/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_18-nested_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:39:48,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:39:49,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 03:39:49,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:39:49,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:39:49,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:39:49,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:39:49,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:39:49,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:39:49,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:39:49,084 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:39:49,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:39:49,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:39:49,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:39:49,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:39:49,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:39:49,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:39:49,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:39:49,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:39:49,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:39:49,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:39:49,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:39:49,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:39:49,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:39:49,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:39:49,088 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:39:49,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:39:49,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:39:49,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:39:49,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:39:49,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:39:49,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:39:49,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:39:49,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:39:49,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:39:49,091 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:39:49,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:39:49,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:39:49,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:39:49,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:39:49,427 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:39:49,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_18-nested_rc.i [2023-08-25 03:39:50,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:39:50,807 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:39:50,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_18-nested_rc.i [2023-08-25 03:39:50,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee80964f0/2c97b5d9a51140518eeb7378644907de/FLAG9369a437e [2023-08-25 03:39:50,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee80964f0/2c97b5d9a51140518eeb7378644907de [2023-08-25 03:39:50,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:39:50,837 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:39:50,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:39:50,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:39:50,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:39:50,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:39:50" (1/1) ... [2023-08-25 03:39:50,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9c245d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:50, skipping insertion in model container [2023-08-25 03:39:50,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:39:50" (1/1) ... [2023-08-25 03:39:50,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:39:51,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:39:51,358 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:39:51,384 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 03:39:51,390 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 03:39:51,408 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1049] [2023-08-25 03:39:51,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:39:51,527 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:39:51,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51 WrapperNode [2023-08-25 03:39:51,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:39:51,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:39:51,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:39:51,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:39:51,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,618 INFO L138 Inliner]: procedures = 370, calls = 29, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 229 [2023-08-25 03:39:51,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:39:51,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:39:51,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:39:51,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:39:51,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:39:51,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:39:51,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:39:51,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:39:51,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (1/1) ... [2023-08-25 03:39:51,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:39:51,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:39:51,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 03:39:51,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 03:39:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:39:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 03:39:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:39:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:39:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:39:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:39:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 03:39:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:39:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 03:39:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:39:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:39:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:39:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:39:51,790 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 03:39:51,974 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:39:51,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:39:52,390 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:39:52,397 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:39:52,398 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-25 03:39:52,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:39:52 BoogieIcfgContainer [2023-08-25 03:39:52,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:39:52,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:39:52,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:39:52,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:39:52,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:39:50" (1/3) ... [2023-08-25 03:39:52,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e44968c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:39:52, skipping insertion in model container [2023-08-25 03:39:52,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:39:51" (2/3) ... [2023-08-25 03:39:52,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e44968c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:39:52, skipping insertion in model container [2023-08-25 03:39:52,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:39:52" (3/3) ... [2023-08-25 03:39:52,413 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_18-nested_rc.i [2023-08-25 03:39:52,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:39:52,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-25 03:39:52,428 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:39:52,534 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:39:52,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 259 places, 259 transitions, 523 flow [2023-08-25 03:39:52,701 INFO L124 PetriNetUnfolderBase]: 4/258 cut-off events. [2023-08-25 03:39:52,702 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:39:52,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 258 events. 4/258 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 111 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 137. Up to 2 conditions per place. [2023-08-25 03:39:52,710 INFO L82 GeneralOperation]: Start removeDead. Operand has 259 places, 259 transitions, 523 flow [2023-08-25 03:39:52,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 258 transitions, 519 flow [2023-08-25 03:39:52,722 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:39:52,737 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 258 transitions, 519 flow [2023-08-25 03:39:52,739 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 258 transitions, 519 flow [2023-08-25 03:39:52,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 258 transitions, 519 flow [2023-08-25 03:39:52,812 INFO L124 PetriNetUnfolderBase]: 4/258 cut-off events. [2023-08-25 03:39:52,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:39:52,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 258 events. 4/258 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 111 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 137. Up to 2 conditions per place. [2023-08-25 03:39:52,818 INFO L119 LiptonReduction]: Number of co-enabled transitions 6048 [2023-08-25 03:40:42,602 WARN L234 SmtUtils]: Spent 9.61s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:40:49,225 WARN L234 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:40:58,571 WARN L234 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:41:05,181 WARN L234 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:41:27,953 WARN L234 SmtUtils]: Spent 22.76s on a formula simplification. DAG size of input: 188 DAG size of output: 182 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:41:42,949 WARN L234 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 188 DAG size of output: 182 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:41:48,294 WARN L234 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:41:53,417 WARN L234 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:42:09,326 WARN L234 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 200 DAG size of output: 198 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:44:03,764 WARN L234 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 307 DAG size of output: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:45:37,412 WARN L234 SmtUtils]: Spent 1.56m on a formula simplification that was a NOOP. DAG size: 292 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:47:42,592 WARN L234 SmtUtils]: Spent 2.09m on a formula simplification. DAG size of input: 313 DAG size of output: 304 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:49:11,344 WARN L234 SmtUtils]: Spent 1.48m on a formula simplification that was a NOOP. DAG size: 298 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:49:11,348 INFO L134 LiptonReduction]: Checked pairs total: 48736 [2023-08-25 03:49:11,348 INFO L136 LiptonReduction]: Total number of compositions: 222 [2023-08-25 03:49:11,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:49:11,362 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;@69ea80c8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:49:11,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-08-25 03:49:11,364 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:49:11,364 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-08-25 03:49:11,364 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:49:11,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:11,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-25 03:49:11,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:11,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:11,369 INFO L85 PathProgramCache]: Analyzing trace with hash 27002, now seen corresponding path program 1 times [2023-08-25 03:49:11,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:11,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904391924] [2023-08-25 03:49:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:11,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:11,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:11,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904391924] [2023-08-25 03:49:11,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904391924] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:11,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:11,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 03:49:11,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956026008] [2023-08-25 03:49:11,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:11,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:49:11,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:11,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:49:11,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:49:11,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 481 [2023-08-25 03:49:11,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 163 flow. Second operand has 2 states, 2 states have (on average 256.0) internal successors, (512), 2 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:11,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:11,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 481 [2023-08-25 03:49:11,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:12,208 INFO L124 PetriNetUnfolderBase]: 65/309 cut-off events. [2023-08-25 03:49:12,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:49:12,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 309 events. 65/309 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1404 event pairs, 64 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 453. Up to 153 conditions per place. [2023-08-25 03:49:12,213 INFO L140 encePairwiseOnDemand]: 472/481 looper letters, 24 selfloop transitions, 0 changer transitions 0/71 dead transitions. [2023-08-25 03:49:12,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 71 transitions, 193 flow [2023-08-25 03:49:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:49:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:49:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 543 transitions. [2023-08-25 03:49:12,233 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5644490644490644 [2023-08-25 03:49:12,234 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 543 transitions. [2023-08-25 03:49:12,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 543 transitions. [2023-08-25 03:49:12,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:12,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 543 transitions. [2023-08-25 03:49:12,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 271.5) internal successors, (543), 2 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:12,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 481.0) internal successors, (1443), 3 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:12,250 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 481.0) internal successors, (1443), 3 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:12,252 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 163 flow. Second operand 2 states and 543 transitions. [2023-08-25 03:49:12,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 71 transitions, 193 flow [2023-08-25 03:49:12,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 71 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:49:12,256 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 144 flow [2023-08-25 03:49:12,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=144, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2023-08-25 03:49:12,261 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -9 predicate places. [2023-08-25 03:49:12,262 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 144 flow [2023-08-25 03:49:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 256.0) internal successors, (512), 2 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:12,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:12,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:12,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:49:12,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:12,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:12,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1683305355, now seen corresponding path program 1 times [2023-08-25 03:49:12,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:12,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514355559] [2023-08-25 03:49:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:12,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:12,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:12,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514355559] [2023-08-25 03:49:12,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514355559] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:12,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:12,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:49:12,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427252111] [2023-08-25 03:49:12,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:12,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:49:12,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:12,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:49:12,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:49:12,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 481 [2023-08-25 03:49:12,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:12,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:12,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 481 [2023-08-25 03:49:12,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:14,735 INFO L124 PetriNetUnfolderBase]: 65/310 cut-off events. [2023-08-25 03:49:14,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:49:14,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 310 events. 65/310 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1396 event pairs, 64 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 465. Up to 153 conditions per place. [2023-08-25 03:49:14,738 INFO L140 encePairwiseOnDemand]: 478/481 looper letters, 23 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2023-08-25 03:49:14,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 72 transitions, 196 flow [2023-08-25 03:49:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:49:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:49:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 767 transitions. [2023-08-25 03:49:14,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315315315315315 [2023-08-25 03:49:14,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 767 transitions. [2023-08-25 03:49:14,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 767 transitions. [2023-08-25 03:49:14,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:14,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 767 transitions. [2023-08-25 03:49:14,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:14,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 481.0) internal successors, (1924), 4 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:14,792 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 481.0) internal successors, (1924), 4 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:14,792 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 144 flow. Second operand 3 states and 767 transitions. [2023-08-25 03:49:14,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 72 transitions, 196 flow [2023-08-25 03:49:14,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 72 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:14,794 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 156 flow [2023-08-25 03:49:14,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2023-08-25 03:49:14,798 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -6 predicate places. [2023-08-25 03:49:14,798 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 156 flow [2023-08-25 03:49:14,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:14,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:14,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:14,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:49:14,799 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:14,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1407105855, now seen corresponding path program 1 times [2023-08-25 03:49:14,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:14,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969523834] [2023-08-25 03:49:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:15,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:15,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969523834] [2023-08-25 03:49:15,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969523834] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 03:49:15,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330988728] [2023-08-25 03:49:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 03:49:15,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:49:15,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 03:49:15,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 03:49:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:15,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 03:49:15,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 03:49:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:15,512 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 03:49:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:15,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330988728] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 03:49:15,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 03:49:15,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-08-25 03:49:15,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124007920] [2023-08-25 03:49:15,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 03:49:15,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:49:15,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:49:15,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:49:15,532 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 481 [2023-08-25 03:49:15,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:15,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:15,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 481 [2023-08-25 03:49:15,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:17,226 INFO L124 PetriNetUnfolderBase]: 65/313 cut-off events. [2023-08-25 03:49:17,226 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:49:17,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 313 events. 65/313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1399 event pairs, 64 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 479. Up to 153 conditions per place. [2023-08-25 03:49:17,228 INFO L140 encePairwiseOnDemand]: 478/481 looper letters, 23 selfloop transitions, 5 changer transitions 0/75 dead transitions. [2023-08-25 03:49:17,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 224 flow [2023-08-25 03:49:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:49:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:49:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1513 transitions. [2023-08-25 03:49:17,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5242550242550242 [2023-08-25 03:49:17,232 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1513 transitions. [2023-08-25 03:49:17,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1513 transitions. [2023-08-25 03:49:17,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:17,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1513 transitions. [2023-08-25 03:49:17,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.16666666666666) internal successors, (1513), 6 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:17,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:17,243 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:17,243 INFO L175 Difference]: Start difference. First operand has 77 places, 72 transitions, 156 flow. Second operand 6 states and 1513 transitions. [2023-08-25 03:49:17,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 224 flow [2023-08-25 03:49:17,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 75 transitions, 220 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 03:49:17,246 INFO L231 Difference]: Finished difference. Result has 84 places, 75 transitions, 188 flow [2023-08-25 03:49:17,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=84, PETRI_TRANSITIONS=75} [2023-08-25 03:49:17,247 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 1 predicate places. [2023-08-25 03:49:17,247 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 75 transitions, 188 flow [2023-08-25 03:49:17,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:17,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:17,248 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:17,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-25 03:49:17,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 03:49:17,458 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:17,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:17,459 INFO L85 PathProgramCache]: Analyzing trace with hash 9776885, now seen corresponding path program 2 times [2023-08-25 03:49:17,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:17,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830245446] [2023-08-25 03:49:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-25 03:49:18,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:18,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830245446] [2023-08-25 03:49:18,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830245446] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:18,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:18,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:49:18,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974642848] [2023-08-25 03:49:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:18,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:49:18,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:49:18,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:49:18,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 481 [2023-08-25 03:49:18,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 75 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:18,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:18,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 481 [2023-08-25 03:49:18,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:21,473 INFO L124 PetriNetUnfolderBase]: 1644/3506 cut-off events. [2023-08-25 03:49:21,474 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 03:49:21,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6952 conditions, 3506 events. 1644/3506 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 21090 event pairs, 110 based on Foata normal form. 0/3046 useless extension candidates. Maximal degree in co-relation 6944. Up to 2030 conditions per place. [2023-08-25 03:49:21,492 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 194 selfloop transitions, 69 changer transitions 0/265 dead transitions. [2023-08-25 03:49:21,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 265 transitions, 1094 flow [2023-08-25 03:49:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:49:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:49:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1052 transitions. [2023-08-25 03:49:21,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3645183645183645 [2023-08-25 03:49:21,497 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1052 transitions. [2023-08-25 03:49:21,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1052 transitions. [2023-08-25 03:49:21,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:21,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1052 transitions. [2023-08-25 03:49:21,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:21,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:21,506 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:21,506 INFO L175 Difference]: Start difference. First operand has 84 places, 75 transitions, 188 flow. Second operand 6 states and 1052 transitions. [2023-08-25 03:49:21,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 265 transitions, 1094 flow [2023-08-25 03:49:21,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 265 transitions, 1080 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-08-25 03:49:21,514 INFO L231 Difference]: Finished difference. Result has 93 places, 143 transitions, 628 flow [2023-08-25 03:49:21,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=628, PETRI_PLACES=93, PETRI_TRANSITIONS=143} [2023-08-25 03:49:21,515 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 10 predicate places. [2023-08-25 03:49:21,516 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 143 transitions, 628 flow [2023-08-25 03:49:21,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:21,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:21,519 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:21,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:49:21,523 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:21,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:21,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1088737451, now seen corresponding path program 1 times [2023-08-25 03:49:21,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:21,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412648489] [2023-08-25 03:49:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:21,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:21,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412648489] [2023-08-25 03:49:21,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412648489] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 03:49:21,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741367046] [2023-08-25 03:49:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:21,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 03:49:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:49:21,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 03:49:21,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-25 03:49:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:22,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-25 03:49:22,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 03:49:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:22,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 03:49:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:49:22,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741367046] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 03:49:22,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 03:49:22,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-08-25 03:49:22,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399420567] [2023-08-25 03:49:22,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 03:49:22,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:49:22,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:22,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:49:22,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:49:22,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 481 [2023-08-25 03:49:22,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 143 transitions, 628 flow. Second operand has 12 states, 12 states have (on average 248.41666666666666) internal successors, (2981), 12 states have internal predecessors, (2981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:22,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:22,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 481 [2023-08-25 03:49:22,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:24,003 INFO L124 PetriNetUnfolderBase]: 252/1101 cut-off events. [2023-08-25 03:49:24,004 INFO L125 PetriNetUnfolderBase]: For 160/181 co-relation queries the response was YES. [2023-08-25 03:49:24,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2092 conditions, 1101 events. 252/1101 cut-off events. For 160/181 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 6955 event pairs, 91 based on Foata normal form. 6/1030 useless extension candidates. Maximal degree in co-relation 2079. Up to 356 conditions per place. [2023-08-25 03:49:24,010 INFO L140 encePairwiseOnDemand]: 478/481 looper letters, 39 selfloop transitions, 11 changer transitions 0/149 dead transitions. [2023-08-25 03:49:24,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 149 transitions, 764 flow [2023-08-25 03:49:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-25 03:49:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-25 03:49:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3004 transitions. [2023-08-25 03:49:24,018 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5204435204435205 [2023-08-25 03:49:24,018 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3004 transitions. [2023-08-25 03:49:24,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3004 transitions. [2023-08-25 03:49:24,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:24,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3004 transitions. [2023-08-25 03:49:24,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 250.33333333333334) internal successors, (3004), 12 states have internal predecessors, (3004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:24,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 481.0) internal successors, (6253), 13 states have internal predecessors, (6253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:24,036 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 481.0) internal successors, (6253), 13 states have internal predecessors, (6253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:24,036 INFO L175 Difference]: Start difference. First operand has 93 places, 143 transitions, 628 flow. Second operand 12 states and 3004 transitions. [2023-08-25 03:49:24,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 149 transitions, 764 flow [2023-08-25 03:49:24,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 149 transitions, 764 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:24,046 INFO L231 Difference]: Finished difference. Result has 110 places, 149 transitions, 712 flow [2023-08-25 03:49:24,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=712, PETRI_PLACES=110, PETRI_TRANSITIONS=149} [2023-08-25 03:49:24,048 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 27 predicate places. [2023-08-25 03:49:24,048 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 149 transitions, 712 flow [2023-08-25 03:49:24,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 248.41666666666666) internal successors, (2981), 12 states have internal predecessors, (2981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:24,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:24,051 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:24,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-25 03:49:24,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 03:49:24,261 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:24,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:24,262 INFO L85 PathProgramCache]: Analyzing trace with hash 992799637, now seen corresponding path program 2 times [2023-08-25 03:49:24,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:24,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496809875] [2023-08-25 03:49:24,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:24,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:25,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:25,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496809875] [2023-08-25 03:49:25,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496809875] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:25,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:25,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:49:25,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221176781] [2023-08-25 03:49:25,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:25,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:49:25,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:25,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:49:25,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:49:25,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 481 [2023-08-25 03:49:25,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 149 transitions, 712 flow. Second operand has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:25,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:25,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 481 [2023-08-25 03:49:25,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:28,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 03:49:28,879 INFO L124 PetriNetUnfolderBase]: 1712/3624 cut-off events. [2023-08-25 03:49:28,879 INFO L125 PetriNetUnfolderBase]: For 1327/1327 co-relation queries the response was YES. [2023-08-25 03:49:28,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8931 conditions, 3624 events. 1712/3624 cut-off events. For 1327/1327 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 21082 event pairs, 1015 based on Foata normal form. 0/3197 useless extension candidates. Maximal degree in co-relation 8911. Up to 3362 conditions per place. [2023-08-25 03:49:28,901 INFO L140 encePairwiseOnDemand]: 462/481 looper letters, 178 selfloop transitions, 64 changer transitions 0/245 dead transitions. [2023-08-25 03:49:28,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 245 transitions, 1484 flow [2023-08-25 03:49:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:49:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:49:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 998 transitions. [2023-08-25 03:49:28,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3458073458073458 [2023-08-25 03:49:28,905 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 998 transitions. [2023-08-25 03:49:28,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 998 transitions. [2023-08-25 03:49:28,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:28,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 998 transitions. [2023-08-25 03:49:28,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:28,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:28,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:28,912 INFO L175 Difference]: Start difference. First operand has 110 places, 149 transitions, 712 flow. Second operand 6 states and 998 transitions. [2023-08-25 03:49:28,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 245 transitions, 1484 flow [2023-08-25 03:49:28,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 245 transitions, 1436 flow, removed 19 selfloop flow, removed 5 redundant places. [2023-08-25 03:49:28,921 INFO L231 Difference]: Finished difference. Result has 115 places, 208 transitions, 1156 flow [2023-08-25 03:49:28,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1156, PETRI_PLACES=115, PETRI_TRANSITIONS=208} [2023-08-25 03:49:28,924 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 32 predicate places. [2023-08-25 03:49:28,924 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 208 transitions, 1156 flow [2023-08-25 03:49:28,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:28,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:28,925 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:28,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 03:49:28,925 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:28,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:28,925 INFO L85 PathProgramCache]: Analyzing trace with hash -99915806, now seen corresponding path program 1 times [2023-08-25 03:49:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:28,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882521282] [2023-08-25 03:49:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:30,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:30,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882521282] [2023-08-25 03:49:30,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882521282] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:30,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:30,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:49:30,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558622702] [2023-08-25 03:49:30,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:30,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:49:30,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:49:30,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:49:30,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 481 [2023-08-25 03:49:30,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 208 transitions, 1156 flow. Second operand has 10 states, 10 states have (on average 120.5) internal successors, (1205), 10 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:30,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:30,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 481 [2023-08-25 03:49:30,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:33,360 INFO L124 PetriNetUnfolderBase]: 1723/3682 cut-off events. [2023-08-25 03:49:33,360 INFO L125 PetriNetUnfolderBase]: For 2750/2750 co-relation queries the response was YES. [2023-08-25 03:49:33,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10662 conditions, 3682 events. 1723/3682 cut-off events. For 2750/2750 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 21845 event pairs, 331 based on Foata normal form. 31/3323 useless extension candidates. Maximal degree in co-relation 10638. Up to 2244 conditions per place. [2023-08-25 03:49:33,384 INFO L140 encePairwiseOnDemand]: 465/481 looper letters, 304 selfloop transitions, 59 changer transitions 4/369 dead transitions. [2023-08-25 03:49:33,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 369 transitions, 2524 flow [2023-08-25 03:49:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 03:49:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 03:49:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1177 transitions. [2023-08-25 03:49:33,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3058731808731809 [2023-08-25 03:49:33,389 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1177 transitions. [2023-08-25 03:49:33,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1177 transitions. [2023-08-25 03:49:33,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:33,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1177 transitions. [2023-08-25 03:49:33,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 147.125) internal successors, (1177), 8 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:33,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:33,398 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 481.0) internal successors, (4329), 9 states have internal predecessors, (4329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:33,398 INFO L175 Difference]: Start difference. First operand has 115 places, 208 transitions, 1156 flow. Second operand 8 states and 1177 transitions. [2023-08-25 03:49:33,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 369 transitions, 2524 flow [2023-08-25 03:49:33,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 369 transitions, 2506 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:33,413 INFO L231 Difference]: Finished difference. Result has 127 places, 232 transitions, 1505 flow [2023-08-25 03:49:33,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=1138, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1505, PETRI_PLACES=127, PETRI_TRANSITIONS=232} [2023-08-25 03:49:33,414 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 44 predicate places. [2023-08-25 03:49:33,414 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 232 transitions, 1505 flow [2023-08-25 03:49:33,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 120.5) internal successors, (1205), 10 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:33,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:33,415 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:33,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 03:49:33,415 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:33,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:33,415 INFO L85 PathProgramCache]: Analyzing trace with hash -591245092, now seen corresponding path program 1 times [2023-08-25 03:49:33,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:33,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053726921] [2023-08-25 03:49:33,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:35,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:35,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053726921] [2023-08-25 03:49:35,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053726921] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:35,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:35,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:49:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930354356] [2023-08-25 03:49:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:35,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:49:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:49:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:49:35,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 481 [2023-08-25 03:49:35,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 232 transitions, 1505 flow. Second operand has 10 states, 10 states have (on average 121.5) internal successors, (1215), 10 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:35,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:35,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 481 [2023-08-25 03:49:35,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:37,866 INFO L124 PetriNetUnfolderBase]: 1712/3669 cut-off events. [2023-08-25 03:49:37,867 INFO L125 PetriNetUnfolderBase]: For 4388/4388 co-relation queries the response was YES. [2023-08-25 03:49:37,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11389 conditions, 3669 events. 1712/3669 cut-off events. For 4388/4388 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 21668 event pairs, 429 based on Foata normal form. 10/3287 useless extension candidates. Maximal degree in co-relation 11359. Up to 3035 conditions per place. [2023-08-25 03:49:37,893 INFO L140 encePairwiseOnDemand]: 463/481 looper letters, 330 selfloop transitions, 83 changer transitions 4/419 dead transitions. [2023-08-25 03:49:37,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 419 transitions, 3131 flow [2023-08-25 03:49:37,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:49:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:49:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1948 transitions. [2023-08-25 03:49:37,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2892782892782893 [2023-08-25 03:49:37,900 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1948 transitions. [2023-08-25 03:49:37,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1948 transitions. [2023-08-25 03:49:37,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:37,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1948 transitions. [2023-08-25 03:49:37,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 139.14285714285714) internal successors, (1948), 14 states have internal predecessors, (1948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:37,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 481.0) internal successors, (7215), 15 states have internal predecessors, (7215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:37,914 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 481.0) internal successors, (7215), 15 states have internal predecessors, (7215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:37,914 INFO L175 Difference]: Start difference. First operand has 127 places, 232 transitions, 1505 flow. Second operand 14 states and 1948 transitions. [2023-08-25 03:49:37,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 419 transitions, 3131 flow [2023-08-25 03:49:37,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 419 transitions, 3129 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:37,931 INFO L231 Difference]: Finished difference. Result has 145 places, 261 transitions, 1973 flow [2023-08-25 03:49:37,932 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=1503, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1973, PETRI_PLACES=145, PETRI_TRANSITIONS=261} [2023-08-25 03:49:37,932 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 62 predicate places. [2023-08-25 03:49:37,933 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 261 transitions, 1973 flow [2023-08-25 03:49:37,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 121.5) internal successors, (1215), 10 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:37,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:37,933 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:37,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 03:49:37,933 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:37,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:37,934 INFO L85 PathProgramCache]: Analyzing trace with hash -286138578, now seen corresponding path program 1 times [2023-08-25 03:49:37,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:37,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472299238] [2023-08-25 03:49:37,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:37,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:38,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:38,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472299238] [2023-08-25 03:49:38,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472299238] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:38,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:38,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:49:38,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918932535] [2023-08-25 03:49:38,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:38,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:49:38,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:38,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:49:38,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:49:38,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 481 [2023-08-25 03:49:38,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 261 transitions, 1973 flow. Second operand has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:38,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:38,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 481 [2023-08-25 03:49:38,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:42,658 INFO L124 PetriNetUnfolderBase]: 1914/4047 cut-off events. [2023-08-25 03:49:42,658 INFO L125 PetriNetUnfolderBase]: For 5933/5933 co-relation queries the response was YES. [2023-08-25 03:49:42,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13323 conditions, 4047 events. 1914/4047 cut-off events. For 5933/5933 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 24006 event pairs, 841 based on Foata normal form. 0/3672 useless extension candidates. Maximal degree in co-relation 13288. Up to 3458 conditions per place. [2023-08-25 03:49:42,688 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 362 selfloop transitions, 141 changer transitions 0/504 dead transitions. [2023-08-25 03:49:42,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 504 transitions, 4256 flow [2023-08-25 03:49:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:49:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:49:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1105 transitions. [2023-08-25 03:49:42,692 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38288288288288286 [2023-08-25 03:49:42,692 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1105 transitions. [2023-08-25 03:49:42,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1105 transitions. [2023-08-25 03:49:42,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:42,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1105 transitions. [2023-08-25 03:49:42,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:42,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:42,699 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:42,699 INFO L175 Difference]: Start difference. First operand has 145 places, 261 transitions, 1973 flow. Second operand 6 states and 1105 transitions. [2023-08-25 03:49:42,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 504 transitions, 4256 flow [2023-08-25 03:49:42,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 504 transitions, 4240 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:42,725 INFO L231 Difference]: Finished difference. Result has 154 places, 392 transitions, 3405 flow [2023-08-25 03:49:42,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=1965, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3405, PETRI_PLACES=154, PETRI_TRANSITIONS=392} [2023-08-25 03:49:42,726 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 71 predicate places. [2023-08-25 03:49:42,726 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 392 transitions, 3405 flow [2023-08-25 03:49:42,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:42,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:42,727 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:42,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 03:49:42,727 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:42,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:42,727 INFO L85 PathProgramCache]: Analyzing trace with hash 873505180, now seen corresponding path program 1 times [2023-08-25 03:49:42,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:42,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784976498] [2023-08-25 03:49:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:42,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:43,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:43,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784976498] [2023-08-25 03:49:43,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784976498] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:43,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:49:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781308323] [2023-08-25 03:49:43,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:43,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:49:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:49:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:49:43,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 481 [2023-08-25 03:49:43,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 392 transitions, 3405 flow. Second operand has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:43,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:43,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 481 [2023-08-25 03:49:43,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:45,152 INFO L124 PetriNetUnfolderBase]: 1855/3972 cut-off events. [2023-08-25 03:49:45,153 INFO L125 PetriNetUnfolderBase]: For 8262/8264 co-relation queries the response was YES. [2023-08-25 03:49:45,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14866 conditions, 3972 events. 1855/3972 cut-off events. For 8262/8264 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 23793 event pairs, 858 based on Foata normal form. 0/3609 useless extension candidates. Maximal degree in co-relation 14826. Up to 3755 conditions per place. [2023-08-25 03:49:45,185 INFO L140 encePairwiseOnDemand]: 463/481 looper letters, 408 selfloop transitions, 68 changer transitions 0/479 dead transitions. [2023-08-25 03:49:45,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 479 transitions, 4809 flow [2023-08-25 03:49:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:49:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:49:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 993 transitions. [2023-08-25 03:49:45,188 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34407484407484407 [2023-08-25 03:49:45,188 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 993 transitions. [2023-08-25 03:49:45,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 993 transitions. [2023-08-25 03:49:45,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:45,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 993 transitions. [2023-08-25 03:49:45,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:45,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:45,195 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:45,195 INFO L175 Difference]: Start difference. First operand has 154 places, 392 transitions, 3405 flow. Second operand 6 states and 993 transitions. [2023-08-25 03:49:45,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 479 transitions, 4809 flow [2023-08-25 03:49:45,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 479 transitions, 4713 flow, removed 48 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:45,280 INFO L231 Difference]: Finished difference. Result has 163 places, 447 transitions, 3887 flow [2023-08-25 03:49:45,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=3309, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3887, PETRI_PLACES=163, PETRI_TRANSITIONS=447} [2023-08-25 03:49:45,281 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 80 predicate places. [2023-08-25 03:49:45,281 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 447 transitions, 3887 flow [2023-08-25 03:49:45,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:45,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:45,282 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:45,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 03:49:45,282 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:45,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:45,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1012411724, now seen corresponding path program 1 times [2023-08-25 03:49:45,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:45,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314935166] [2023-08-25 03:49:45,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:45,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:48,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:48,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314935166] [2023-08-25 03:49:48,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314935166] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:48,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:48,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:49:48,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264270214] [2023-08-25 03:49:48,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:48,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:49:48,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:48,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:49:48,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:49:48,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:49:48,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 447 transitions, 3887 flow. Second operand has 11 states, 11 states have (on average 105.9090909090909) internal successors, (1165), 11 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:48,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:48,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:49:48,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:49:52,582 INFO L124 PetriNetUnfolderBase]: 4336/8956 cut-off events. [2023-08-25 03:49:52,582 INFO L125 PetriNetUnfolderBase]: For 23255/23255 co-relation queries the response was YES. [2023-08-25 03:49:52,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37182 conditions, 8956 events. 4336/8956 cut-off events. For 23255/23255 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 62322 event pairs, 1217 based on Foata normal form. 15/8231 useless extension candidates. Maximal degree in co-relation 37137. Up to 4022 conditions per place. [2023-08-25 03:49:52,648 INFO L140 encePairwiseOnDemand]: 455/481 looper letters, 1202 selfloop transitions, 145 changer transitions 2/1350 dead transitions. [2023-08-25 03:49:52,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 1350 transitions, 14249 flow [2023-08-25 03:49:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:49:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:49:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1908 transitions. [2023-08-25 03:49:52,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26444906444906446 [2023-08-25 03:49:52,654 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1908 transitions. [2023-08-25 03:49:52,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1908 transitions. [2023-08-25 03:49:52,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:49:52,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1908 transitions. [2023-08-25 03:49:52,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 127.2) internal successors, (1908), 15 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:52,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 481.0) internal successors, (7696), 16 states have internal predecessors, (7696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:52,667 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 481.0) internal successors, (7696), 16 states have internal predecessors, (7696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:52,667 INFO L175 Difference]: Start difference. First operand has 163 places, 447 transitions, 3887 flow. Second operand 15 states and 1908 transitions. [2023-08-25 03:49:52,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 1350 transitions, 14249 flow [2023-08-25 03:49:52,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 1350 transitions, 13839 flow, removed 205 selfloop flow, removed 0 redundant places. [2023-08-25 03:49:52,828 INFO L231 Difference]: Finished difference. Result has 186 places, 581 transitions, 5546 flow [2023-08-25 03:49:52,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=3731, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5546, PETRI_PLACES=186, PETRI_TRANSITIONS=581} [2023-08-25 03:49:52,829 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 103 predicate places. [2023-08-25 03:49:52,829 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 581 transitions, 5546 flow [2023-08-25 03:49:52,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 105.9090909090909) internal successors, (1165), 11 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:52,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:49:52,830 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:49:52,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 03:49:52,830 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:49:52,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:49:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1027572848, now seen corresponding path program 2 times [2023-08-25 03:49:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:49:52,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993273185] [2023-08-25 03:49:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:49:52,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:49:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:49:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:49:57,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:49:57,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993273185] [2023-08-25 03:49:57,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993273185] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:49:57,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:49:57,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:49:57,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215937051] [2023-08-25 03:49:57,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:49:57,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:49:57,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:49:57,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:49:57,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:49:57,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:49:57,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 581 transitions, 5546 flow. Second operand has 11 states, 11 states have (on average 105.9090909090909) internal successors, (1165), 11 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:49:57,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:49:57,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:49:57,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:01,568 INFO L124 PetriNetUnfolderBase]: 4388/9067 cut-off events. [2023-08-25 03:50:01,568 INFO L125 PetriNetUnfolderBase]: For 27955/27955 co-relation queries the response was YES. [2023-08-25 03:50:01,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39608 conditions, 9067 events. 4388/9067 cut-off events. For 27955/27955 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 63405 event pairs, 1282 based on Foata normal form. 15/8493 useless extension candidates. Maximal degree in co-relation 39553. Up to 6254 conditions per place. [2023-08-25 03:50:01,645 INFO L140 encePairwiseOnDemand]: 455/481 looper letters, 953 selfloop transitions, 152 changer transitions 2/1108 dead transitions. [2023-08-25 03:50:01,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 1108 transitions, 12181 flow [2023-08-25 03:50:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:50:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:50:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1757 transitions. [2023-08-25 03:50:01,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2609147609147609 [2023-08-25 03:50:01,650 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1757 transitions. [2023-08-25 03:50:01,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1757 transitions. [2023-08-25 03:50:01,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:01,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1757 transitions. [2023-08-25 03:50:01,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 125.5) internal successors, (1757), 14 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:01,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 481.0) internal successors, (7215), 15 states have internal predecessors, (7215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:01,661 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 481.0) internal successors, (7215), 15 states have internal predecessors, (7215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:01,661 INFO L175 Difference]: Start difference. First operand has 186 places, 581 transitions, 5546 flow. Second operand 14 states and 1757 transitions. [2023-08-25 03:50:01,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 1108 transitions, 12181 flow [2023-08-25 03:50:01,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 1108 transitions, 12169 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-25 03:50:01,890 INFO L231 Difference]: Finished difference. Result has 209 places, 662 transitions, 7154 flow [2023-08-25 03:50:01,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=5536, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7154, PETRI_PLACES=209, PETRI_TRANSITIONS=662} [2023-08-25 03:50:01,892 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 126 predicate places. [2023-08-25 03:50:01,892 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 662 transitions, 7154 flow [2023-08-25 03:50:01,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 105.9090909090909) internal successors, (1165), 11 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:01,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:01,894 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:01,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 03:50:01,894 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:01,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:01,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1534260220, now seen corresponding path program 3 times [2023-08-25 03:50:01,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:01,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212213329] [2023-08-25 03:50:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:03,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:03,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212213329] [2023-08-25 03:50:03,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212213329] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:03,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:03,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:50:03,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743735722] [2023-08-25 03:50:03,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:03,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:50:03,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:03,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:50:03,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:50:03,998 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:50:03,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 662 transitions, 7154 flow. Second operand has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:03,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:03,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:50:03,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:09,370 INFO L124 PetriNetUnfolderBase]: 4613/9533 cut-off events. [2023-08-25 03:50:09,370 INFO L125 PetriNetUnfolderBase]: For 36887/36887 co-relation queries the response was YES. [2023-08-25 03:50:09,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44458 conditions, 9533 events. 4613/9533 cut-off events. For 36887/36887 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 67282 event pairs, 1203 based on Foata normal form. 15/8959 useless extension candidates. Maximal degree in co-relation 44392. Up to 5061 conditions per place. [2023-08-25 03:50:09,442 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 810 selfloop transitions, 194 changer transitions 2/1007 dead transitions. [2023-08-25 03:50:09,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 1007 transitions, 12099 flow [2023-08-25 03:50:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:50:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:50:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1856 transitions. [2023-08-25 03:50:09,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2572418572418572 [2023-08-25 03:50:09,447 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1856 transitions. [2023-08-25 03:50:09,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1856 transitions. [2023-08-25 03:50:09,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:09,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1856 transitions. [2023-08-25 03:50:09,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 123.73333333333333) internal successors, (1856), 15 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:09,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 481.0) internal successors, (7696), 16 states have internal predecessors, (7696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:09,460 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 481.0) internal successors, (7696), 16 states have internal predecessors, (7696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:09,460 INFO L175 Difference]: Start difference. First operand has 209 places, 662 transitions, 7154 flow. Second operand 15 states and 1856 transitions. [2023-08-25 03:50:09,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 1007 transitions, 12099 flow [2023-08-25 03:50:09,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 1007 transitions, 11971 flow, removed 61 selfloop flow, removed 1 redundant places. [2023-08-25 03:50:09,827 INFO L231 Difference]: Finished difference. Result has 228 places, 745 transitions, 8739 flow [2023-08-25 03:50:09,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=7026, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=8739, PETRI_PLACES=228, PETRI_TRANSITIONS=745} [2023-08-25 03:50:09,828 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 145 predicate places. [2023-08-25 03:50:09,828 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 745 transitions, 8739 flow [2023-08-25 03:50:09,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:09,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:09,829 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:09,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-25 03:50:09,829 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:09,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:09,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1028885888, now seen corresponding path program 4 times [2023-08-25 03:50:09,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:09,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410948324] [2023-08-25 03:50:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:09,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:12,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:12,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410948324] [2023-08-25 03:50:12,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410948324] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:12,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:12,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:50:12,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827508784] [2023-08-25 03:50:12,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:12,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:50:12,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:12,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:50:12,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:50:12,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:50:12,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 745 transitions, 8739 flow. Second operand has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:12,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:12,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:50:12,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:17,555 INFO L124 PetriNetUnfolderBase]: 4953/10238 cut-off events. [2023-08-25 03:50:17,555 INFO L125 PetriNetUnfolderBase]: For 46736/46736 co-relation queries the response was YES. [2023-08-25 03:50:17,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49693 conditions, 10238 events. 4953/10238 cut-off events. For 46736/46736 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 73660 event pairs, 1168 based on Foata normal form. 28/9623 useless extension candidates. Maximal degree in co-relation 49620. Up to 2821 conditions per place. [2023-08-25 03:50:17,636 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1097 selfloop transitions, 225 changer transitions 2/1325 dead transitions. [2023-08-25 03:50:17,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 1325 transitions, 16503 flow [2023-08-25 03:50:17,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:50:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:50:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1886 transitions. [2023-08-25 03:50:17,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2613998613998614 [2023-08-25 03:50:17,640 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1886 transitions. [2023-08-25 03:50:17,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1886 transitions. [2023-08-25 03:50:17,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:17,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1886 transitions. [2023-08-25 03:50:17,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 125.73333333333333) internal successors, (1886), 15 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:17,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 481.0) internal successors, (7696), 16 states have internal predecessors, (7696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:17,657 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 481.0) internal successors, (7696), 16 states have internal predecessors, (7696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:17,657 INFO L175 Difference]: Start difference. First operand has 228 places, 745 transitions, 8739 flow. Second operand 15 states and 1886 transitions. [2023-08-25 03:50:17,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 1325 transitions, 16503 flow [2023-08-25 03:50:17,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 1325 transitions, 16393 flow, removed 25 selfloop flow, removed 8 redundant places. [2023-08-25 03:50:17,996 INFO L231 Difference]: Finished difference. Result has 242 places, 824 transitions, 10617 flow [2023-08-25 03:50:17,997 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=8643, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10617, PETRI_PLACES=242, PETRI_TRANSITIONS=824} [2023-08-25 03:50:17,997 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 159 predicate places. [2023-08-25 03:50:17,997 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 824 transitions, 10617 flow [2023-08-25 03:50:17,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:17,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:17,998 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:17,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-25 03:50:17,998 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:17,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash -659985065, now seen corresponding path program 1 times [2023-08-25 03:50:17,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:17,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652019351] [2023-08-25 03:50:17,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:17,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:19,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:19,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652019351] [2023-08-25 03:50:19,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652019351] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:19,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:19,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:50:19,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269819658] [2023-08-25 03:50:19,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:19,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:50:19,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:19,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:50:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:50:19,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 481 [2023-08-25 03:50:19,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 824 transitions, 10617 flow. Second operand has 10 states, 10 states have (on average 122.1) internal successors, (1221), 10 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:19,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:19,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 481 [2023-08-25 03:50:19,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:23,665 INFO L124 PetriNetUnfolderBase]: 4601/9648 cut-off events. [2023-08-25 03:50:23,665 INFO L125 PetriNetUnfolderBase]: For 56402/56404 co-relation queries the response was YES. [2023-08-25 03:50:23,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49827 conditions, 9648 events. 4601/9648 cut-off events. For 56402/56404 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 70071 event pairs, 1244 based on Foata normal form. 2/9071 useless extension candidates. Maximal degree in co-relation 49747. Up to 8661 conditions per place. [2023-08-25 03:50:23,731 INFO L140 encePairwiseOnDemand]: 464/481 looper letters, 898 selfloop transitions, 96 changer transitions 4/1000 dead transitions. [2023-08-25 03:50:23,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 1000 transitions, 13794 flow [2023-08-25 03:50:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-25 03:50:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-25 03:50:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1824 transitions. [2023-08-25 03:50:23,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2916999840076763 [2023-08-25 03:50:23,734 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1824 transitions. [2023-08-25 03:50:23,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1824 transitions. [2023-08-25 03:50:23,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:23,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1824 transitions. [2023-08-25 03:50:23,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.30769230769232) internal successors, (1824), 13 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:23,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 481.0) internal successors, (6734), 14 states have internal predecessors, (6734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:23,742 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 481.0) internal successors, (6734), 14 states have internal predecessors, (6734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:23,742 INFO L175 Difference]: Start difference. First operand has 242 places, 824 transitions, 10617 flow. Second operand 13 states and 1824 transitions. [2023-08-25 03:50:23,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 1000 transitions, 13794 flow [2023-08-25 03:50:24,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 1000 transitions, 13654 flow, removed 54 selfloop flow, removed 5 redundant places. [2023-08-25 03:50:24,045 INFO L231 Difference]: Finished difference. Result has 253 places, 850 transitions, 11047 flow [2023-08-25 03:50:24,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=10481, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=824, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=741, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11047, PETRI_PLACES=253, PETRI_TRANSITIONS=850} [2023-08-25 03:50:24,046 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 170 predicate places. [2023-08-25 03:50:24,046 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 850 transitions, 11047 flow [2023-08-25 03:50:24,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 122.1) internal successors, (1221), 10 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:24,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:24,047 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:24,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-25 03:50:24,047 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:24,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:24,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1793438634, now seen corresponding path program 5 times [2023-08-25 03:50:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:24,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524479510] [2023-08-25 03:50:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:24,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:27,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524479510] [2023-08-25 03:50:27,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524479510] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:27,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:27,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:50:27,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328664693] [2023-08-25 03:50:27,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:27,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:50:27,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:27,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:50:27,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:50:27,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:50:27,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 850 transitions, 11047 flow. Second operand has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:27,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:27,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:50:27,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:31,842 INFO L124 PetriNetUnfolderBase]: 5010/10364 cut-off events. [2023-08-25 03:50:31,842 INFO L125 PetriNetUnfolderBase]: For 63834/63834 co-relation queries the response was YES. [2023-08-25 03:50:31,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54919 conditions, 10364 events. 5010/10364 cut-off events. For 63834/63834 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 74521 event pairs, 1274 based on Foata normal form. 15/9772 useless extension candidates. Maximal degree in co-relation 54835. Up to 5110 conditions per place. [2023-08-25 03:50:31,944 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 894 selfloop transitions, 235 changer transitions 2/1132 dead transitions. [2023-08-25 03:50:31,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 1132 transitions, 15984 flow [2023-08-25 03:50:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:50:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:50:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1968 transitions. [2023-08-25 03:50:31,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25571725571725573 [2023-08-25 03:50:31,946 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1968 transitions. [2023-08-25 03:50:31,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1968 transitions. [2023-08-25 03:50:31,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:31,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1968 transitions. [2023-08-25 03:50:31,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:31,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:31,957 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:31,957 INFO L175 Difference]: Start difference. First operand has 253 places, 850 transitions, 11047 flow. Second operand 16 states and 1968 transitions. [2023-08-25 03:50:31,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 1132 transitions, 15984 flow [2023-08-25 03:50:32,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 1132 transitions, 15934 flow, removed 23 selfloop flow, removed 1 redundant places. [2023-08-25 03:50:32,339 INFO L231 Difference]: Finished difference. Result has 272 places, 907 transitions, 12753 flow [2023-08-25 03:50:32,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=11005, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=12753, PETRI_PLACES=272, PETRI_TRANSITIONS=907} [2023-08-25 03:50:32,340 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 189 predicate places. [2023-08-25 03:50:32,340 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 907 transitions, 12753 flow [2023-08-25 03:50:32,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:32,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:32,340 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:32,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-25 03:50:32,340 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:32,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:32,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1704645516, now seen corresponding path program 6 times [2023-08-25 03:50:32,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:32,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061169646] [2023-08-25 03:50:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:32,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:34,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:34,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061169646] [2023-08-25 03:50:34,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061169646] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:34,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:34,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:50:34,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481405710] [2023-08-25 03:50:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:34,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:50:34,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:34,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:50:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:50:34,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:50:34,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 907 transitions, 12753 flow. Second operand has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:34,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:34,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:50:34,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:40,048 INFO L124 PetriNetUnfolderBase]: 5044/10434 cut-off events. [2023-08-25 03:50:40,048 INFO L125 PetriNetUnfolderBase]: For 74347/74347 co-relation queries the response was YES. [2023-08-25 03:50:40,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57303 conditions, 10434 events. 5044/10434 cut-off events. For 74347/74347 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 75157 event pairs, 1287 based on Foata normal form. 5/9832 useless extension candidates. Maximal degree in co-relation 57213. Up to 5265 conditions per place. [2023-08-25 03:50:40,180 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 838 selfloop transitions, 262 changer transitions 2/1103 dead transitions. [2023-08-25 03:50:40,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 1103 transitions, 16532 flow [2023-08-25 03:50:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:50:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:50:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1958 transitions. [2023-08-25 03:50:40,182 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2544178794178794 [2023-08-25 03:50:40,182 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1958 transitions. [2023-08-25 03:50:40,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1958 transitions. [2023-08-25 03:50:40,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:40,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1958 transitions. [2023-08-25 03:50:40,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 122.375) internal successors, (1958), 16 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:40,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:40,190 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:40,191 INFO L175 Difference]: Start difference. First operand has 272 places, 907 transitions, 12753 flow. Second operand 16 states and 1958 transitions. [2023-08-25 03:50:40,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 1103 transitions, 16532 flow [2023-08-25 03:50:40,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 1103 transitions, 16326 flow, removed 50 selfloop flow, removed 9 redundant places. [2023-08-25 03:50:40,632 INFO L231 Difference]: Finished difference. Result has 281 places, 924 transitions, 13752 flow [2023-08-25 03:50:40,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=12547, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=13752, PETRI_PLACES=281, PETRI_TRANSITIONS=924} [2023-08-25 03:50:40,633 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 198 predicate places. [2023-08-25 03:50:40,633 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 924 transitions, 13752 flow [2023-08-25 03:50:40,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:40,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:40,634 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:40,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-25 03:50:40,634 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:40,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:40,634 INFO L85 PathProgramCache]: Analyzing trace with hash 892730214, now seen corresponding path program 7 times [2023-08-25 03:50:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:40,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652990810] [2023-08-25 03:50:40,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:40,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:43,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:43,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652990810] [2023-08-25 03:50:43,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652990810] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:43,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:43,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:50:43,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46672383] [2023-08-25 03:50:43,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:43,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:50:43,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:43,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:50:43,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:50:43,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:50:43,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 924 transitions, 13752 flow. Second operand has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:43,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:43,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:50:43,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:49,210 INFO L124 PetriNetUnfolderBase]: 5081/10509 cut-off events. [2023-08-25 03:50:49,210 INFO L125 PetriNetUnfolderBase]: For 84826/84826 co-relation queries the response was YES. [2023-08-25 03:50:49,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59849 conditions, 10509 events. 5081/10509 cut-off events. For 84826/84826 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 75771 event pairs, 1279 based on Foata normal form. 15/9917 useless extension candidates. Maximal degree in co-relation 59756. Up to 5266 conditions per place. [2023-08-25 03:50:49,305 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 865 selfloop transitions, 286 changer transitions 2/1154 dead transitions. [2023-08-25 03:50:49,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 1154 transitions, 18129 flow [2023-08-25 03:50:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-25 03:50:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-25 03:50:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2075 transitions. [2023-08-25 03:50:49,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25376054787819496 [2023-08-25 03:50:49,308 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2075 transitions. [2023-08-25 03:50:49,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2075 transitions. [2023-08-25 03:50:49,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:49,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2075 transitions. [2023-08-25 03:50:49,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 122.05882352941177) internal successors, (2075), 17 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:49,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 481.0) internal successors, (8658), 18 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:49,317 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 481.0) internal successors, (8658), 18 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:49,317 INFO L175 Difference]: Start difference. First operand has 281 places, 924 transitions, 13752 flow. Second operand 17 states and 2075 transitions. [2023-08-25 03:50:49,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 1154 transitions, 18129 flow [2023-08-25 03:50:49,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 1154 transitions, 17885 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-08-25 03:50:49,730 INFO L231 Difference]: Finished difference. Result has 290 places, 958 transitions, 15279 flow [2023-08-25 03:50:49,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=13514, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=924, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=15279, PETRI_PLACES=290, PETRI_TRANSITIONS=958} [2023-08-25 03:50:49,731 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 207 predicate places. [2023-08-25 03:50:49,731 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 958 transitions, 15279 flow [2023-08-25 03:50:49,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:49,731 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:49,731 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:49,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-25 03:50:49,732 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:49,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2085215181, now seen corresponding path program 1 times [2023-08-25 03:50:49,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:49,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326636733] [2023-08-25 03:50:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:50:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:50:52,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:50:52,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326636733] [2023-08-25 03:50:52,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326636733] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:50:52,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:50:52,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:50:52,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307967198] [2023-08-25 03:50:52,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:50:52,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:50:52,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:50:52,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:50:52,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:50:52,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 481 [2023-08-25 03:50:52,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 958 transitions, 15279 flow. Second operand has 12 states, 12 states have (on average 107.75) internal successors, (1293), 12 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:52,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:50:52,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 481 [2023-08-25 03:50:52,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:50:58,653 INFO L124 PetriNetUnfolderBase]: 4998/10334 cut-off events. [2023-08-25 03:50:58,653 INFO L125 PetriNetUnfolderBase]: For 91866/91866 co-relation queries the response was YES. [2023-08-25 03:50:58,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60665 conditions, 10334 events. 4998/10334 cut-off events. For 91866/91866 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 74784 event pairs, 892 based on Foata normal form. 83/9816 useless extension candidates. Maximal degree in co-relation 60567. Up to 2964 conditions per place. [2023-08-25 03:50:58,783 INFO L140 encePairwiseOnDemand]: 461/481 looper letters, 1310 selfloop transitions, 278 changer transitions 2/1591 dead transitions. [2023-08-25 03:50:58,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 1591 transitions, 25697 flow [2023-08-25 03:50:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:50:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:50:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2106 transitions. [2023-08-25 03:50:58,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.27364864864864863 [2023-08-25 03:50:58,786 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2106 transitions. [2023-08-25 03:50:58,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2106 transitions. [2023-08-25 03:50:58,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:50:58,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2106 transitions. [2023-08-25 03:50:58,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 131.625) internal successors, (2106), 16 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:58,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:58,794 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:58,794 INFO L175 Difference]: Start difference. First operand has 290 places, 958 transitions, 15279 flow. Second operand 16 states and 2106 transitions. [2023-08-25 03:50:58,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 1591 transitions, 25697 flow [2023-08-25 03:50:59,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 1591 transitions, 25422 flow, removed 34 selfloop flow, removed 11 redundant places. [2023-08-25 03:50:59,400 INFO L231 Difference]: Finished difference. Result has 304 places, 1087 transitions, 17799 flow [2023-08-25 03:50:59,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=15042, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=17799, PETRI_PLACES=304, PETRI_TRANSITIONS=1087} [2023-08-25 03:50:59,401 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 221 predicate places. [2023-08-25 03:50:59,401 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 1087 transitions, 17799 flow [2023-08-25 03:50:59,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 107.75) internal successors, (1293), 12 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:50:59,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:50:59,402 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:50:59,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-25 03:50:59,402 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:50:59,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:50:59,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1976163699, now seen corresponding path program 2 times [2023-08-25 03:50:59,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:50:59,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385487976] [2023-08-25 03:50:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:50:59,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:50:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:51:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:51:02,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:51:02,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385487976] [2023-08-25 03:51:02,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385487976] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:51:02,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:51:02,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:51:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356541439] [2023-08-25 03:51:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:51:02,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:51:02,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:51:02,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:51:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:51:02,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 481 [2023-08-25 03:51:02,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 1087 transitions, 17799 flow. Second operand has 11 states, 11 states have (on average 107.9090909090909) internal successors, (1187), 11 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:02,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:51:02,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 481 [2023-08-25 03:51:02,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:51:09,669 INFO L124 PetriNetUnfolderBase]: 5024/10396 cut-off events. [2023-08-25 03:51:09,669 INFO L125 PetriNetUnfolderBase]: For 107023/107023 co-relation queries the response was YES. [2023-08-25 03:51:09,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65707 conditions, 10396 events. 5024/10396 cut-off events. For 107023/107023 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 75256 event pairs, 1040 based on Foata normal form. 24/9816 useless extension candidates. Maximal degree in co-relation 65599. Up to 5557 conditions per place. [2023-08-25 03:51:09,771 INFO L140 encePairwiseOnDemand]: 453/481 looper letters, 1335 selfloop transitions, 394 changer transitions 2/1732 dead transitions. [2023-08-25 03:51:09,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 1732 transitions, 28707 flow [2023-08-25 03:51:09,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:51:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:51:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2091 transitions. [2023-08-25 03:51:09,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2716995841995842 [2023-08-25 03:51:09,773 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2091 transitions. [2023-08-25 03:51:09,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2091 transitions. [2023-08-25 03:51:09,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:51:09,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2091 transitions. [2023-08-25 03:51:09,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 130.6875) internal successors, (2091), 16 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:09,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:09,781 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:09,781 INFO L175 Difference]: Start difference. First operand has 304 places, 1087 transitions, 17799 flow. Second operand 16 states and 2091 transitions. [2023-08-25 03:51:09,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 1732 transitions, 28707 flow [2023-08-25 03:51:10,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 1732 transitions, 28498 flow, removed 24 selfloop flow, removed 6 redundant places. [2023-08-25 03:51:10,665 INFO L231 Difference]: Finished difference. Result has 320 places, 1319 transitions, 22615 flow [2023-08-25 03:51:10,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=17643, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1087, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=717, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22615, PETRI_PLACES=320, PETRI_TRANSITIONS=1319} [2023-08-25 03:51:10,667 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 237 predicate places. [2023-08-25 03:51:10,667 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 1319 transitions, 22615 flow [2023-08-25 03:51:10,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 107.9090909090909) internal successors, (1187), 11 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:10,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:51:10,668 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:51:10,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-25 03:51:10,668 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:51:10,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:51:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1490418233, now seen corresponding path program 3 times [2023-08-25 03:51:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:51:10,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134826854] [2023-08-25 03:51:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:51:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:51:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:51:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:51:12,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:51:12,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134826854] [2023-08-25 03:51:12,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134826854] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:51:12,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:51:12,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:51:12,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307525688] [2023-08-25 03:51:12,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:51:12,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:51:12,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:51:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:51:12,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:51:12,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 481 [2023-08-25 03:51:12,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 1319 transitions, 22615 flow. Second operand has 11 states, 11 states have (on average 107.9090909090909) internal successors, (1187), 11 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:12,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:51:12,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 481 [2023-08-25 03:51:12,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:51:21,075 INFO L124 PetriNetUnfolderBase]: 4986/10317 cut-off events. [2023-08-25 03:51:21,075 INFO L125 PetriNetUnfolderBase]: For 111300/111300 co-relation queries the response was YES. [2023-08-25 03:51:21,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67999 conditions, 10317 events. 4986/10317 cut-off events. For 111300/111300 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 74817 event pairs, 787 based on Foata normal form. 38/9754 useless extension candidates. Maximal degree in co-relation 67884. Up to 4665 conditions per place. [2023-08-25 03:51:21,227 INFO L140 encePairwiseOnDemand]: 453/481 looper letters, 1466 selfloop transitions, 694 changer transitions 2/2163 dead transitions. [2023-08-25 03:51:21,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 2163 transitions, 35676 flow [2023-08-25 03:51:21,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-08-25 03:51:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-08-25 03:51:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3721 transitions. [2023-08-25 03:51:21,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.27628452628452627 [2023-08-25 03:51:21,232 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3721 transitions. [2023-08-25 03:51:21,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3721 transitions. [2023-08-25 03:51:21,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:51:21,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3721 transitions. [2023-08-25 03:51:21,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 132.89285714285714) internal successors, (3721), 28 states have internal predecessors, (3721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:21,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 481.0) internal successors, (13949), 29 states have internal predecessors, (13949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:21,243 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 481.0) internal successors, (13949), 29 states have internal predecessors, (13949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:21,243 INFO L175 Difference]: Start difference. First operand has 320 places, 1319 transitions, 22615 flow. Second operand 28 states and 3721 transitions. [2023-08-25 03:51:21,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 2163 transitions, 35676 flow [2023-08-25 03:51:22,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 2163 transitions, 35535 flow, removed 52 selfloop flow, removed 3 redundant places. [2023-08-25 03:51:22,534 INFO L231 Difference]: Finished difference. Result has 352 places, 1366 transitions, 24982 flow [2023-08-25 03:51:22,535 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=22486, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=649, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=635, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=24982, PETRI_PLACES=352, PETRI_TRANSITIONS=1366} [2023-08-25 03:51:22,535 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 269 predicate places. [2023-08-25 03:51:22,535 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 1366 transitions, 24982 flow [2023-08-25 03:51:22,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 107.9090909090909) internal successors, (1187), 11 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:22,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:51:22,536 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:51:22,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-25 03:51:22,536 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:51:22,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:51:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1942345844, now seen corresponding path program 8 times [2023-08-25 03:51:22,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:51:22,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003731083] [2023-08-25 03:51:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:51:22,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:51:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:51:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:51:25,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:51:25,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003731083] [2023-08-25 03:51:25,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003731083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:51:25,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:51:25,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:51:25,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345436638] [2023-08-25 03:51:25,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:51:25,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:51:25,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:51:25,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:51:25,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:51:25,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:51:25,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 1366 transitions, 24982 flow. Second operand has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:25,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:51:25,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:51:25,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:51:32,683 INFO L124 PetriNetUnfolderBase]: 5458/11317 cut-off events. [2023-08-25 03:51:32,684 INFO L125 PetriNetUnfolderBase]: For 148701/148701 co-relation queries the response was YES. [2023-08-25 03:51:32,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77235 conditions, 11317 events. 5458/11317 cut-off events. For 148701/148701 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 83818 event pairs, 1312 based on Foata normal form. 14/10621 useless extension candidates. Maximal degree in co-relation 77113. Up to 5263 conditions per place. [2023-08-25 03:51:32,807 INFO L140 encePairwiseOnDemand]: 454/481 looper letters, 1646 selfloop transitions, 288 changer transitions 2/1937 dead transitions. [2023-08-25 03:51:32,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 1937 transitions, 35022 flow [2023-08-25 03:51:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:51:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:51:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2034 transitions. [2023-08-25 03:51:32,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2642931392931393 [2023-08-25 03:51:32,810 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2034 transitions. [2023-08-25 03:51:32,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2034 transitions. [2023-08-25 03:51:32,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:51:32,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2034 transitions. [2023-08-25 03:51:32,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 127.125) internal successors, (2034), 16 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:32,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:32,817 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:32,817 INFO L175 Difference]: Start difference. First operand has 352 places, 1366 transitions, 24982 flow. Second operand 16 states and 2034 transitions. [2023-08-25 03:51:32,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 1937 transitions, 35022 flow [2023-08-25 03:51:33,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 1937 transitions, 32531 flow, removed 542 selfloop flow, removed 17 redundant places. [2023-08-25 03:51:33,992 INFO L231 Difference]: Finished difference. Result has 354 places, 1403 transitions, 24227 flow [2023-08-25 03:51:33,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=22698, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=24227, PETRI_PLACES=354, PETRI_TRANSITIONS=1403} [2023-08-25 03:51:33,993 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 271 predicate places. [2023-08-25 03:51:33,993 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 1403 transitions, 24227 flow [2023-08-25 03:51:33,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 105.75) internal successors, (1269), 12 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:33,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:51:33,993 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:51:33,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-25 03:51:33,994 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:51:33,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:51:33,994 INFO L85 PathProgramCache]: Analyzing trace with hash 286240901, now seen corresponding path program 1 times [2023-08-25 03:51:33,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:51:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543794174] [2023-08-25 03:51:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:51:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:51:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:51:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:51:34,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:51:34,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543794174] [2023-08-25 03:51:34,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543794174] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:51:34,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:51:34,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:51:34,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164537353] [2023-08-25 03:51:34,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:51:34,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:51:34,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:51:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:51:34,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:51:34,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 481 [2023-08-25 03:51:34,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 1403 transitions, 24227 flow. Second operand has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:34,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:51:34,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 481 [2023-08-25 03:51:34,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:51:39,704 INFO L124 PetriNetUnfolderBase]: 5026/10532 cut-off events. [2023-08-25 03:51:39,704 INFO L125 PetriNetUnfolderBase]: For 134269/134269 co-relation queries the response was YES. [2023-08-25 03:51:39,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71051 conditions, 10532 events. 5026/10532 cut-off events. For 134269/134269 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 78100 event pairs, 802 based on Foata normal form. 0/9961 useless extension candidates. Maximal degree in co-relation 70930. Up to 7789 conditions per place. [2023-08-25 03:51:39,822 INFO L140 encePairwiseOnDemand]: 475/481 looper letters, 1546 selfloop transitions, 51 changer transitions 0/1599 dead transitions. [2023-08-25 03:51:39,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 1599 transitions, 29865 flow [2023-08-25 03:51:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:51:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:51:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 947 transitions. [2023-08-25 03:51:39,824 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32813582813582814 [2023-08-25 03:51:39,824 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 947 transitions. [2023-08-25 03:51:39,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 947 transitions. [2023-08-25 03:51:39,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:51:39,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 947 transitions. [2023-08-25 03:51:39,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:39,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:39,826 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:39,826 INFO L175 Difference]: Start difference. First operand has 354 places, 1403 transitions, 24227 flow. Second operand 6 states and 947 transitions. [2023-08-25 03:51:39,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 1599 transitions, 29865 flow [2023-08-25 03:51:40,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 1599 transitions, 29588 flow, removed 91 selfloop flow, removed 4 redundant places. [2023-08-25 03:51:40,651 INFO L231 Difference]: Finished difference. Result has 354 places, 1402 transitions, 24059 flow [2023-08-25 03:51:40,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=23957, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=24059, PETRI_PLACES=354, PETRI_TRANSITIONS=1402} [2023-08-25 03:51:40,652 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 271 predicate places. [2023-08-25 03:51:40,652 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 1402 transitions, 24059 flow [2023-08-25 03:51:40,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:40,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:51:40,652 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:51:40,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-25 03:51:40,652 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:51:40,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:51:40,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1925779287, now seen corresponding path program 1 times [2023-08-25 03:51:40,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:51:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016373993] [2023-08-25 03:51:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:51:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:51:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:51:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:51:41,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:51:41,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016373993] [2023-08-25 03:51:41,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016373993] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:51:41,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:51:41,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:51:41,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614770620] [2023-08-25 03:51:41,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:51:41,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:51:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:51:41,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:51:41,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:51:41,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 481 [2023-08-25 03:51:41,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 1402 transitions, 24059 flow. Second operand has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:41,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:51:41,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 481 [2023-08-25 03:51:41,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:51:47,486 INFO L124 PetriNetUnfolderBase]: 5502/11446 cut-off events. [2023-08-25 03:51:47,487 INFO L125 PetriNetUnfolderBase]: For 147932/147938 co-relation queries the response was YES. [2023-08-25 03:51:47,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76851 conditions, 11446 events. 5502/11446 cut-off events. For 147932/147938 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 85739 event pairs, 1163 based on Foata normal form. 0/10904 useless extension candidates. Maximal degree in co-relation 76729. Up to 9616 conditions per place. [2023-08-25 03:51:47,628 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1499 selfloop transitions, 188 changer transitions 8/1705 dead transitions. [2023-08-25 03:51:47,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 1705 transitions, 31395 flow [2023-08-25 03:51:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:51:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:51:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1101 transitions. [2023-08-25 03:51:47,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3814968814968815 [2023-08-25 03:51:47,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1101 transitions. [2023-08-25 03:51:47,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1101 transitions. [2023-08-25 03:51:47,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:51:47,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1101 transitions. [2023-08-25 03:51:47,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.5) internal successors, (1101), 6 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:47,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:47,633 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 481.0) internal successors, (3367), 7 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:47,633 INFO L175 Difference]: Start difference. First operand has 354 places, 1402 transitions, 24059 flow. Second operand 6 states and 1101 transitions. [2023-08-25 03:51:47,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 1705 transitions, 31395 flow [2023-08-25 03:51:48,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 1705 transitions, 31243 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-25 03:51:48,548 INFO L231 Difference]: Finished difference. Result has 359 places, 1550 transitions, 26719 flow [2023-08-25 03:51:48,548 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=23957, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=26719, PETRI_PLACES=359, PETRI_TRANSITIONS=1550} [2023-08-25 03:51:48,549 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 276 predicate places. [2023-08-25 03:51:48,549 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 1550 transitions, 26719 flow [2023-08-25 03:51:48,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:48,549 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:51:48,549 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:51:48,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-25 03:51:48,549 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:51:48,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:51:48,549 INFO L85 PathProgramCache]: Analyzing trace with hash -330506676, now seen corresponding path program 1 times [2023-08-25 03:51:48,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:51:48,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260723194] [2023-08-25 03:51:48,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:51:48,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:51:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:51:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:51:51,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:51:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260723194] [2023-08-25 03:51:51,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260723194] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:51:51,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:51:51,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:51:51,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826512367] [2023-08-25 03:51:51,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:51:51,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:51:51,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:51:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:51:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:51:51,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:51:51,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 1550 transitions, 26719 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:51:51,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:51:51,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:51:51,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:52:00,063 INFO L124 PetriNetUnfolderBase]: 5673/11760 cut-off events. [2023-08-25 03:52:00,063 INFO L125 PetriNetUnfolderBase]: For 154399/154404 co-relation queries the response was YES. [2023-08-25 03:52:00,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81035 conditions, 11760 events. 5673/11760 cut-off events. For 154399/154404 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 87528 event pairs, 1399 based on Foata normal form. 1/11286 useless extension candidates. Maximal degree in co-relation 80909. Up to 3844 conditions per place. [2023-08-25 03:52:00,203 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1559 selfloop transitions, 336 changer transitions 2/1898 dead transitions. [2023-08-25 03:52:00,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 1898 transitions, 33897 flow [2023-08-25 03:52:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:52:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:52:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1978 transitions. [2023-08-25 03:52:00,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.257016632016632 [2023-08-25 03:52:00,205 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1978 transitions. [2023-08-25 03:52:00,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1978 transitions. [2023-08-25 03:52:00,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:52:00,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1978 transitions. [2023-08-25 03:52:00,207 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) [2023-08-25 03:52:00,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:00,211 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:00,212 INFO L175 Difference]: Start difference. First operand has 359 places, 1550 transitions, 26719 flow. Second operand 16 states and 1978 transitions. [2023-08-25 03:52:00,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 1898 transitions, 33897 flow [2023-08-25 03:52:01,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 1898 transitions, 33239 flow, removed 329 selfloop flow, removed 0 redundant places. [2023-08-25 03:52:01,430 INFO L231 Difference]: Finished difference. Result has 377 places, 1559 transitions, 27295 flow [2023-08-25 03:52:01,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=26139, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=27295, PETRI_PLACES=377, PETRI_TRANSITIONS=1559} [2023-08-25 03:52:01,431 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 294 predicate places. [2023-08-25 03:52:01,431 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 1559 transitions, 27295 flow [2023-08-25 03:52:01,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:01,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:52:01,431 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:52:01,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-25 03:52:01,431 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:52:01,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:52:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash 660971816, now seen corresponding path program 2 times [2023-08-25 03:52:01,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:52:01,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832161023] [2023-08-25 03:52:01,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:52:01,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:52:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:52:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:52:04,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:52:04,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832161023] [2023-08-25 03:52:04,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832161023] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:52:04,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:52:04,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:52:04,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336882080] [2023-08-25 03:52:04,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:52:04,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:52:04,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:52:04,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:52:04,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:52:04,282 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:52:04,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 1559 transitions, 27295 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:04,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:52:04,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:52:04,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:52:12,469 INFO L124 PetriNetUnfolderBase]: 5672/11763 cut-off events. [2023-08-25 03:52:12,469 INFO L125 PetriNetUnfolderBase]: For 171937/171941 co-relation queries the response was YES. [2023-08-25 03:52:12,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82357 conditions, 11763 events. 5672/11763 cut-off events. For 171937/171941 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 87365 event pairs, 1512 based on Foata normal form. 1/11289 useless extension candidates. Maximal degree in co-relation 82227. Up to 6021 conditions per place. [2023-08-25 03:52:12,605 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1391 selfloop transitions, 383 changer transitions 2/1777 dead transitions. [2023-08-25 03:52:12,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1777 transitions, 32749 flow [2023-08-25 03:52:12,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-25 03:52:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-25 03:52:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2180 transitions. [2023-08-25 03:52:12,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2517902517902518 [2023-08-25 03:52:12,607 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2180 transitions. [2023-08-25 03:52:12,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2180 transitions. [2023-08-25 03:52:12,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:52:12,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2180 transitions. [2023-08-25 03:52:12,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 121.11111111111111) internal successors, (2180), 18 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:12,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 481.0) internal successors, (9139), 19 states have internal predecessors, (9139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:12,613 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 481.0) internal successors, (9139), 19 states have internal predecessors, (9139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:12,613 INFO L175 Difference]: Start difference. First operand has 377 places, 1559 transitions, 27295 flow. Second operand 18 states and 2180 transitions. [2023-08-25 03:52:12,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 1777 transitions, 32749 flow [2023-08-25 03:52:13,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 1777 transitions, 32314 flow, removed 23 selfloop flow, removed 11 redundant places. [2023-08-25 03:52:13,680 INFO L231 Difference]: Finished difference. Result has 386 places, 1564 transitions, 28041 flow [2023-08-25 03:52:13,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=26863, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=378, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=28041, PETRI_PLACES=386, PETRI_TRANSITIONS=1564} [2023-08-25 03:52:13,682 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 303 predicate places. [2023-08-25 03:52:13,682 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 1564 transitions, 28041 flow [2023-08-25 03:52:13,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:13,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:52:13,682 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:52:13,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-25 03:52:13,683 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:52:13,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:52:13,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1355704934, now seen corresponding path program 3 times [2023-08-25 03:52:13,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:52:13,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425540154] [2023-08-25 03:52:13,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:52:13,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:52:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:52:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:52:17,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:52:17,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425540154] [2023-08-25 03:52:17,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425540154] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:52:17,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:52:17,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:52:17,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381985691] [2023-08-25 03:52:17,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:52:17,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:52:17,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:52:17,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:52:17,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:52:17,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:52:17,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 1564 transitions, 28041 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:17,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:52:17,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:52:17,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:52:25,596 INFO L124 PetriNetUnfolderBase]: 5674/11768 cut-off events. [2023-08-25 03:52:25,596 INFO L125 PetriNetUnfolderBase]: For 179114/179120 co-relation queries the response was YES. [2023-08-25 03:52:25,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83488 conditions, 11768 events. 5674/11768 cut-off events. For 179114/179120 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 87411 event pairs, 1514 based on Foata normal form. 1/11294 useless extension candidates. Maximal degree in co-relation 83355. Up to 5919 conditions per place. [2023-08-25 03:52:25,742 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1452 selfloop transitions, 337 changer transitions 2/1792 dead transitions. [2023-08-25 03:52:25,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 1792 transitions, 33891 flow [2023-08-25 03:52:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:52:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:52:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1949 transitions. [2023-08-25 03:52:25,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2532484407484408 [2023-08-25 03:52:25,744 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1949 transitions. [2023-08-25 03:52:25,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1949 transitions. [2023-08-25 03:52:25,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:52:25,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1949 transitions. [2023-08-25 03:52:25,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 121.8125) internal successors, (1949), 16 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:25,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:25,750 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:25,750 INFO L175 Difference]: Start difference. First operand has 386 places, 1564 transitions, 28041 flow. Second operand 16 states and 1949 transitions. [2023-08-25 03:52:25,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 1792 transitions, 33891 flow [2023-08-25 03:52:26,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 1792 transitions, 33401 flow, removed 16 selfloop flow, removed 13 redundant places. [2023-08-25 03:52:26,959 INFO L231 Difference]: Finished difference. Result has 391 places, 1569 transitions, 28622 flow [2023-08-25 03:52:26,959 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=27552, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=332, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28622, PETRI_PLACES=391, PETRI_TRANSITIONS=1569} [2023-08-25 03:52:26,960 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 308 predicate places. [2023-08-25 03:52:26,960 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 1569 transitions, 28622 flow [2023-08-25 03:52:26,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:26,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:52:26,960 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:52:26,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-25 03:52:26,960 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:52:26,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:52:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1189768876, now seen corresponding path program 4 times [2023-08-25 03:52:26,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:52:26,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435444316] [2023-08-25 03:52:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:52:26,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:52:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:52:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:52:30,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:52:30,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435444316] [2023-08-25 03:52:30,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435444316] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:52:30,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:52:30,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:52:30,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842116705] [2023-08-25 03:52:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:52:30,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:52:30,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:52:30,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:52:30,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:52:30,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:52:30,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 1569 transitions, 28622 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:30,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:52:30,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:52:30,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:52:39,003 INFO L124 PetriNetUnfolderBase]: 5673/11765 cut-off events. [2023-08-25 03:52:39,003 INFO L125 PetriNetUnfolderBase]: For 190475/190479 co-relation queries the response was YES. [2023-08-25 03:52:39,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84304 conditions, 11765 events. 5673/11765 cut-off events. For 190475/190479 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 87361 event pairs, 1512 based on Foata normal form. 1/11291 useless extension candidates. Maximal degree in co-relation 84168. Up to 5918 conditions per place. [2023-08-25 03:52:39,169 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1384 selfloop transitions, 418 changer transitions 2/1805 dead transitions. [2023-08-25 03:52:39,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 1805 transitions, 34330 flow [2023-08-25 03:52:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 03:52:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 03:52:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2296 transitions. [2023-08-25 03:52:39,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25123098807309335 [2023-08-25 03:52:39,173 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2296 transitions. [2023-08-25 03:52:39,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2296 transitions. [2023-08-25 03:52:39,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:52:39,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2296 transitions. [2023-08-25 03:52:39,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 120.84210526315789) internal successors, (2296), 19 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:39,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 481.0) internal successors, (9620), 20 states have internal predecessors, (9620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:39,181 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 481.0) internal successors, (9620), 20 states have internal predecessors, (9620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:39,181 INFO L175 Difference]: Start difference. First operand has 391 places, 1569 transitions, 28622 flow. Second operand 19 states and 2296 transitions. [2023-08-25 03:52:39,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 1805 transitions, 34330 flow [2023-08-25 03:52:40,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 1805 transitions, 33884 flow, removed 29 selfloop flow, removed 11 redundant places. [2023-08-25 03:52:40,488 INFO L231 Difference]: Finished difference. Result has 402 places, 1576 transitions, 29528 flow [2023-08-25 03:52:40,489 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=28181, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=411, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=29528, PETRI_PLACES=402, PETRI_TRANSITIONS=1576} [2023-08-25 03:52:40,489 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 319 predicate places. [2023-08-25 03:52:40,489 INFO L495 AbstractCegarLoop]: Abstraction has has 402 places, 1576 transitions, 29528 flow [2023-08-25 03:52:40,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:40,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:52:40,490 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:52:40,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-25 03:52:40,490 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:52:40,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:52:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1716254480, now seen corresponding path program 5 times [2023-08-25 03:52:40,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:52:40,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779190146] [2023-08-25 03:52:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:52:40,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:52:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:52:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:52:42,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:52:42,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779190146] [2023-08-25 03:52:42,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779190146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:52:42,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:52:42,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:52:42,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904146852] [2023-08-25 03:52:42,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:52:42,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:52:42,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:52:42,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:52:42,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:52:42,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:52:42,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 1576 transitions, 29528 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:42,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:52:42,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:52:42,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:52:50,110 INFO L124 PetriNetUnfolderBase]: 5679/11773 cut-off events. [2023-08-25 03:52:50,110 INFO L125 PetriNetUnfolderBase]: For 198435/198439 co-relation queries the response was YES. [2023-08-25 03:52:50,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85679 conditions, 11773 events. 5679/11773 cut-off events. For 198435/198439 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 87616 event pairs, 1399 based on Foata normal form. 1/11299 useless extension candidates. Maximal degree in co-relation 85539. Up to 3837 conditions per place. [2023-08-25 03:52:50,321 INFO L140 encePairwiseOnDemand]: 459/481 looper letters, 1577 selfloop transitions, 348 changer transitions 2/1928 dead transitions. [2023-08-25 03:52:50,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 1928 transitions, 36898 flow [2023-08-25 03:52:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-25 03:52:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-25 03:52:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2084 transitions. [2023-08-25 03:52:50,324 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2548611960376666 [2023-08-25 03:52:50,324 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2084 transitions. [2023-08-25 03:52:50,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2084 transitions. [2023-08-25 03:52:50,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:52:50,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2084 transitions. [2023-08-25 03:52:50,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 122.58823529411765) internal successors, (2084), 17 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:50,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 481.0) internal successors, (8658), 18 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:50,330 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 481.0) internal successors, (8658), 18 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:50,330 INFO L175 Difference]: Start difference. First operand has 402 places, 1576 transitions, 29528 flow. Second operand 17 states and 2084 transitions. [2023-08-25 03:52:50,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 1928 transitions, 36898 flow [2023-08-25 03:52:51,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 1928 transitions, 36211 flow, removed 23 selfloop flow, removed 16 redundant places. [2023-08-25 03:52:52,027 INFO L231 Difference]: Finished difference. Result has 406 places, 1589 transitions, 30233 flow [2023-08-25 03:52:52,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=28856, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=335, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=30233, PETRI_PLACES=406, PETRI_TRANSITIONS=1589} [2023-08-25 03:52:52,029 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 323 predicate places. [2023-08-25 03:52:52,029 INFO L495 AbstractCegarLoop]: Abstraction has has 406 places, 1589 transitions, 30233 flow [2023-08-25 03:52:52,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:52,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:52:52,029 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:52:52,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-25 03:52:52,029 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:52:52,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:52:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash 942875016, now seen corresponding path program 6 times [2023-08-25 03:52:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:52:52,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151567901] [2023-08-25 03:52:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:52:52,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:52:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:52:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:52:54,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:52:54,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151567901] [2023-08-25 03:52:54,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151567901] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:52:54,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:52:54,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:52:54,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787980937] [2023-08-25 03:52:54,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:52:54,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:52:54,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:52:54,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:52:54,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:52:54,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:52:54,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 1589 transitions, 30233 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:52:54,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:52:54,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:52:54,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:53:02,944 INFO L124 PetriNetUnfolderBase]: 5678/11771 cut-off events. [2023-08-25 03:53:02,944 INFO L125 PetriNetUnfolderBase]: For 210787/210791 co-relation queries the response was YES. [2023-08-25 03:53:03,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86837 conditions, 11771 events. 5678/11771 cut-off events. For 210787/210791 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 87695 event pairs, 1372 based on Foata normal form. 1/11297 useless extension candidates. Maximal degree in co-relation 86695. Up to 3511 conditions per place. [2023-08-25 03:53:03,150 INFO L140 encePairwiseOnDemand]: 460/481 looper letters, 1453 selfloop transitions, 515 changer transitions 2/1971 dead transitions. [2023-08-25 03:53:03,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1971 transitions, 37684 flow [2023-08-25 03:53:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-25 03:53:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-25 03:53:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2562 transitions. [2023-08-25 03:53:03,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25363825363825365 [2023-08-25 03:53:03,153 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2562 transitions. [2023-08-25 03:53:03,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2562 transitions. [2023-08-25 03:53:03,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:53:03,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2562 transitions. [2023-08-25 03:53:03,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 122.0) internal successors, (2562), 21 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:03,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 481.0) internal successors, (10582), 22 states have internal predecessors, (10582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:03,161 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 481.0) internal successors, (10582), 22 states have internal predecessors, (10582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:03,161 INFO L175 Difference]: Start difference. First operand has 406 places, 1589 transitions, 30233 flow. Second operand 21 states and 2562 transitions. [2023-08-25 03:53:03,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1971 transitions, 37684 flow [2023-08-25 03:53:04,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1971 transitions, 37159 flow, removed 42 selfloop flow, removed 12 redundant places. [2023-08-25 03:53:04,527 INFO L231 Difference]: Finished difference. Result has 419 places, 1600 transitions, 31546 flow [2023-08-25 03:53:04,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=29708, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=507, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1077, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=31546, PETRI_PLACES=419, PETRI_TRANSITIONS=1600} [2023-08-25 03:53:04,529 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 336 predicate places. [2023-08-25 03:53:04,529 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 1600 transitions, 31546 flow [2023-08-25 03:53:04,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:04,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:53:04,529 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:53:04,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-25 03:53:04,529 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:53:04,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:53:04,530 INFO L85 PathProgramCache]: Analyzing trace with hash 18447014, now seen corresponding path program 7 times [2023-08-25 03:53:04,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:53:04,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337576606] [2023-08-25 03:53:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:53:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:53:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:53:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:53:07,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:53:07,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337576606] [2023-08-25 03:53:07,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337576606] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:53:07,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:53:07,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:53:07,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123856784] [2023-08-25 03:53:07,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:53:07,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:53:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:53:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:53:07,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:53:07,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:53:07,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 1600 transitions, 31546 flow. Second operand has 11 states, 11 states have (on average 106.27272727272727) internal successors, (1169), 11 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:07,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:53:07,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:53:07,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:53:14,854 INFO L124 PetriNetUnfolderBase]: 5683/11785 cut-off events. [2023-08-25 03:53:14,855 INFO L125 PetriNetUnfolderBase]: For 229532/229538 co-relation queries the response was YES. [2023-08-25 03:53:14,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88722 conditions, 11785 events. 5683/11785 cut-off events. For 229532/229538 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 87554 event pairs, 1573 based on Foata normal form. 1/11311 useless extension candidates. Maximal degree in co-relation 88575. Up to 6666 conditions per place. [2023-08-25 03:53:15,041 INFO L140 encePairwiseOnDemand]: 455/481 looper letters, 1744 selfloop transitions, 295 changer transitions 2/2042 dead transitions. [2023-08-25 03:53:15,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 2042 transitions, 40490 flow [2023-08-25 03:53:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:53:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:53:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2000 transitions. [2023-08-25 03:53:15,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2598752598752599 [2023-08-25 03:53:15,043 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2000 transitions. [2023-08-25 03:53:15,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2000 transitions. [2023-08-25 03:53:15,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:53:15,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2000 transitions. [2023-08-25 03:53:15,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 125.0) internal successors, (2000), 16 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:15,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:15,051 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 481.0) internal successors, (8177), 17 states have internal predecessors, (8177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:15,051 INFO L175 Difference]: Start difference. First operand has 419 places, 1600 transitions, 31546 flow. Second operand 16 states and 2000 transitions. [2023-08-25 03:53:15,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 2042 transitions, 40490 flow [2023-08-25 03:53:16,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 2042 transitions, 39673 flow, removed 92 selfloop flow, removed 13 redundant places. [2023-08-25 03:53:16,675 INFO L231 Difference]: Finished difference. Result has 424 places, 1609 transitions, 32015 flow [2023-08-25 03:53:16,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=30791, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=32015, PETRI_PLACES=424, PETRI_TRANSITIONS=1609} [2023-08-25 03:53:16,676 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 341 predicate places. [2023-08-25 03:53:16,677 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 1609 transitions, 32015 flow [2023-08-25 03:53:16,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 106.27272727272727) internal successors, (1169), 11 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:16,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:53:16,677 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:53:16,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-25 03:53:16,677 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:53:16,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:53:16,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1056573424, now seen corresponding path program 8 times [2023-08-25 03:53:16,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:53:16,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809805906] [2023-08-25 03:53:16,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:53:16,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:53:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:53:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:53:19,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:53:19,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809805906] [2023-08-25 03:53:19,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809805906] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:53:19,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:53:19,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:53:19,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690588334] [2023-08-25 03:53:19,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:53:19,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:53:19,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:53:19,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:53:19,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:53:19,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:53:19,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1609 transitions, 32015 flow. Second operand has 11 states, 11 states have (on average 106.27272727272727) internal successors, (1169), 11 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:19,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:53:19,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:53:19,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:53:28,668 INFO L124 PetriNetUnfolderBase]: 5690/11802 cut-off events. [2023-08-25 03:53:28,669 INFO L125 PetriNetUnfolderBase]: For 238193/238201 co-relation queries the response was YES. [2023-08-25 03:53:28,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89657 conditions, 11802 events. 5690/11802 cut-off events. For 238193/238201 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 87743 event pairs, 1573 based on Foata normal form. 1/11328 useless extension candidates. Maximal degree in co-relation 89508. Up to 6668 conditions per place. [2023-08-25 03:53:28,865 INFO L140 encePairwiseOnDemand]: 455/481 looper letters, 1746 selfloop transitions, 306 changer transitions 2/2055 dead transitions. [2023-08-25 03:53:28,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 2055 transitions, 41084 flow [2023-08-25 03:53:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-25 03:53:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-25 03:53:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2106 transitions. [2023-08-25 03:53:28,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2575516693163752 [2023-08-25 03:53:28,871 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2106 transitions. [2023-08-25 03:53:28,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2106 transitions. [2023-08-25 03:53:28,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:53:28,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2106 transitions. [2023-08-25 03:53:28,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 123.88235294117646) internal successors, (2106), 17 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:28,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 481.0) internal successors, (8658), 18 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:28,879 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 481.0) internal successors, (8658), 18 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:28,879 INFO L175 Difference]: Start difference. First operand has 424 places, 1609 transitions, 32015 flow. Second operand 17 states and 2106 transitions. [2023-08-25 03:53:28,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 2055 transitions, 41084 flow [2023-08-25 03:53:30,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 2055 transitions, 40789 flow, removed 35 selfloop flow, removed 10 redundant places. [2023-08-25 03:53:30,520 INFO L231 Difference]: Finished difference. Result has 434 places, 1623 transitions, 33183 flow [2023-08-25 03:53:30,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=31720, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=294, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33183, PETRI_PLACES=434, PETRI_TRANSITIONS=1623} [2023-08-25 03:53:30,521 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 351 predicate places. [2023-08-25 03:53:30,521 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 1623 transitions, 33183 flow [2023-08-25 03:53:30,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 106.27272727272727) internal successors, (1169), 11 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:30,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:53:30,522 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:53:30,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-25 03:53:30,522 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:53:30,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:53:30,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1829952888, now seen corresponding path program 9 times [2023-08-25 03:53:30,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:53:30,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516002019] [2023-08-25 03:53:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:53:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:53:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:53:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:53:32,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:53:32,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516002019] [2023-08-25 03:53:32,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516002019] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:53:32,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:53:32,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:53:32,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109295150] [2023-08-25 03:53:32,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:53:32,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:53:32,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:53:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:53:32,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:53:32,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:53:32,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 1623 transitions, 33183 flow. Second operand has 11 states, 11 states have (on average 106.27272727272727) internal successors, (1169), 11 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:32,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:53:32,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:53:32,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:53:41,015 INFO L124 PetriNetUnfolderBase]: 5694/11813 cut-off events. [2023-08-25 03:53:41,015 INFO L125 PetriNetUnfolderBase]: For 258197/258205 co-relation queries the response was YES. [2023-08-25 03:53:41,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91575 conditions, 11813 events. 5694/11813 cut-off events. For 258197/258205 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 87891 event pairs, 1527 based on Foata normal form. 3/11341 useless extension candidates. Maximal degree in co-relation 91422. Up to 6465 conditions per place. [2023-08-25 03:53:41,179 INFO L140 encePairwiseOnDemand]: 455/481 looper letters, 1634 selfloop transitions, 455 changer transitions 2/2092 dead transitions. [2023-08-25 03:53:41,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 2092 transitions, 42357 flow [2023-08-25 03:53:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-25 03:53:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-25 03:53:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2937 transitions. [2023-08-25 03:53:41,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2544178794178794 [2023-08-25 03:53:41,183 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2937 transitions. [2023-08-25 03:53:41,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2937 transitions. [2023-08-25 03:53:41,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:53:41,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2937 transitions. [2023-08-25 03:53:41,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 122.375) internal successors, (2937), 24 states have internal predecessors, (2937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:41,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 481.0) internal successors, (12025), 25 states have internal predecessors, (12025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:41,195 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 481.0) internal successors, (12025), 25 states have internal predecessors, (12025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:41,195 INFO L175 Difference]: Start difference. First operand has 434 places, 1623 transitions, 33183 flow. Second operand 24 states and 2937 transitions. [2023-08-25 03:53:41,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 2092 transitions, 42357 flow [2023-08-25 03:53:42,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 2092 transitions, 41919 flow, removed 72 selfloop flow, removed 11 redundant places. [2023-08-25 03:53:42,929 INFO L231 Difference]: Finished difference. Result has 451 places, 1648 transitions, 34967 flow [2023-08-25 03:53:42,930 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=32749, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=431, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=34967, PETRI_PLACES=451, PETRI_TRANSITIONS=1648} [2023-08-25 03:53:42,931 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 368 predicate places. [2023-08-25 03:53:42,931 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 1648 transitions, 34967 flow [2023-08-25 03:53:42,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 106.27272727272727) internal successors, (1169), 11 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:42,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:53:42,931 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:53:42,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-25 03:53:42,932 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 03:53:42,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:53:42,932 INFO L85 PathProgramCache]: Analyzing trace with hash -136265584, now seen corresponding path program 10 times [2023-08-25 03:53:42,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:53:42,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87719826] [2023-08-25 03:53:42,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:53:42,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:53:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:53:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-08-25 03:53:45,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:53:45,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87719826] [2023-08-25 03:53:45,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87719826] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:53:45,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:53:45,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:53:45,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731902709] [2023-08-25 03:53:45,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:53:45,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:53:45,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:53:45,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:53:45,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:53:45,833 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 481 [2023-08-25 03:53:45,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1648 transitions, 34967 flow. Second operand has 12 states, 12 states have (on average 106.08333333333333) internal successors, (1273), 12 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:53:45,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:53:45,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 481 [2023-08-25 03:53:45,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-08-25 03:53:51,141 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 03:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:53:51,142 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-08-25 03:53:51,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-25 03:53:51,143 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). [2023-08-25 03:53:51,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-08-25 03:53:51,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-08-25 03:53:51,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-08-25 03:53:51,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-08-25 03:53:51,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-08-25 03:53:51,145 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-08-25 03:53:51,146 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-08-25 03:53:51,147 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-08-25 03:53:51,147 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-08-25 03:53:51,147 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-08-25 03:53:51,147 INFO L445 BasicCegarLoop]: Path program histogram: [10, 8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:53:51,151 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:53:51,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:53:51,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:53:51 BasicIcfg [2023-08-25 03:53:51,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:53:51,157 INFO L158 Benchmark]: Toolchain (without parser) took 840320.09ms. Allocated memory was 381.7MB in the beginning and 4.5GB in the end (delta: 4.1GB). Free memory was 355.5MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.0GB. [2023-08-25 03:53:51,157 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 381.7MB. Free memory was 358.0MB in the beginning and 357.9MB in the end (delta: 83.7kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:53:51,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.65ms. Allocated memory is still 381.7MB. Free memory was 355.5MB in the beginning and 315.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-25 03:53:51,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.64ms. Allocated memory is still 381.7MB. Free memory was 315.6MB in the beginning and 311.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:53:51,165 INFO L158 Benchmark]: Boogie Preprocessor took 86.62ms. Allocated memory is still 381.7MB. Free memory was 311.1MB in the beginning and 357.8MB in the end (delta: -46.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.0GB. [2023-08-25 03:53:51,166 INFO L158 Benchmark]: RCFGBuilder took 692.62ms. Allocated memory is still 381.7MB. Free memory was 357.8MB in the beginning and 325.3MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 03:53:51,166 INFO L158 Benchmark]: TraceAbstraction took 838748.81ms. Allocated memory was 381.7MB in the beginning and 4.5GB in the end (delta: 4.1GB). Free memory was 324.5MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.0GB. [2023-08-25 03:53:51,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 381.7MB. Free memory was 358.0MB in the beginning and 357.9MB in the end (delta: 83.7kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 690.65ms. Allocated memory is still 381.7MB. Free memory was 355.5MB in the beginning and 315.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 89.64ms. Allocated memory is still 381.7MB. Free memory was 315.6MB in the beginning and 311.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 86.62ms. Allocated memory is still 381.7MB. Free memory was 311.1MB in the beginning and 357.8MB in the end (delta: -46.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.0GB. * RCFGBuilder took 692.62ms. Allocated memory is still 381.7MB. Free memory was 357.8MB in the beginning and 325.3MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 838748.81ms. Allocated memory was 381.7MB in the beginning and 4.5GB in the end (delta: 4.1GB). Free memory was 324.5MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] - GenericResultAtLocation [Line: 1049]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1049] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 558.6s, 258 PlacesBefore, 83 PlacesAfterwards, 258 TransitionsBefore, 80 TransitionsAfterwards, 6048 CoEnabledTransitionPairs, 10 FixpointIterations, 158 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 3 ConcurrentYvCompositions, 3 ChoiceCompositions, 222 TotalNumberOfCompositions, 48736 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8185, independent: 6808, independent conditional: 0, independent unconditional: 6808, dependent: 1377, dependent conditional: 0, dependent unconditional: 1377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2559, independent: 2445, independent conditional: 0, independent unconditional: 2445, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8185, independent: 4363, independent conditional: 0, independent unconditional: 4363, dependent: 1263, dependent conditional: 0, dependent unconditional: 1263, unknown: 2559, unknown conditional: 0, unknown unconditional: 2559] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 283, Positive conditional cache size: 0, Positive unconditional cache size: 283, Negative cache size: 74, Negative conditional cache size: 0, Negative unconditional cache size: 74, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 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, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 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, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1262]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 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, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 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, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1263]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1243]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1244]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1245]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1266]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1266]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1267]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1264]: 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, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 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, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1251]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1243]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1244]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - TimeoutResultAtElement [Line: 1245]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 104/481 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 40413 conditions, 3504 events (1646/3503 cut-off events. For 130150/130152 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26471 event pairs, 104 based on Foata normal form. 1/3654 useless extension candidates. Maximal degree in co-relation 40255. Up to 1494 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 341 locations, 25 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: 838.6s, OverallIterations: 34, TraceHistogramMax: 10, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 207.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 558.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6961 SdHoareTripleChecker+Valid, 91.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6961 mSDsluCounter, 3449 SdHoareTripleChecker+Invalid, 87.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2218 mSDsCounter, 1538 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30362 IncrementalHoareTripleChecker+Invalid, 31900 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1538 mSolverCounterUnsat, 1231 mSDtfsCounter, 30362 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 532 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1722 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34967occurred in iteration=33, InterpolantAutomatonStates: 442, 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: 0.4s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 66.3s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 13505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2504 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 38 InterpolantComputations, 32 PerfectInterpolantSequences, 1605/1638 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