transitions, 339 flow [2023-08-26 07:07:43,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=339, PETRI_PLACES=76, PETRI_TRANSITIONS=98} [2023-08-26 07:07:43,544 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -1 predicate places. [2023-08-26 07:07:43,544 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 98 transitions, 339 flow [2023-08-26 07:07:43,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 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) [2023-08-26 07:07:43,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:43,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:43,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 07:07:43,546 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:43,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash -6498235, now seen corresponding path program 1 times [2023-08-26 07:07:43,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:43,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403752646] [2023-08-26 07:07:43,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:43,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:43,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:43,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403752646] [2023-08-26 07:07:43,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403752646] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:43,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:43,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:07:43,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346638354] [2023-08-26 07:07:43,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:43,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:07:43,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:43,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:07:43,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:07:43,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 349 [2023-08-26 07:07:43,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 98 transitions, 339 flow. Second operand has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 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) [2023-08-26 07:07:43,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:43,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 349 [2023-08-26 07:07:43,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:45,196 INFO L124 PetriNetUnfolderBase]: 1164/2546 cut-off events. [2023-08-26 07:07:45,196 INFO L125 PetriNetUnfolderBase]: For 426/426 co-relation queries the response was YES. [2023-08-26 07:07:45,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5936 conditions, 2546 events. 1164/2546 cut-off events. For 426/426 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 14372 event pairs, 137 based on Foata normal form. 0/2256 useless extension candidates. Maximal degree in co-relation 5928. Up to 1227 conditions per place. [2023-08-26 07:07:45,211 INFO L140 encePairwiseOnDemand]: 321/349 looper letters, 215 selfloop transitions, 77 changer transitions 0/298 dead transitions. [2023-08-26 07:07:45,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 298 transitions, 1466 flow [2023-08-26 07:07:45,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:07:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:07:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 934 transitions. [2023-08-26 07:07:45,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44603629417383 [2023-08-26 07:07:45,215 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 934 transitions. [2023-08-26 07:07:45,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 934 transitions. [2023-08-26 07:07:45,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:45,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 934 transitions. [2023-08-26 07:07:45,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 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) [2023-08-26 07:07:45,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:07:45,222 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:07:45,222 INFO L175 Difference]: Start difference. First operand has 76 places, 98 transitions, 339 flow. Second operand 6 states and 934 transitions. [2023-08-26 07:07:45,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 298 transitions, 1466 flow [2023-08-26 07:07:45,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 298 transitions, 1466 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 07:07:45,230 INFO L231 Difference]: Finished difference. Result has 85 places, 171 transitions, 913 flow [2023-08-26 07:07:45,230 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=913, PETRI_PLACES=85, PETRI_TRANSITIONS=171} [2023-08-26 07:07:45,231 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 8 predicate places. [2023-08-26 07:07:45,231 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 171 transitions, 913 flow [2023-08-26 07:07:45,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 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) [2023-08-26 07:07:45,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:45,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:45,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 07:07:45,232 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:45,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:45,233 INFO L85 PathProgramCache]: Analyzing trace with hash -558834508, now seen corresponding path program 1 times [2023-08-26 07:07:45,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:45,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415364303] [2023-08-26 07:07:45,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:45,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:45,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:45,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415364303] [2023-08-26 07:07:45,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415364303] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:45,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:45,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:07:45,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614840771] [2023-08-26 07:07:45,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:45,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:07:45,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:45,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:07:45,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:07:45,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 349 [2023-08-26 07:07:45,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 171 transitions, 913 flow. Second operand has 10 states, 10 states have (on average 98.3) internal successors, (983), 10 states have internal predecessors, (983), 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) [2023-08-26 07:07:45,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:45,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 349 [2023-08-26 07:07:45,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:47,291 INFO L124 PetriNetUnfolderBase]: 1184/2614 cut-off events. [2023-08-26 07:07:47,291 INFO L125 PetriNetUnfolderBase]: For 1926/1926 co-relation queries the response was YES. [2023-08-26 07:07:47,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7833 conditions, 2614 events. 1184/2614 cut-off events. For 1926/1926 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14668 event pairs, 487 based on Foata normal form. 0/2446 useless extension candidates. Maximal degree in co-relation 7820. Up to 2067 conditions per place. [2023-08-26 07:07:47,309 INFO L140 encePairwiseOnDemand]: 335/349 looper letters, 306 selfloop transitions, 64 changer transitions 4/379 dead transitions. [2023-08-26 07:07:47,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 379 transitions, 2581 flow [2023-08-26 07:07:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-26 07:07:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-26 07:07:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1696 transitions. [2023-08-26 07:07:47,315 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3239732569245463 [2023-08-26 07:07:47,315 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1696 transitions. [2023-08-26 07:07:47,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1696 transitions. [2023-08-26 07:07:47,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:47,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1696 transitions. [2023-08-26 07:07:47,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 113.06666666666666) internal successors, (1696), 15 states have internal predecessors, (1696), 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) [2023-08-26 07:07:47,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 349.0) internal successors, (5584), 16 states have internal predecessors, (5584), 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) [2023-08-26 07:07:47,327 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 349.0) internal successors, (5584), 16 states have internal predecessors, (5584), 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) [2023-08-26 07:07:47,328 INFO L175 Difference]: Start difference. First operand has 85 places, 171 transitions, 913 flow. Second operand 15 states and 1696 transitions. [2023-08-26 07:07:47,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 379 transitions, 2581 flow [2023-08-26 07:07:47,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 379 transitions, 2563 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-26 07:07:47,347 INFO L231 Difference]: Finished difference. Result has 104 places, 203 transitions, 1299 flow [2023-08-26 07:07:47,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1299, PETRI_PLACES=104, PETRI_TRANSITIONS=203} [2023-08-26 07:07:47,353 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 27 predicate places. [2023-08-26 07:07:47,353 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 203 transitions, 1299 flow [2023-08-26 07:07:47,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 98.3) internal successors, (983), 10 states have internal predecessors, (983), 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) [2023-08-26 07:07:47,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:47,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:47,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 07:07:47,354 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:47,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -305976718, now seen corresponding path program 1 times [2023-08-26 07:07:47,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939923738] [2023-08-26 07:07:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:47,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:47,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:47,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939923738] [2023-08-26 07:07:47,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939923738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:47,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:47,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:07:47,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895049012] [2023-08-26 07:07:47,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:47,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:07:47,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:47,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:07:47,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:07:47,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:07:47,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 203 transitions, 1299 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:47,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:47,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:07:47,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:49,895 INFO L124 PetriNetUnfolderBase]: 1580/3498 cut-off events. [2023-08-26 07:07:49,896 INFO L125 PetriNetUnfolderBase]: For 3376/3380 co-relation queries the response was YES. [2023-08-26 07:07:49,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11330 conditions, 3498 events. 1580/3498 cut-off events. For 3376/3380 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 21627 event pairs, 221 based on Foata normal form. 19/3271 useless extension candidates. Maximal degree in co-relation 11311. Up to 1183 conditions per place. [2023-08-26 07:07:49,921 INFO L140 encePairwiseOnDemand]: 317/349 looper letters, 394 selfloop transitions, 121 changer transitions 4/524 dead transitions. [2023-08-26 07:07:49,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 524 transitions, 3854 flow [2023-08-26 07:07:49,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-26 07:07:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-26 07:07:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1570 transitions. [2023-08-26 07:07:49,926 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3748806112702961 [2023-08-26 07:07:49,926 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1570 transitions. [2023-08-26 07:07:49,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1570 transitions. [2023-08-26 07:07:49,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:49,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1570 transitions. [2023-08-26 07:07:49,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 130.83333333333334) internal successors, (1570), 12 states have internal predecessors, (1570), 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) [2023-08-26 07:07:49,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2023-08-26 07:07:49,936 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2023-08-26 07:07:49,936 INFO L175 Difference]: Start difference. First operand has 104 places, 203 transitions, 1299 flow. Second operand 12 states and 1570 transitions. [2023-08-26 07:07:49,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 524 transitions, 3854 flow [2023-08-26 07:07:49,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 524 transitions, 3842 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-26 07:07:49,957 INFO L231 Difference]: Finished difference. Result has 125 places, 258 transitions, 2206 flow [2023-08-26 07:07:49,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2206, PETRI_PLACES=125, PETRI_TRANSITIONS=258} [2023-08-26 07:07:49,961 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 48 predicate places. [2023-08-26 07:07:49,961 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 258 transitions, 2206 flow [2023-08-26 07:07:49,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:49,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:49,962 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:49,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 07:07:49,962 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:49,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:49,962 INFO L85 PathProgramCache]: Analyzing trace with hash -126679612, now seen corresponding path program 2 times [2023-08-26 07:07:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:49,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627904868] [2023-08-26 07:07:49,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:49,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:50,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:50,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627904868] [2023-08-26 07:07:50,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627904868] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:50,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:50,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:07:50,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220311178] [2023-08-26 07:07:50,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:50,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:07:50,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:50,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:07:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:07:50,427 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:07:50,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 258 transitions, 2206 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:50,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:50,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:07:50,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:53,097 INFO L124 PetriNetUnfolderBase]: 1748/3856 cut-off events. [2023-08-26 07:07:53,097 INFO L125 PetriNetUnfolderBase]: For 7835/7849 co-relation queries the response was YES. [2023-08-26 07:07:53,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14341 conditions, 3856 events. 1748/3856 cut-off events. For 7835/7849 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 24211 event pairs, 379 based on Foata normal form. 35/3616 useless extension candidates. Maximal degree in co-relation 14312. Up to 2104 conditions per place. [2023-08-26 07:07:53,130 INFO L140 encePairwiseOnDemand]: 328/349 looper letters, 482 selfloop transitions, 95 changer transitions 6/588 dead transitions. [2023-08-26 07:07:53,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 588 transitions, 5119 flow [2023-08-26 07:07:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-26 07:07:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-26 07:07:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2152 transitions. [2023-08-26 07:07:53,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3425660617637695 [2023-08-26 07:07:53,137 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2152 transitions. [2023-08-26 07:07:53,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2152 transitions. [2023-08-26 07:07:53,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:53,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2152 transitions. [2023-08-26 07:07:53,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 119.55555555555556) internal successors, (2152), 18 states have internal predecessors, (2152), 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) [2023-08-26 07:07:53,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2023-08-26 07:07:53,153 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2023-08-26 07:07:53,153 INFO L175 Difference]: Start difference. First operand has 125 places, 258 transitions, 2206 flow. Second operand 18 states and 2152 transitions. [2023-08-26 07:07:53,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 588 transitions, 5119 flow [2023-08-26 07:07:53,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 588 transitions, 5107 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-26 07:07:53,200 INFO L231 Difference]: Finished difference. Result has 148 places, 301 transitions, 2901 flow [2023-08-26 07:07:53,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2194, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2901, PETRI_PLACES=148, PETRI_TRANSITIONS=301} [2023-08-26 07:07:53,202 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 71 predicate places. [2023-08-26 07:07:53,203 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 301 transitions, 2901 flow [2023-08-26 07:07:53,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:53,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:53,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:53,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 07:07:53,205 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:53,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash -87906598, now seen corresponding path program 3 times [2023-08-26 07:07:53,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:53,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695096757] [2023-08-26 07:07:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:53,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695096757] [2023-08-26 07:07:53,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695096757] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:53,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:53,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:07:53,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795707765] [2023-08-26 07:07:53,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:53,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:07:53,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:53,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:07:53,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:07:53,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:07:53,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 301 transitions, 2901 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:53,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:53,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:07:53,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:56,166 INFO L124 PetriNetUnfolderBase]: 2156/4793 cut-off events. [2023-08-26 07:07:56,166 INFO L125 PetriNetUnfolderBase]: For 14327/14348 co-relation queries the response was YES. [2023-08-26 07:07:56,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19456 conditions, 4793 events. 2156/4793 cut-off events. For 14327/14348 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 32020 event pairs, 300 based on Foata normal form. 32/4469 useless extension candidates. Maximal degree in co-relation 19421. Up to 1515 conditions per place. [2023-08-26 07:07:56,203 INFO L140 encePairwiseOnDemand]: 317/349 looper letters, 455 selfloop transitions, 162 changer transitions 4/626 dead transitions. [2023-08-26 07:07:56,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 626 transitions, 6125 flow [2023-08-26 07:07:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-26 07:07:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-26 07:07:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1674 transitions. [2023-08-26 07:07:56,210 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3689662772757329 [2023-08-26 07:07:56,210 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1674 transitions. [2023-08-26 07:07:56,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1674 transitions. [2023-08-26 07:07:56,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:56,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1674 transitions. [2023-08-26 07:07:56,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 128.76923076923077) internal successors, (1674), 13 states have internal predecessors, (1674), 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) [2023-08-26 07:07:56,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2023-08-26 07:07:56,220 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2023-08-26 07:07:56,220 INFO L175 Difference]: Start difference. First operand has 148 places, 301 transitions, 2901 flow. Second operand 13 states and 1674 transitions. [2023-08-26 07:07:56,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 626 transitions, 6125 flow [2023-08-26 07:07:56,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 626 transitions, 6113 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-26 07:07:56,299 INFO L231 Difference]: Finished difference. Result has 169 places, 354 transitions, 4241 flow [2023-08-26 07:07:56,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2891, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4241, PETRI_PLACES=169, PETRI_TRANSITIONS=354} [2023-08-26 07:07:56,301 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 92 predicate places. [2023-08-26 07:07:56,302 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 354 transitions, 4241 flow [2023-08-26 07:07:56,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:56,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:07:56,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:07:56,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 07:07:56,303 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:07:56,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:07:56,303 INFO L85 PathProgramCache]: Analyzing trace with hash -220077052, now seen corresponding path program 4 times [2023-08-26 07:07:56,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:07:56,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278872120] [2023-08-26 07:07:56,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:07:56,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:07:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:07:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:07:56,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:07:56,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278872120] [2023-08-26 07:07:56,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278872120] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:07:56,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:07:56,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:07:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098797279] [2023-08-26 07:07:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:07:56,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:07:56,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:07:56,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:07:56,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:07:56,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:07:56,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 354 transitions, 4241 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:07:56,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:07:56,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:07:56,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:07:59,690 INFO L124 PetriNetUnfolderBase]: 3179/7034 cut-off events. [2023-08-26 07:07:59,690 INFO L125 PetriNetUnfolderBase]: For 31713/31799 co-relation queries the response was YES. [2023-08-26 07:07:59,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31248 conditions, 7034 events. 3179/7034 cut-off events. For 31713/31799 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 52169 event pairs, 437 based on Foata normal form. 64/6563 useless extension candidates. Maximal degree in co-relation 31203. Up to 2029 conditions per place. [2023-08-26 07:07:59,824 INFO L140 encePairwiseOnDemand]: 321/349 looper letters, 570 selfloop transitions, 262 changer transitions 6/843 dead transitions. [2023-08-26 07:07:59,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 843 transitions, 10146 flow [2023-08-26 07:07:59,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-26 07:07:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-26 07:07:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1978 transitions. [2023-08-26 07:07:59,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3542263610315186 [2023-08-26 07:07:59,835 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1978 transitions. [2023-08-26 07:07:59,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1978 transitions. [2023-08-26 07:07:59,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:07:59,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1978 transitions. [2023-08-26 07:07:59,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 123.625) internal successors, (1978), 16 states have internal predecessors, (1978), 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) [2023-08-26 07:07:59,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2023-08-26 07:07:59,854 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2023-08-26 07:07:59,854 INFO L175 Difference]: Start difference. First operand has 169 places, 354 transitions, 4241 flow. Second operand 16 states and 1978 transitions. [2023-08-26 07:07:59,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 843 transitions, 10146 flow [2023-08-26 07:08:00,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 843 transitions, 10102 flow, removed 14 selfloop flow, removed 1 redundant places. [2023-08-26 07:08:00,077 INFO L231 Difference]: Finished difference. Result has 193 places, 486 transitions, 7269 flow [2023-08-26 07:08:00,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=4217, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7269, PETRI_PLACES=193, PETRI_TRANSITIONS=486} [2023-08-26 07:08:00,078 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 116 predicate places. [2023-08-26 07:08:00,078 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 486 transitions, 7269 flow [2023-08-26 07:08:00,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:00,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:00,079 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:00,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 07:08:00,082 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:00,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash -994184910, now seen corresponding path program 5 times [2023-08-26 07:08:00,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:00,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721635044] [2023-08-26 07:08:00,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:00,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:00,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721635044] [2023-08-26 07:08:00,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721635044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:00,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:00,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:00,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934228176] [2023-08-26 07:08:00,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:00,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:00,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:00,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:00,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:00,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:00,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 486 transitions, 7269 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:00,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:00,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:00,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:04,210 INFO L124 PetriNetUnfolderBase]: 3932/8700 cut-off events. [2023-08-26 07:08:04,210 INFO L125 PetriNetUnfolderBase]: For 59484/59638 co-relation queries the response was YES. [2023-08-26 07:08:04,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42318 conditions, 8700 events. 3932/8700 cut-off events. For 59484/59638 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 67881 event pairs, 792 based on Foata normal form. 118/8150 useless extension candidates. Maximal degree in co-relation 42263. Up to 3511 conditions per place. [2023-08-26 07:08:04,296 INFO L140 encePairwiseOnDemand]: 317/349 looper letters, 566 selfloop transitions, 315 changer transitions 4/890 dead transitions. [2023-08-26 07:08:04,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 890 transitions, 12717 flow [2023-08-26 07:08:04,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:08:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:08:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1766 transitions. [2023-08-26 07:08:04,302 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3614408514121981 [2023-08-26 07:08:04,302 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1766 transitions. [2023-08-26 07:08:04,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1766 transitions. [2023-08-26 07:08:04,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:04,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1766 transitions. [2023-08-26 07:08:04,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 126.14285714285714) internal successors, (1766), 14 states have internal predecessors, (1766), 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) [2023-08-26 07:08:04,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:04,316 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:04,316 INFO L175 Difference]: Start difference. First operand has 193 places, 486 transitions, 7269 flow. Second operand 14 states and 1766 transitions. [2023-08-26 07:08:04,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 890 transitions, 12717 flow [2023-08-26 07:08:04,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 890 transitions, 12633 flow, removed 35 selfloop flow, removed 3 redundant places. [2023-08-26 07:08:04,806 INFO L231 Difference]: Finished difference. Result has 215 places, 586 transitions, 10282 flow [2023-08-26 07:08:04,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=7197, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10282, PETRI_PLACES=215, PETRI_TRANSITIONS=586} [2023-08-26 07:08:04,808 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 138 predicate places. [2023-08-26 07:08:04,808 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 586 transitions, 10282 flow [2023-08-26 07:08:04,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:04,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:04,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:04,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-26 07:08:04,809 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:04,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash -537716208, now seen corresponding path program 6 times [2023-08-26 07:08:04,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:04,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007195003] [2023-08-26 07:08:04,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:05,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:05,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007195003] [2023-08-26 07:08:05,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007195003] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:05,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:05,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:05,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958221712] [2023-08-26 07:08:05,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:05,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:05,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:05,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:05,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:05,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:05,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 586 transitions, 10282 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:05,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:05,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:05,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:09,219 INFO L124 PetriNetUnfolderBase]: 4366/9681 cut-off events. [2023-08-26 07:08:09,219 INFO L125 PetriNetUnfolderBase]: For 89297/89511 co-relation queries the response was YES. [2023-08-26 07:08:09,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50594 conditions, 9681 events. 4366/9681 cut-off events. For 89297/89511 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 77623 event pairs, 712 based on Foata normal form. 157/9090 useless extension candidates. Maximal degree in co-relation 50528. Up to 3178 conditions per place. [2023-08-26 07:08:09,309 INFO L140 encePairwiseOnDemand]: 321/349 looper letters, 598 selfloop transitions, 400 changer transitions 6/1009 dead transitions. [2023-08-26 07:08:09,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 1009 transitions, 15833 flow [2023-08-26 07:08:09,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-26 07:08:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-26 07:08:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2227 transitions. [2023-08-26 07:08:09,314 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3545049347341611 [2023-08-26 07:08:09,314 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2227 transitions. [2023-08-26 07:08:09,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2227 transitions. [2023-08-26 07:08:09,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:09,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2227 transitions. [2023-08-26 07:08:09,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-08-26 07:08:09,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2023-08-26 07:08:09,327 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2023-08-26 07:08:09,328 INFO L175 Difference]: Start difference. First operand has 215 places, 586 transitions, 10282 flow. Second operand 18 states and 2227 transitions. [2023-08-26 07:08:09,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 1009 transitions, 15833 flow [2023-08-26 07:08:10,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 1009 transitions, 15779 flow, removed 27 selfloop flow, removed 0 redundant places. [2023-08-26 07:08:10,043 INFO L231 Difference]: Finished difference. Result has 244 places, 666 transitions, 13503 flow [2023-08-26 07:08:10,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=10240, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=321, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=13503, PETRI_PLACES=244, PETRI_TRANSITIONS=666} [2023-08-26 07:08:10,044 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 167 predicate places. [2023-08-26 07:08:10,044 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 666 transitions, 13503 flow [2023-08-26 07:08:10,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:10,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:10,045 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:10,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-26 07:08:10,045 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:10,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:10,046 INFO L85 PathProgramCache]: Analyzing trace with hash 67900634, now seen corresponding path program 7 times [2023-08-26 07:08:10,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:10,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851388268] [2023-08-26 07:08:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:10,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:10,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851388268] [2023-08-26 07:08:10,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851388268] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:10,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:10,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:10,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261637338] [2023-08-26 07:08:10,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:10,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:10,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:10,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:10,579 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:10,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 666 transitions, 13503 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:10,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:10,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:10,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:14,931 INFO L124 PetriNetUnfolderBase]: 5059/11202 cut-off events. [2023-08-26 07:08:14,931 INFO L125 PetriNetUnfolderBase]: For 139511/139792 co-relation queries the response was YES. [2023-08-26 07:08:15,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63235 conditions, 11202 events. 5059/11202 cut-off events. For 139511/139792 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 92629 event pairs, 1050 based on Foata normal form. 188/10512 useless extension candidates. Maximal degree in co-relation 63156. Up to 4721 conditions per place. [2023-08-26 07:08:15,046 INFO L140 encePairwiseOnDemand]: 317/349 looper letters, 661 selfloop transitions, 403 changer transitions 4/1073 dead transitions. [2023-08-26 07:08:15,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 1073 transitions, 20398 flow [2023-08-26 07:08:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:08:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:08:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1742 transitions. [2023-08-26 07:08:15,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3565288579615227 [2023-08-26 07:08:15,050 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1742 transitions. [2023-08-26 07:08:15,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1742 transitions. [2023-08-26 07:08:15,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:15,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1742 transitions. [2023-08-26 07:08:15,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 124.42857142857143) internal successors, (1742), 14 states have internal predecessors, (1742), 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) [2023-08-26 07:08:15,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:15,059 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:15,059 INFO L175 Difference]: Start difference. First operand has 244 places, 666 transitions, 13503 flow. Second operand 14 states and 1742 transitions. [2023-08-26 07:08:15,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 1073 transitions, 20398 flow [2023-08-26 07:08:16,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 1073 transitions, 20326 flow, removed 25 selfloop flow, removed 5 redundant places. [2023-08-26 07:08:16,159 INFO L231 Difference]: Finished difference. Result has 264 places, 760 transitions, 17397 flow [2023-08-26 07:08:16,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=13450, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17397, PETRI_PLACES=264, PETRI_TRANSITIONS=760} [2023-08-26 07:08:16,160 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 187 predicate places. [2023-08-26 07:08:16,160 INFO L495 AbstractCegarLoop]: Abstraction has has 264 places, 760 transitions, 17397 flow [2023-08-26 07:08:16,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:16,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:16,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:16,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-26 07:08:16,161 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:16,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:16,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1300001976, now seen corresponding path program 8 times [2023-08-26 07:08:16,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:16,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443746163] [2023-08-26 07:08:16,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:16,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443746163] [2023-08-26 07:08:16,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443746163] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:16,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:16,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:16,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58286017] [2023-08-26 07:08:16,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:16,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:16,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:16,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:16,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:16,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:16,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 760 transitions, 17397 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:16,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:16,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:16,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:21,585 INFO L124 PetriNetUnfolderBase]: 5443/12011 cut-off events. [2023-08-26 07:08:21,586 INFO L125 PetriNetUnfolderBase]: For 188323/188687 co-relation queries the response was YES. [2023-08-26 07:08:21,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71762 conditions, 12011 events. 5443/12011 cut-off events. For 188323/188687 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 101123 event pairs, 849 based on Foata normal form. 273/11324 useless extension candidates. Maximal degree in co-relation 71672. Up to 3547 conditions per place. [2023-08-26 07:08:21,762 INFO L140 encePairwiseOnDemand]: 321/349 looper letters, 676 selfloop transitions, 477 changer transitions 6/1164 dead transitions. [2023-08-26 07:08:21,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1164 transitions, 23606 flow [2023-08-26 07:08:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:08:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:08:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2102 transitions. [2023-08-26 07:08:21,767 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35428956682959717 [2023-08-26 07:08:21,767 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2102 transitions. [2023-08-26 07:08:21,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2102 transitions. [2023-08-26 07:08:21,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:21,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2102 transitions. [2023-08-26 07:08:21,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 123.6470588235294) internal successors, (2102), 17 states have internal predecessors, (2102), 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) [2023-08-26 07:08:21,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2023-08-26 07:08:21,777 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2023-08-26 07:08:21,777 INFO L175 Difference]: Start difference. First operand has 264 places, 760 transitions, 17397 flow. Second operand 17 states and 2102 transitions. [2023-08-26 07:08:21,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 1164 transitions, 23606 flow [2023-08-26 07:08:23,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 1164 transitions, 23524 flow, removed 41 selfloop flow, removed 0 redundant places. [2023-08-26 07:08:23,650 INFO L231 Difference]: Finished difference. Result has 291 places, 825 transitions, 20954 flow [2023-08-26 07:08:23,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=17325, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=412, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=20954, PETRI_PLACES=291, PETRI_TRANSITIONS=825} [2023-08-26 07:08:23,651 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 214 predicate places. [2023-08-26 07:08:23,651 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 825 transitions, 20954 flow [2023-08-26 07:08:23,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:23,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:23,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:23,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-26 07:08:23,652 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:23,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:23,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1012024290, now seen corresponding path program 9 times [2023-08-26 07:08:23,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:23,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489550454] [2023-08-26 07:08:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:23,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:24,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:24,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489550454] [2023-08-26 07:08:24,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489550454] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:24,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:24,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:24,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691961674] [2023-08-26 07:08:24,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:24,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:24,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:24,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:24,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:24,089 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:24,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 825 transitions, 20954 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:24,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:24,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:24,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:30,009 INFO L124 PetriNetUnfolderBase]: 5884/12965 cut-off events. [2023-08-26 07:08:30,009 INFO L125 PetriNetUnfolderBase]: For 255854/256307 co-relation queries the response was YES. [2023-08-26 07:08:30,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82381 conditions, 12965 events. 5884/12965 cut-off events. For 255854/256307 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 111084 event pairs, 803 based on Foata normal form. 324/12242 useless extension candidates. Maximal degree in co-relation 82279. Up to 4542 conditions per place. [2023-08-26 07:08:30,268 INFO L140 encePairwiseOnDemand]: 318/349 looper letters, 610 selfloop transitions, 560 changer transitions 4/1179 dead transitions. [2023-08-26 07:08:30,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 1179 transitions, 27713 flow [2023-08-26 07:08:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:08:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:08:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1727 transitions. [2023-08-26 07:08:30,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3534588620548506 [2023-08-26 07:08:30,271 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1727 transitions. [2023-08-26 07:08:30,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1727 transitions. [2023-08-26 07:08:30,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:30,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1727 transitions. [2023-08-26 07:08:30,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 123.35714285714286) internal successors, (1727), 14 states have internal predecessors, (1727), 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) [2023-08-26 07:08:30,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:30,279 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:30,279 INFO L175 Difference]: Start difference. First operand has 291 places, 825 transitions, 20954 flow. Second operand 14 states and 1727 transitions. [2023-08-26 07:08:30,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 1179 transitions, 27713 flow [2023-08-26 07:08:31,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 1179 transitions, 27639 flow, removed 28 selfloop flow, removed 4 redundant places. [2023-08-26 07:08:31,821 INFO L231 Difference]: Finished difference. Result has 312 places, 894 transitions, 25296 flow [2023-08-26 07:08:31,821 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=20888, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=825, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=25296, PETRI_PLACES=312, PETRI_TRANSITIONS=894} [2023-08-26 07:08:31,822 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 235 predicate places. [2023-08-26 07:08:31,822 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 894 transitions, 25296 flow [2023-08-26 07:08:31,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:31,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:31,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:31,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-26 07:08:31,823 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:31,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:31,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1298277360, now seen corresponding path program 10 times [2023-08-26 07:08:31,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:31,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107400110] [2023-08-26 07:08:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:31,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:32,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:32,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107400110] [2023-08-26 07:08:32,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107400110] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:32,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:32,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:32,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097795654] [2023-08-26 07:08:32,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:32,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:32,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:32,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:32,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:32,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:32,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 894 transitions, 25296 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:32,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:32,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:32,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:38,290 INFO L124 PetriNetUnfolderBase]: 6279/13857 cut-off events. [2023-08-26 07:08:38,290 INFO L125 PetriNetUnfolderBase]: For 339014/339467 co-relation queries the response was YES. [2023-08-26 07:08:38,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92992 conditions, 13857 events. 6279/13857 cut-off events. For 339014/339467 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 120633 event pairs, 909 based on Foata normal form. 334/13064 useless extension candidates. Maximal degree in co-relation 92879. Up to 5072 conditions per place. [2023-08-26 07:08:38,434 INFO L140 encePairwiseOnDemand]: 320/349 looper letters, 564 selfloop transitions, 595 changer transitions 4/1168 dead transitions. [2023-08-26 07:08:38,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 1168 transitions, 30888 flow [2023-08-26 07:08:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-26 07:08:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-26 07:08:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1587 transitions. [2023-08-26 07:08:38,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34979061053559624 [2023-08-26 07:08:38,437 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1587 transitions. [2023-08-26 07:08:38,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1587 transitions. [2023-08-26 07:08:38,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:38,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1587 transitions. [2023-08-26 07:08:38,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 122.07692307692308) internal successors, (1587), 13 states have internal predecessors, (1587), 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) [2023-08-26 07:08:38,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2023-08-26 07:08:38,443 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2023-08-26 07:08:38,443 INFO L175 Difference]: Start difference. First operand has 312 places, 894 transitions, 25296 flow. Second operand 13 states and 1587 transitions. [2023-08-26 07:08:38,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 1168 transitions, 30888 flow [2023-08-26 07:08:40,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 1168 transitions, 30714 flow, removed 87 selfloop flow, removed 0 redundant places. [2023-08-26 07:08:40,656 INFO L231 Difference]: Finished difference. Result has 334 places, 940 transitions, 29146 flow [2023-08-26 07:08:40,657 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=25148, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=894, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=549, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=29146, PETRI_PLACES=334, PETRI_TRANSITIONS=940} [2023-08-26 07:08:40,657 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 257 predicate places. [2023-08-26 07:08:40,658 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 940 transitions, 29146 flow [2023-08-26 07:08:40,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:40,658 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:40,658 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:40,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-26 07:08:40,658 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:40,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:40,658 INFO L85 PathProgramCache]: Analyzing trace with hash -79603558, now seen corresponding path program 11 times [2023-08-26 07:08:40,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:40,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475012719] [2023-08-26 07:08:40,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:40,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:41,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:41,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475012719] [2023-08-26 07:08:41,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475012719] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:41,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:41,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:41,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018016194] [2023-08-26 07:08:41,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:41,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:41,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:41,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:41,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:41,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:41,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 940 transitions, 29146 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:41,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:41,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:41,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:08:48,548 INFO L124 PetriNetUnfolderBase]: 6702/14894 cut-off events. [2023-08-26 07:08:48,548 INFO L125 PetriNetUnfolderBase]: For 439598/440082 co-relation queries the response was YES. [2023-08-26 07:08:48,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104341 conditions, 14894 events. 6702/14894 cut-off events. For 439598/440082 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 132031 event pairs, 1399 based on Foata normal form. 392/14089 useless extension candidates. Maximal degree in co-relation 104218. Up to 5282 conditions per place. [2023-08-26 07:08:48,709 INFO L140 encePairwiseOnDemand]: 317/349 looper letters, 663 selfloop transitions, 629 changer transitions 4/1301 dead transitions. [2023-08-26 07:08:48,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 1301 transitions, 35718 flow [2023-08-26 07:08:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:08:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:08:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1789 transitions. [2023-08-26 07:08:48,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36614817846909536 [2023-08-26 07:08:48,712 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1789 transitions. [2023-08-26 07:08:48,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1789 transitions. [2023-08-26 07:08:48,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:08:48,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1789 transitions. [2023-08-26 07:08:48,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 127.78571428571429) internal successors, (1789), 14 states have internal predecessors, (1789), 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) [2023-08-26 07:08:48,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:48,717 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:08:48,718 INFO L175 Difference]: Start difference. First operand has 334 places, 940 transitions, 29146 flow. Second operand 14 states and 1789 transitions. [2023-08-26 07:08:48,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 1301 transitions, 35718 flow [2023-08-26 07:08:51,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 1301 transitions, 35577 flow, removed 61 selfloop flow, removed 1 redundant places. [2023-08-26 07:08:51,603 INFO L231 Difference]: Finished difference. Result has 356 places, 994 transitions, 33448 flow [2023-08-26 07:08:51,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=29007, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=576, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=33448, PETRI_PLACES=356, PETRI_TRANSITIONS=994} [2023-08-26 07:08:51,604 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 279 predicate places. [2023-08-26 07:08:51,604 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 994 transitions, 33448 flow [2023-08-26 07:08:51,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:51,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:08:51,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:08:51,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-26 07:08:51,605 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:08:51,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:08:51,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1272134940, now seen corresponding path program 12 times [2023-08-26 07:08:51,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:08:51,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221896626] [2023-08-26 07:08:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:08:51,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:08:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:08:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:08:51,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:08:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221896626] [2023-08-26 07:08:51,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221896626] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:08:51,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:08:51,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:08:51,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122069574] [2023-08-26 07:08:51,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:08:51,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:08:51,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:08:51,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:08:51,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:08:51,999 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:08:52,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 994 transitions, 33448 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:08:52,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:08:52,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:08:52,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:09:00,082 INFO L124 PetriNetUnfolderBase]: 7079/15623 cut-off events. [2023-08-26 07:09:00,082 INFO L125 PetriNetUnfolderBase]: For 541640/542227 co-relation queries the response was YES. [2023-08-26 07:09:00,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115460 conditions, 15623 events. 7079/15623 cut-off events. For 541640/542227 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 139626 event pairs, 1023 based on Foata normal form. 456/14793 useless extension candidates. Maximal degree in co-relation 115327. Up to 6064 conditions per place. [2023-08-26 07:09:00,260 INFO L140 encePairwiseOnDemand]: 318/349 looper letters, 615 selfloop transitions, 711 changer transitions 4/1335 dead transitions. [2023-08-26 07:09:00,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 1335 transitions, 40360 flow [2023-08-26 07:09:00,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:09:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:09:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1749 transitions. [2023-08-26 07:09:00,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3579615227179697 [2023-08-26 07:09:00,262 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1749 transitions. [2023-08-26 07:09:00,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1749 transitions. [2023-08-26 07:09:00,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:09:00,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1749 transitions. [2023-08-26 07:09:00,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 124.92857142857143) internal successors, (1749), 14 states have internal predecessors, (1749), 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) [2023-08-26 07:09:00,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:09:00,267 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:09:00,267 INFO L175 Difference]: Start difference. First operand has 356 places, 994 transitions, 33448 flow. Second operand 14 states and 1749 transitions. [2023-08-26 07:09:00,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 1335 transitions, 40360 flow [2023-08-26 07:09:04,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1335 transitions, 40204 flow, removed 56 selfloop flow, removed 1 redundant places. [2023-08-26 07:09:04,332 INFO L231 Difference]: Finished difference. Result has 380 places, 1053 transitions, 38441 flow [2023-08-26 07:09:04,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=33312, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=654, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38441, PETRI_PLACES=380, PETRI_TRANSITIONS=1053} [2023-08-26 07:09:04,333 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 303 predicate places. [2023-08-26 07:09:04,333 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 1053 transitions, 38441 flow [2023-08-26 07:09:04,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:09:04,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:09:04,333 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:09:04,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-26 07:09:04,334 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:09:04,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:09:04,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1289974320, now seen corresponding path program 13 times [2023-08-26 07:09:04,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:09:04,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352976570] [2023-08-26 07:09:04,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:09:04,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:09:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:09:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:09:04,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:09:04,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352976570] [2023-08-26 07:09:04,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352976570] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:09:04,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:09:04,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:09:04,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105323254] [2023-08-26 07:09:04,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:09:04,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:09:04,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:09:04,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:09:04,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:09:04,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 349 [2023-08-26 07:09:04,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 1053 transitions, 38441 flow. Second operand has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:09:04,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:09:04,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 349 [2023-08-26 07:09:04,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:09:13,704 INFO L124 PetriNetUnfolderBase]: 7456/16494 cut-off events. [2023-08-26 07:09:13,705 INFO L125 PetriNetUnfolderBase]: For 676248/676831 co-relation queries the response was YES. [2023-08-26 07:09:13,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127442 conditions, 16494 events. 7456/16494 cut-off events. For 676248/676831 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 148759 event pairs, 1216 based on Foata normal form. 416/15549 useless extension candidates. Maximal degree in co-relation 127298. Up to 5760 conditions per place. [2023-08-26 07:09:13,911 INFO L140 encePairwiseOnDemand]: 319/349 looper letters, 645 selfloop transitions, 697 changer transitions 4/1351 dead transitions. [2023-08-26 07:09:13,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1351 transitions, 45191 flow [2023-08-26 07:09:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:09:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:09:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1705 transitions. [2023-08-26 07:09:13,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3489562013917315 [2023-08-26 07:09:13,913 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1705 transitions. [2023-08-26 07:09:13,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1705 transitions. [2023-08-26 07:09:13,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:09:13,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1705 transitions. [2023-08-26 07:09:13,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 121.78571428571429) internal successors, (1705), 14 states have internal predecessors, (1705), 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) [2023-08-26 07:09:13,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:09:13,917 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2023-08-26 07:09:13,917 INFO L175 Difference]: Start difference. First operand has 380 places, 1053 transitions, 38441 flow. Second operand 14 states and 1705 transitions. [2023-08-26 07:09:13,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1351 transitions, 45191 flow [2023-08-26 07:09:19,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 1351 transitions, 45075 flow, removed 58 selfloop flow, removed 0 redundant places. [2023-08-26 07:09:19,985 INFO L231 Difference]: Finished difference. Result has 403 places, 1101 transitions, 43258 flow [2023-08-26 07:09:19,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=38335, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=649, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=43258, PETRI_PLACES=403, PETRI_TRANSITIONS=1101} [2023-08-26 07:09:19,986 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 326 predicate places. [2023-08-26 07:09:19,986 INFO L495 AbstractCegarLoop]: Abstraction has has 403 places, 1101 transitions, 43258 flow [2023-08-26 07:09:19,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 100.3) internal successors, (1003), 10 states have internal predecessors, (1003), 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) [2023-08-26 07:09:19,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:09:19,987 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:09:19,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-26 07:09:19,987 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:09:19,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:09:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1141787270, now seen corresponding path program 1 times [2023-08-26 07:09:19,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:09:19,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367681670] [2023-08-26 07:09:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:09:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:09:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:09:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:09:20,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:09:20,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367681670] [2023-08-26 07:09:20,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367681670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:09:20,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:09:20,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:09:20,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389512516] [2023-08-26 07:09:20,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:09:20,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:09:20,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:09:20,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:09:20,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:09:20,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 349 [2023-08-26 07:09:20,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 1101 transitions, 43258 flow. Second operand has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2023-08-26 07:09:20,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:09:20,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 349 [2023-08-26 07:09:20,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:09:29,084 INFO L124 PetriNetUnfolderBase]: 8047/17812 cut-off events. [2023-08-26 07:09:29,084 INFO L125 PetriNetUnfolderBase]: For 833770/833858 co-relation queries the response was YES. [2023-08-26 07:09:29,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140331 conditions, 17812 events. 8047/17812 cut-off events. For 833770/833858 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 162343 event pairs, 3453 based on Foata normal form. 27/16403 useless extension candidates. Maximal degree in co-relation 140177. Up to 15491 conditions per place. [2023-08-26 07:09:29,311 INFO L140 encePairwiseOnDemand]: 335/349 looper letters, 1207 selfloop transitions, 170 changer transitions 0/1384 dead transitions. [2023-08-26 07:09:29,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 1384 transitions, 55534 flow [2023-08-26 07:09:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:09:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:09:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 813 transitions. [2023-08-26 07:09:29,313 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38825214899713467 [2023-08-26 07:09:29,313 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 813 transitions. [2023-08-26 07:09:29,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 813 transitions. [2023-08-26 07:09:29,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:09:29,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 813 transitions. [2023-08-26 07:09:29,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 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) [2023-08-26 07:09:29,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:09:29,315 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:09:29,315 INFO L175 Difference]: Start difference. First operand has 403 places, 1101 transitions, 43258 flow. Second operand 6 states and 813 transitions. [2023-08-26 07:09:29,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 1384 transitions, 55534 flow [2023-08-26 07:09:35,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 1384 transitions, 55259 flow, removed 87 selfloop flow, removed 3 redundant places. [2023-08-26 07:09:35,934 INFO L231 Difference]: Finished difference. Result has 409 places, 1240 transitions, 46913 flow [2023-08-26 07:09:35,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=43057, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1003, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=46913, PETRI_PLACES=409, PETRI_TRANSITIONS=1240} [2023-08-26 07:09:35,935 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 332 predicate places. [2023-08-26 07:09:35,936 INFO L495 AbstractCegarLoop]: Abstraction has has 409 places, 1240 transitions, 46913 flow [2023-08-26 07:09:35,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2023-08-26 07:09:35,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:09:35,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:09:35,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-26 07:09:35,936 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:09:35,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:09:35,936 INFO L85 PathProgramCache]: Analyzing trace with hash 94692759, now seen corresponding path program 1 times [2023-08-26 07:09:35,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:09:35,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802499928] [2023-08-26 07:09:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:09:35,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:09:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:09:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:09:36,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:09:36,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802499928] [2023-08-26 07:09:36,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802499928] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:09:36,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:09:36,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:09:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327626622] [2023-08-26 07:09:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:09:36,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:09:36,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:09:36,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:09:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:09:36,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 349 [2023-08-26 07:09:36,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 1240 transitions, 46913 flow. Second operand has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2023-08-26 07:09:36,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:09:36,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 349 [2023-08-26 07:09:36,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:09:47,943 INFO L124 PetriNetUnfolderBase]: 10155/22559 cut-off events. [2023-08-26 07:09:47,943 INFO L125 PetriNetUnfolderBase]: For 1027995/1028096 co-relation queries the response was YES. [2023-08-26 07:09:48,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183306 conditions, 22559 events. 10155/22559 cut-off events. For 1027995/1028096 co-relation queries the response was YES. Maximal size of possible extension queue 749. Compared 218985 event pairs, 1183 based on Foata normal form. 30/21241 useless extension candidates. Maximal degree in co-relation 183148. Up to 13623 conditions per place. [2023-08-26 07:09:48,321 INFO L140 encePairwiseOnDemand]: 327/349 looper letters, 1569 selfloop transitions, 746 changer transitions 8/2330 dead transitions. [2023-08-26 07:09:48,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 2330 transitions, 94813 flow [2023-08-26 07:09:48,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:09:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:09:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 891 transitions. [2023-08-26 07:09:48,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42550143266475643 [2023-08-26 07:09:48,323 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 891 transitions. [2023-08-26 07:09:48,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 891 transitions. [2023-08-26 07:09:48,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:09:48,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 891 transitions. [2023-08-26 07:09:48,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 148.5) internal successors, (891), 6 states have internal predecessors, (891), 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) [2023-08-26 07:09:48,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:09:48,325 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 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) [2023-08-26 07:09:48,325 INFO L175 Difference]: Start difference. First operand has 409 places, 1240 transitions, 46913 flow. Second operand 6 states and 891 transitions. [2023-08-26 07:09:48,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 2330 transitions, 94813 flow [2023-08-26 07:09:59,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 2330 transitions, 94445 flow, removed 184 selfloop flow, removed 0 redundant places. [2023-08-26 07:09:59,402 INFO L231 Difference]: Finished difference. Result has 419 places, 1808 transitions, 75299 flow [2023-08-26 07:09:59,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=46545, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=932, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=75299, PETRI_PLACES=419, PETRI_TRANSITIONS=1808} [2023-08-26 07:09:59,404 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 342 predicate places. [2023-08-26 07:09:59,404 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 1808 transitions, 75299 flow [2023-08-26 07:09:59,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2023-08-26 07:09:59,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:09:59,404 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] [2023-08-26 07:09:59,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-26 07:09:59,404 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:09:59,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:09:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 29421568, now seen corresponding path program 1 times [2023-08-26 07:09:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:09:59,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750193941] [2023-08-26 07:09:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:09:59,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:09:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:09:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:09:59,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:09:59,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750193941] [2023-08-26 07:09:59,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750193941] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:09:59,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:09:59,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:09:59,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683306403] [2023-08-26 07:09:59,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:09:59,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:09:59,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:09:59,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:09:59,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:09:59,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 349 [2023-08-26 07:09:59,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 1808 transitions, 75299 flow. Second operand has 10 states, 10 states have (on average 98.9) internal successors, (989), 10 states have internal predecessors, (989), 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) [2023-08-26 07:09:59,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:09:59,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 349 [2023-08-26 07:09:59,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:15,587 INFO L124 PetriNetUnfolderBase]: 10171/22845 cut-off events. [2023-08-26 07:10:15,587 INFO L125 PetriNetUnfolderBase]: For 1065834/1066034 co-relation queries the response was YES. [2023-08-26 07:10:15,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198801 conditions, 22845 events. 10171/22845 cut-off events. For 1065834/1066034 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 220278 event pairs, 2780 based on Foata normal form. 183/22194 useless extension candidates. Maximal degree in co-relation 198638. Up to 17068 conditions per place. [2023-08-26 07:10:16,025 INFO L140 encePairwiseOnDemand]: 335/349 looper letters, 1619 selfloop transitions, 490 changer transitions 4/2118 dead transitions. [2023-08-26 07:10:16,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 2118 transitions, 87776 flow [2023-08-26 07:10:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-26 07:10:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-26 07:10:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1689 transitions. [2023-08-26 07:10:16,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3226361031518625 [2023-08-26 07:10:16,027 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1689 transitions. [2023-08-26 07:10:16,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1689 transitions. [2023-08-26 07:10:16,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:16,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1689 transitions. [2023-08-26 07:10:16,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 112.6) internal successors, (1689), 15 states have internal predecessors, (1689), 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) [2023-08-26 07:10:16,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 349.0) internal successors, (5584), 16 states have internal predecessors, (5584), 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) [2023-08-26 07:10:16,032 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 349.0) internal successors, (5584), 16 states have internal predecessors, (5584), 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) [2023-08-26 07:10:16,033 INFO L175 Difference]: Start difference. First operand has 419 places, 1808 transitions, 75299 flow. Second operand 15 states and 1689 transitions. [2023-08-26 07:10:16,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 2118 transitions, 87776 flow [2023-08-26 07:10:28,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 2118 transitions, 86960 flow, removed 408 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:28,076 INFO L231 Difference]: Finished difference. Result has 437 places, 1898 transitions, 79472 flow [2023-08-26 07:10:28,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=74507, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1808, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=406, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=79472, PETRI_PLACES=437, PETRI_TRANSITIONS=1898} [2023-08-26 07:10:28,078 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 360 predicate places. [2023-08-26 07:10:28,078 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 1898 transitions, 79472 flow [2023-08-26 07:10:28,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 98.9) internal successors, (989), 10 states have internal predecessors, (989), 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) [2023-08-26 07:10:28,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:28,078 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] [2023-08-26 07:10:28,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-26 07:10:28,078 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:28,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:28,079 INFO L85 PathProgramCache]: Analyzing trace with hash -5922688, now seen corresponding path program 1 times [2023-08-26 07:10:28,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:28,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458762601] [2023-08-26 07:10:28,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:28,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:28,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:28,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458762601] [2023-08-26 07:10:28,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458762601] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:28,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:28,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:10:28,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949246825] [2023-08-26 07:10:28,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:28,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:10:28,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:28,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:10:28,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:10:28,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:10:28,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 1898 transitions, 79472 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:10:28,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:28,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:10:28,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:55,545 INFO L124 PetriNetUnfolderBase]: 16586/36379 cut-off events. [2023-08-26 07:10:55,545 INFO L125 PetriNetUnfolderBase]: For 1728336/1728386 co-relation queries the response was YES. [2023-08-26 07:10:56,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320460 conditions, 36379 events. 16586/36379 cut-off events. For 1728336/1728386 co-relation queries the response was YES. Maximal size of possible extension queue 1061. Compared 372461 event pairs, 3343 based on Foata normal form. 21/35196 useless extension candidates. Maximal degree in co-relation 320292. Up to 16484 conditions per place. [2023-08-26 07:10:56,671 INFO L140 encePairwiseOnDemand]: 333/349 looper letters, 2966 selfloop transitions, 474 changer transitions 0/3445 dead transitions. [2023-08-26 07:10:56,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 3445 transitions, 148191 flow [2023-08-26 07:10:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-26 07:10:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-26 07:10:56,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1603 transitions. [2023-08-26 07:10:56,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2870702005730659 [2023-08-26 07:10:56,674 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1603 transitions. [2023-08-26 07:10:56,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1603 transitions. [2023-08-26 07:10:56,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:56,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1603 transitions. [2023-08-26 07:10:56,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 100.1875) internal successors, (1603), 16 states have internal predecessors, (1603), 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) [2023-08-26 07:10:56,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2023-08-26 07:10:56,680 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2023-08-26 07:10:56,680 INFO L175 Difference]: Start difference. First operand has 437 places, 1898 transitions, 79472 flow. Second operand 16 states and 1603 transitions. [2023-08-26 07:10:56,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 3445 transitions, 148191 flow [2023-08-26 07:11:20,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 3445 transitions, 148082 flow, removed 22 selfloop flow, removed 3 redundant places. [2023-08-26 07:11:20,123 INFO L231 Difference]: Finished difference. Result has 459 places, 2282 transitions, 100089 flow [2023-08-26 07:11:20,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=79395, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1898, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=100089, PETRI_PLACES=459, PETRI_TRANSITIONS=2282} [2023-08-26 07:11:20,125 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 382 predicate places. [2023-08-26 07:11:20,125 INFO L495 AbstractCegarLoop]: Abstraction has has 459 places, 2282 transitions, 100089 flow [2023-08-26 07:11:20,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:11:20,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:20,125 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] [2023-08-26 07:11:20,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-26 07:11:20,126 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:20,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:20,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2054901502, now seen corresponding path program 2 times [2023-08-26 07:11:20,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:20,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131215612] [2023-08-26 07:11:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:20,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:20,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131215612] [2023-08-26 07:11:20,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131215612] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:20,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:20,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:11:20,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729847718] [2023-08-26 07:11:20,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:20,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:11:20,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:20,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:11:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:11:20,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:11:20,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 2282 transitions, 100089 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:11:20,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:20,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:11:20,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:53,173 INFO L124 PetriNetUnfolderBase]: 16639/36709 cut-off events. [2023-08-26 07:11:53,173 INFO L125 PetriNetUnfolderBase]: For 1780265/1780782 co-relation queries the response was YES. [2023-08-26 07:11:54,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333467 conditions, 36709 events. 16639/36709 cut-off events. For 1780265/1780782 co-relation queries the response was YES. Maximal size of possible extension queue 1064. Compared 375466 event pairs, 4298 based on Foata normal form. 302/35823 useless extension candidates. Maximal degree in co-relation 333288. Up to 24741 conditions per place. [2023-08-26 07:11:54,365 INFO L140 encePairwiseOnDemand]: 331/349 looper letters, 1709 selfloop transitions, 798 changer transitions 0/2512 dead transitions. [2023-08-26 07:11:54,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 2512 transitions, 111114 flow [2023-08-26 07:11:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-26 07:11:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-26 07:11:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1774 transitions. [2023-08-26 07:11:54,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28239414199299584 [2023-08-26 07:11:54,368 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1774 transitions. [2023-08-26 07:11:54,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1774 transitions. [2023-08-26 07:11:54,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:54,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1774 transitions. [2023-08-26 07:11:54,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 98.55555555555556) internal successors, (1774), 18 states have internal predecessors, (1774), 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) [2023-08-26 07:11:54,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2023-08-26 07:11:54,374 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2023-08-26 07:11:54,375 INFO L175 Difference]: Start difference. First operand has 459 places, 2282 transitions, 100089 flow. Second operand 18 states and 1774 transitions. [2023-08-26 07:11:54,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 2512 transitions, 111114 flow [2023-08-26 07:12:21,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 2512 transitions, 111094 flow, removed 10 selfloop flow, removed 0 redundant places. [2023-08-26 07:12:21,312 INFO L231 Difference]: Finished difference. Result has 484 places, 2333 transitions, 104409 flow [2023-08-26 07:12:21,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=100069, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=750, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=104409, PETRI_PLACES=484, PETRI_TRANSITIONS=2333} [2023-08-26 07:12:21,314 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 407 predicate places. [2023-08-26 07:12:21,314 INFO L495 AbstractCegarLoop]: Abstraction has has 484 places, 2333 transitions, 104409 flow [2023-08-26 07:12:21,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:12:21,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:12:21,315 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] [2023-08-26 07:12:21,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-26 07:12:21,315 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:12:21,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:12:21,315 INFO L85 PathProgramCache]: Analyzing trace with hash -718664832, now seen corresponding path program 3 times [2023-08-26 07:12:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:12:21,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348735571] [2023-08-26 07:12:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:12:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:12:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:12:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:12:21,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:12:21,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348735571] [2023-08-26 07:12:21,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348735571] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:12:21,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:12:21,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:12:21,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472956565] [2023-08-26 07:12:21,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:12:21,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:12:21,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:12:21,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:12:21,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:12:21,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:12:21,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 2333 transitions, 104409 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:12:21,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:12:21,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:12:21,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:12:57,703 INFO L124 PetriNetUnfolderBase]: 16949/37459 cut-off events. [2023-08-26 07:12:57,704 INFO L125 PetriNetUnfolderBase]: For 1905522/1905844 co-relation queries the response was YES. [2023-08-26 07:12:58,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352150 conditions, 37459 events. 16949/37459 cut-off events. For 1905522/1905844 co-relation queries the response was YES. Maximal size of possible extension queue 1063. Compared 383724 event pairs, 4539 based on Foata normal form. 283/36520 useless extension candidates. Maximal degree in co-relation 351962. Up to 27024 conditions per place. [2023-08-26 07:12:58,964 INFO L140 encePairwiseOnDemand]: 334/349 looper letters, 2118 selfloop transitions, 563 changer transitions 0/2686 dead transitions. [2023-08-26 07:12:58,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 2686 transitions, 120130 flow [2023-08-26 07:12:58,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:12:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:12:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1696 transitions. [2023-08-26 07:12:58,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2858587561098938 [2023-08-26 07:12:58,966 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1696 transitions. [2023-08-26 07:12:58,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1696 transitions. [2023-08-26 07:12:58,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:12:58,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1696 transitions. [2023-08-26 07:12:58,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 99.76470588235294) internal successors, (1696), 17 states have internal predecessors, (1696), 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) [2023-08-26 07:12:58,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2023-08-26 07:12:58,972 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2023-08-26 07:12:58,972 INFO L175 Difference]: Start difference. First operand has 484 places, 2333 transitions, 104409 flow. Second operand 17 states and 1696 transitions. [2023-08-26 07:12:58,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 2686 transitions, 120130 flow [2023-08-26 07:13:26,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 2686 transitions, 119461 flow, removed 44 selfloop flow, removed 6 redundant places. [2023-08-26 07:13:26,789 INFO L231 Difference]: Finished difference. Result has 503 places, 2389 transitions, 107581 flow [2023-08-26 07:13:26,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=103741, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=512, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1785, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=107581, PETRI_PLACES=503, PETRI_TRANSITIONS=2389} [2023-08-26 07:13:26,791 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 426 predicate places. [2023-08-26 07:13:26,791 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 2389 transitions, 107581 flow [2023-08-26 07:13:26,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:13:26,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:13:26,792 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] [2023-08-26 07:13:26,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-26 07:13:26,792 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:13:26,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:13:26,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1405728470, now seen corresponding path program 4 times [2023-08-26 07:13:26,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:13:26,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136624388] [2023-08-26 07:13:26,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:13:26,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:13:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:13:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:13:27,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:13:27,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136624388] [2023-08-26 07:13:27,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136624388] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:13:27,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:13:27,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:13:27,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127294124] [2023-08-26 07:13:27,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:13:27,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:13:27,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:13:27,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:13:27,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:13:27,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:13:27,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 2389 transitions, 107581 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:13:27,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:13:27,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:13:27,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:14:03,708 INFO L124 PetriNetUnfolderBase]: 16962/37394 cut-off events. [2023-08-26 07:14:03,709 INFO L125 PetriNetUnfolderBase]: For 1969538/1970149 co-relation queries the response was YES. [2023-08-26 07:14:05,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358316 conditions, 37394 events. 16962/37394 cut-off events. For 1969538/1970149 co-relation queries the response was YES. Maximal size of possible extension queue 1064. Compared 382451 event pairs, 4415 based on Foata normal form. 364/36551 useless extension candidates. Maximal degree in co-relation 358118. Up to 24790 conditions per place. [2023-08-26 07:14:05,540 INFO L140 encePairwiseOnDemand]: 331/349 looper letters, 1639 selfloop transitions, 966 changer transitions 0/2610 dead transitions. [2023-08-26 07:14:05,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 2610 transitions, 117804 flow [2023-08-26 07:14:05,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-26 07:14:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-26 07:14:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1875 transitions. [2023-08-26 07:14:05,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2827627808776957 [2023-08-26 07:14:05,562 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1875 transitions. [2023-08-26 07:14:05,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1875 transitions. [2023-08-26 07:14:05,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:14:05,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1875 transitions. [2023-08-26 07:14:05,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 98.6842105263158) internal successors, (1875), 19 states have internal predecessors, (1875), 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) [2023-08-26 07:14:05,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 349.0) internal successors, (6980), 20 states have internal predecessors, (6980), 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) [2023-08-26 07:14:05,569 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 349.0) internal successors, (6980), 20 states have internal predecessors, (6980), 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) [2023-08-26 07:14:05,569 INFO L175 Difference]: Start difference. First operand has 503 places, 2389 transitions, 107581 flow. Second operand 19 states and 1875 transitions. [2023-08-26 07:14:05,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 2610 transitions, 117804 flow [2023-08-26 07:14:35,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 2610 transitions, 117523 flow, removed 108 selfloop flow, removed 3 redundant places. [2023-08-26 07:14:35,181 INFO L231 Difference]: Finished difference. Result has 523 places, 2400 transitions, 109645 flow [2023-08-26 07:14:35,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=107308, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=955, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=109645, PETRI_PLACES=523, PETRI_TRANSITIONS=2400} [2023-08-26 07:14:35,183 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 446 predicate places. [2023-08-26 07:14:35,183 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 2400 transitions, 109645 flow [2023-08-26 07:14:35,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:14:35,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:14:35,183 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] [2023-08-26 07:14:35,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-26 07:14:35,183 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:14:35,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:14:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1571631184, now seen corresponding path program 5 times [2023-08-26 07:14:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:14:35,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083762427] [2023-08-26 07:14:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:14:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:14:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:14:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:14:35,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:14:35,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083762427] [2023-08-26 07:14:35,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083762427] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:14:35,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:14:35,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:14:35,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213213379] [2023-08-26 07:14:35,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:14:35,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:14:35,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:14:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:14:35,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:14:35,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:14:35,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 2400 transitions, 109645 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:14:35,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:14:35,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:14:35,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:15:11,779 INFO L124 PetriNetUnfolderBase]: 16970/37409 cut-off events. [2023-08-26 07:15:11,779 INFO L125 PetriNetUnfolderBase]: For 2045377/2045942 co-relation queries the response was YES. [2023-08-26 07:15:13,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365891 conditions, 37409 events. 16970/37409 cut-off events. For 2045377/2045942 co-relation queries the response was YES. Maximal size of possible extension queue 1064. Compared 382475 event pairs, 4499 based on Foata normal form. 350/36550 useless extension candidates. Maximal degree in co-relation 365687. Up to 24805 conditions per place. [2023-08-26 07:15:13,297 INFO L140 encePairwiseOnDemand]: 331/349 looper letters, 1799 selfloop transitions, 784 changer transitions 0/2588 dead transitions. [2023-08-26 07:15:13,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 2588 transitions, 119883 flow [2023-08-26 07:15:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:15:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:15:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1679 transitions. [2023-08-26 07:15:13,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28299342659699983 [2023-08-26 07:15:13,299 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1679 transitions. [2023-08-26 07:15:13,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1679 transitions. [2023-08-26 07:15:13,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:15:13,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1679 transitions. [2023-08-26 07:15:13,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 98.76470588235294) internal successors, (1679), 17 states have internal predecessors, (1679), 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) [2023-08-26 07:15:13,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2023-08-26 07:15:13,305 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2023-08-26 07:15:13,305 INFO L175 Difference]: Start difference. First operand has 523 places, 2400 transitions, 109645 flow. Second operand 17 states and 1679 transitions. [2023-08-26 07:15:13,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 2588 transitions, 119883 flow [2023-08-26 07:15:43,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 2588 transitions, 118993 flow, removed 25 selfloop flow, removed 11 redundant places. [2023-08-26 07:15:43,341 INFO L231 Difference]: Finished difference. Result has 535 places, 2436 transitions, 112278 flow [2023-08-26 07:15:43,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=108794, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=750, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=112278, PETRI_PLACES=535, PETRI_TRANSITIONS=2436} [2023-08-26 07:15:43,343 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 458 predicate places. [2023-08-26 07:15:43,344 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 2436 transitions, 112278 flow [2023-08-26 07:15:43,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:15:43,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:15:43,344 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] [2023-08-26 07:15:43,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-26 07:15:43,344 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:15:43,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:15:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1783698526, now seen corresponding path program 6 times [2023-08-26 07:15:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:15:43,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315007196] [2023-08-26 07:15:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:15:43,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:15:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:15:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:15:43,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:15:43,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315007196] [2023-08-26 07:15:43,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315007196] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:15:43,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:15:43,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:15:43,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407927257] [2023-08-26 07:15:43,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:15:43,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:15:43,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:15:43,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:15:43,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:15:43,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:15:43,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 2436 transitions, 112278 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:15:43,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:15:43,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:15:43,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:16:23,175 INFO L124 PetriNetUnfolderBase]: 16998/37465 cut-off events. [2023-08-26 07:16:23,175 INFO L125 PetriNetUnfolderBase]: For 2124727/2125268 co-relation queries the response was YES. [2023-08-26 07:16:24,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372579 conditions, 37465 events. 16998/37465 cut-off events. For 2124727/2125268 co-relation queries the response was YES. Maximal size of possible extension queue 1063. Compared 383174 event pairs, 4428 based on Foata normal form. 343/36599 useless extension candidates. Maximal degree in co-relation 372368. Up to 24826 conditions per place. [2023-08-26 07:16:24,510 INFO L140 encePairwiseOnDemand]: 331/349 looper letters, 1660 selfloop transitions, 1017 changer transitions 0/2682 dead transitions. [2023-08-26 07:16:24,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 2682 transitions, 123900 flow [2023-08-26 07:16:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-08-26 07:16:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2023-08-26 07:16:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2237 transitions. [2023-08-26 07:16:24,513 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2786844400149495 [2023-08-26 07:16:24,513 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2237 transitions. [2023-08-26 07:16:24,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2237 transitions. [2023-08-26 07:16:24,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:16:24,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2237 transitions. [2023-08-26 07:16:24,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 97.26086956521739) internal successors, (2237), 23 states have internal predecessors, (2237), 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) [2023-08-26 07:16:24,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 349.0) internal successors, (8376), 24 states have internal predecessors, (8376), 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) [2023-08-26 07:16:24,519 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 349.0) internal successors, (8376), 24 states have internal predecessors, (8376), 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) [2023-08-26 07:16:24,519 INFO L175 Difference]: Start difference. First operand has 535 places, 2436 transitions, 112278 flow. Second operand 23 states and 2237 transitions. [2023-08-26 07:16:24,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 2682 transitions, 123900 flow [2023-08-26 07:16:55,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 2682 transitions, 123480 flow, removed 115 selfloop flow, removed 5 redundant places. [2023-08-26 07:16:55,959 INFO L231 Difference]: Finished difference. Result has 560 places, 2463 transitions, 115595 flow [2023-08-26 07:16:55,961 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=111858, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=991, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=115595, PETRI_PLACES=560, PETRI_TRANSITIONS=2463} [2023-08-26 07:16:55,961 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 483 predicate places. [2023-08-26 07:16:55,962 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 2463 transitions, 115595 flow [2023-08-26 07:16:55,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:16:55,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:16:55,962 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] [2023-08-26 07:16:55,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-26 07:16:55,962 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:16:55,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:16:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1626417198, now seen corresponding path program 7 times [2023-08-26 07:16:55,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:16:55,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472388355] [2023-08-26 07:16:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:16:55,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:16:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:16:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:16:56,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:16:56,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472388355] [2023-08-26 07:16:56,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472388355] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:16:56,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:16:56,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:16:56,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964682678] [2023-08-26 07:16:56,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:16:56,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:16:56,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:16:56,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:16:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:16:56,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:16:56,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 2463 transitions, 115595 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:16:56,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:16:56,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:16:56,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:17:35,694 INFO L124 PetriNetUnfolderBase]: 17021/37520 cut-off events. [2023-08-26 07:17:35,694 INFO L125 PetriNetUnfolderBase]: For 2231720/2232422 co-relation queries the response was YES. [2023-08-26 07:17:37,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381195 conditions, 37520 events. 17021/37520 cut-off events. For 2231720/2232422 co-relation queries the response was YES. Maximal size of possible extension queue 1063. Compared 383892 event pairs, 4422 based on Foata normal form. 392/36705 useless extension candidates. Maximal degree in co-relation 380976. Up to 24872 conditions per place. [2023-08-26 07:17:37,262 INFO L140 encePairwiseOnDemand]: 331/349 looper letters, 1780 selfloop transitions, 873 changer transitions 0/2658 dead transitions. [2023-08-26 07:17:37,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 2658 transitions, 125567 flow [2023-08-26 07:17:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-26 07:17:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-26 07:17:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2044 transitions. [2023-08-26 07:17:37,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.27889207258834764 [2023-08-26 07:17:37,265 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2044 transitions. [2023-08-26 07:17:37,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2044 transitions. [2023-08-26 07:17:37,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:17:37,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2044 transitions. [2023-08-26 07:17:37,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 97.33333333333333) internal successors, (2044), 21 states have internal predecessors, (2044), 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) [2023-08-26 07:17:37,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2023-08-26 07:17:37,273 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2023-08-26 07:17:37,273 INFO L175 Difference]: Start difference. First operand has 560 places, 2463 transitions, 115595 flow. Second operand 21 states and 2044 transitions. [2023-08-26 07:17:37,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 2658 transitions, 125567 flow [2023-08-26 07:18:10,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 2658 transitions, 124388 flow, removed 78 selfloop flow, removed 11 redundant places. [2023-08-26 07:18:10,665 INFO L231 Difference]: Finished difference. Result has 576 places, 2483 transitions, 117302 flow [2023-08-26 07:18:10,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=114418, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=853, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=117302, PETRI_PLACES=576, PETRI_TRANSITIONS=2483} [2023-08-26 07:18:10,667 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 499 predicate places. [2023-08-26 07:18:10,667 INFO L495 AbstractCegarLoop]: Abstraction has has 576 places, 2483 transitions, 117302 flow [2023-08-26 07:18:10,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:18:10,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:18:10,667 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] [2023-08-26 07:18:10,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-26 07:18:10,667 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:18:10,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:18:10,668 INFO L85 PathProgramCache]: Analyzing trace with hash -791660194, now seen corresponding path program 8 times [2023-08-26 07:18:10,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:18:10,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820275504] [2023-08-26 07:18:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:18:10,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:18:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:18:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:18:11,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:18:11,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820275504] [2023-08-26 07:18:11,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820275504] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:18:11,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:18:11,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:18:11,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105057694] [2023-08-26 07:18:11,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:18:11,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:18:11,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:18:11,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:18:11,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:18:11,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:18:11,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 2483 transitions, 117302 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:18:11,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:18:11,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:18:11,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:18:49,126 INFO L124 PetriNetUnfolderBase]: 17056/37591 cut-off events. [2023-08-26 07:18:49,126 INFO L125 PetriNetUnfolderBase]: For 2319705/2320286 co-relation queries the response was YES. [2023-08-26 07:18:50,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386020 conditions, 37591 events. 17056/37591 cut-off events. For 2319705/2320286 co-relation queries the response was YES. Maximal size of possible extension queue 1066. Compared 384792 event pairs, 4425 based on Foata normal form. 355/36737 useless extension candidates. Maximal degree in co-relation 385794. Up to 24849 conditions per place. [2023-08-26 07:18:50,874 INFO L140 encePairwiseOnDemand]: 331/349 looper letters, 1797 selfloop transitions, 882 changer transitions 0/2684 dead transitions. [2023-08-26 07:18:50,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 2684 transitions, 127041 flow [2023-08-26 07:18:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-26 07:18:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-26 07:18:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2046 transitions. [2023-08-26 07:18:50,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2791649611133852 [2023-08-26 07:18:50,877 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2046 transitions. [2023-08-26 07:18:50,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2046 transitions. [2023-08-26 07:18:50,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:18:50,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2046 transitions. [2023-08-26 07:18:50,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 97.42857142857143) internal successors, (2046), 21 states have internal predecessors, (2046), 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) [2023-08-26 07:18:50,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2023-08-26 07:18:50,885 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2023-08-26 07:18:50,885 INFO L175 Difference]: Start difference. First operand has 576 places, 2483 transitions, 117302 flow. Second operand 21 states and 2046 transitions. [2023-08-26 07:18:50,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 2684 transitions, 127041 flow [2023-08-26 07:19:25,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 2684 transitions, 126021 flow, removed 75 selfloop flow, removed 10 redundant places. [2023-08-26 07:19:25,211 INFO L231 Difference]: Finished difference. Result has 595 places, 2509 transitions, 119342 flow [2023-08-26 07:19:25,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=116310, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=856, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=119342, PETRI_PLACES=595, PETRI_TRANSITIONS=2509} [2023-08-26 07:19:25,213 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 518 predicate places. [2023-08-26 07:19:25,213 INFO L495 AbstractCegarLoop]: Abstraction has has 595 places, 2509 transitions, 119342 flow [2023-08-26 07:19:25,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:19:25,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:19:25,214 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] [2023-08-26 07:19:25,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-26 07:19:25,214 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:19:25,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:19:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1253769344, now seen corresponding path program 9 times [2023-08-26 07:19:25,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:19:25,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947140375] [2023-08-26 07:19:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:19:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:19:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:19:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:19:25,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:19:25,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947140375] [2023-08-26 07:19:25,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947140375] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:19:25,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:19:25,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:19:25,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391454287] [2023-08-26 07:19:25,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:19:25,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:19:25,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:19:25,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:19:25,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:19:25,917 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 349 [2023-08-26 07:19:25,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 2509 transitions, 119342 flow. Second operand has 12 states, 12 states have (on average 87.58333333333333) internal successors, (1051), 12 states have internal predecessors, (1051), 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) [2023-08-26 07:19:25,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:19:25,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 349 [2023-08-26 07:19:25,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-08-26 07:19:42,880 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-26 07:19:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-26 07:19:43,056 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2023-08-26 07:19:43,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-26 07:19:43,056 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). [2023-08-26 07:19:43,058 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2023-08-26 07:19:43,061 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2023-08-26 07:19:43,061 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2023-08-26 07:19:43,061 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 26 remaining) [2023-08-26 07:19:43,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2023-08-26 07:19:43,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2023-08-26 07:19:43,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2023-08-26 07:19:43,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2023-08-26 07:19:43,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2023-08-26 07:19:43,064 INFO L445 BasicCegarLoop]: Path program histogram: [13, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:19:43,068 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 07:19:43,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 07:19:43,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:19:43 BasicIcfg [2023-08-26 07:19:43,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 07:19:43,071 INFO L158 Benchmark]: Toolchain (without parser) took 794076.65ms. Allocated memory was 348.1MB in the beginning and 11.3GB in the end (delta: 11.0GB). Free memory was 322.1MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 4.1GB. Max. memory is 16.0GB. [2023-08-26 07:19:43,071 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 348.1MB. Free memory was 324.2MB in the beginning and 324.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 07:19:43,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.24ms. Allocated memory is still 348.1MB. Free memory was 321.8MB in the beginning and 282.8MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-26 07:19:43,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.97ms. Allocated memory is still 348.1MB. Free memory was 282.8MB in the beginning and 279.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 07:19:43,072 INFO L158 Benchmark]: Boogie Preprocessor took 54.69ms. Allocated memory is still 348.1MB. Free memory was 279.4MB in the beginning and 276.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 07:19:43,072 INFO L158 Benchmark]: RCFGBuilder took 623.65ms. Allocated memory is still 348.1MB. Free memory was 276.5MB in the beginning and 302.4MB in the end (delta: -25.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.0GB. [2023-08-26 07:19:43,072 INFO L158 Benchmark]: TraceAbstraction took 792535.48ms. Allocated memory was 348.1MB in the beginning and 11.3GB in the end (delta: 11.0GB). Free memory was 301.4MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 4.1GB. Max. memory is 16.0GB. [2023-08-26 07:19:43,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 348.1MB. Free memory was 324.2MB in the beginning and 324.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 767.24ms. Allocated memory is still 348.1MB. Free memory was 321.8MB in the beginning and 282.8MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 82.97ms. Allocated memory is still 348.1MB. Free memory was 282.8MB in the beginning and 279.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 54.69ms. Allocated memory is still 348.1MB. Free memory was 279.4MB in the beginning and 276.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 623.65ms. Allocated memory is still 348.1MB. Free memory was 276.5MB in the beginning and 302.4MB in the end (delta: -25.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.0GB. * TraceAbstraction took 792535.48ms. Allocated memory was 348.1MB in the beginning and 11.3GB in the end (delta: 11.0GB). Free memory was 301.4MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 4.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1044] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.3s, 197 PlacesBefore, 77 PlacesAfterwards, 193 TransitionsBefore, 73 TransitionsAfterwards, 4092 CoEnabledTransitionPairs, 9 FixpointIterations, 121 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 155 TotalNumberOfCompositions, 34878 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6845, independent: 5680, independent conditional: 0, independent unconditional: 5680, dependent: 1165, dependent conditional: 0, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1695, independent: 1595, independent conditional: 0, independent unconditional: 1595, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6845, independent: 4085, independent conditional: 0, independent unconditional: 4085, dependent: 1065, dependent conditional: 0, dependent unconditional: 1065, unknown: 1695, unknown conditional: 0, unknown unconditional: 1695] , Statistics on independence cache: Total cache size (in pairs): 375, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1248]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1249]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1250]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1250]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1254]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1251]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1239]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1239]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - TimeoutResultAtElement [Line: 1240]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 86/349 universal loopers) in iteration 30,while PetriNetUnfolder was constructing finite prefix that currently has 168821 conditions, 14060 events (6416/14059 cut-off events. For 1003066/1003068 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 144979 event pairs, 831 based on Foata normal form. 0/14645 useless extension candidates. Maximal degree in co-relation 168586. Up to 10095 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 263 locations, 26 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: 792.4s, OverallIterations: 30, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 706.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 70.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5682 SdHoareTripleChecker+Valid, 44.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5682 mSDsluCounter, 1250 SdHoareTripleChecker+Invalid, 41.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 674 mSDsCounter, 2769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23889 IncrementalHoareTripleChecker+Invalid, 26658 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2769 mSolverCounterUnsat, 576 mSDtfsCounter, 23889 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 494 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1806 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119342occurred in iteration=29, InterpolantAutomatonStates: 402, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 8482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown