/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_03-list2_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:30:00,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:30:01,065 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 03:30:01,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:30:01,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:30:01,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:30:01,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:30:01,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:30:01,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:30:01,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:30:01,106 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:30:01,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:30:01,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:30:01,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:30:01,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:30:01,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:30:01,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:30:01,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:30:01,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:30:01,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:30:01,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:30:01,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:30:01,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:30:01,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:30:01,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:30:01,111 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:30:01,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:30:01,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:30:01,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:30:01,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:30:01,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:30:01,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:30:01,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:30:01,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:30:01,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:30:01,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:30:01,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:30:01,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:30:01,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:30:01,422 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:30:01,422 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:30:01,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_03-list2_rc.i [2023-08-25 03:30:02,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:30:03,046 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:30:03,047 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_03-list2_rc.i [2023-08-25 03:30:03,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a2eec94/73659919379e4ec88f18d55ec26270ff/FLAG52bc775de [2023-08-25 03:30:03,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a2eec94/73659919379e4ec88f18d55ec26270ff [2023-08-25 03:30:03,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:30:03,086 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:30:03,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:30:03,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:30:03,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:30:03,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db65ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03, skipping insertion in model container [2023-08-25 03:30:03,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,148 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:30:03,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:30:03,649 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:30:03,664 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:30:03,665 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:30:03,676 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1044] [2023-08-25 03:30:03,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:30:03,772 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:30:03,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03 WrapperNode [2023-08-25 03:30:03,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:30:03,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:30:03,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:30:03,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:30:03,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,850 INFO L138 Inliner]: procedures = 368, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2023-08-25 03:30:03,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:30:03,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:30:03,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:30:03,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:30:03,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:30:03,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:30:03,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:30:03,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:30:03,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (1/1) ... [2023-08-25 03:30:03,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:30:03,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:30:03,968 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 03:30:03,972 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 03:30:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:30:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 03:30:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:30:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:30:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:30:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:30:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:30:03,997 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 03:30:04,133 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:30:04,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:30:04,628 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:30:04,637 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:30:04,637 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:30:04,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:30:04 BoogieIcfgContainer [2023-08-25 03:30:04,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:30:04,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:30:04,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:30:04,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:30:04,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:30:03" (1/3) ... [2023-08-25 03:30:04,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee86de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:30:04, skipping insertion in model container [2023-08-25 03:30:04,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:03" (2/3) ... [2023-08-25 03:30:04,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee86de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:30:04, skipping insertion in model container [2023-08-25 03:30:04,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:30:04" (3/3) ... [2023-08-25 03:30:04,647 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2023-08-25 03:30:04,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:30:04,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-08-25 03:30:04,662 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:30:04,738 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:30:04,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 271 places, 267 transitions, 539 flow [2023-08-25 03:30:04,904 INFO L124 PetriNetUnfolderBase]: 0/266 cut-off events. [2023-08-25 03:30:04,904 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:30:04,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 266 events. 0/266 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 153 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:30:04,907 INFO L82 GeneralOperation]: Start removeDead. Operand has 271 places, 267 transitions, 539 flow [2023-08-25 03:30:04,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 270 places, 266 transitions, 535 flow [2023-08-25 03:30:04,918 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:30:04,929 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 266 transitions, 535 flow [2023-08-25 03:30:04,933 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 266 transitions, 535 flow [2023-08-25 03:30:04,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 270 places, 266 transitions, 535 flow [2023-08-25 03:30:04,991 INFO L124 PetriNetUnfolderBase]: 0/266 cut-off events. [2023-08-25 03:30:04,991 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:30:04,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 266 events. 0/266 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 153 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:30:04,999 INFO L119 LiptonReduction]: Number of co-enabled transitions 7590 [2023-08-25 03:30:24,574 WARN L234 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 141 DAG size of output: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:30:37,076 WARN L234 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 141 DAG size of output: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:30:56,468 WARN L234 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:03,312 WARN L234 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:09,834 WARN L234 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:16,803 WARN L234 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:40,867 WARN L234 SmtUtils]: Spent 24.04s on a formula simplification that was a NOOP. DAG size: 281 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:53,171 WARN L234 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 281 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:32:10,435 WARN L234 SmtUtils]: Spent 17.26s on a formula simplification that was a NOOP. DAG size: 253 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:05,281 WARN L234 SmtUtils]: Spent 54.79s on a formula simplification that was a NOOP. DAG size: 363 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:58,255 WARN L234 SmtUtils]: Spent 52.97s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:35:57,214 WARN L234 SmtUtils]: Spent 1.98m on a formula simplification that was a NOOP. DAG size: 363 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:36:11,290 WARN L234 SmtUtils]: Spent 14.07s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:36:11,300 INFO L134 LiptonReduction]: Checked pairs total: 81588 [2023-08-25 03:36:11,300 INFO L136 LiptonReduction]: Total number of compositions: 227 [2023-08-25 03:36:11,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:36:11,315 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;@6c51696a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:36:11,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-08-25 03:36:11,317 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:36:11,317 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 03:36:11,317 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:36:11,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:11,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 03:36:11,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:11,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:11,322 INFO L85 PathProgramCache]: Analyzing trace with hash 852, now seen corresponding path program 1 times [2023-08-25 03:36:11,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:11,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691080509] [2023-08-25 03:36:11,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:11,436 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 03:36:11,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:11,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691080509] [2023-08-25 03:36:11,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691080509] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:11,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:11,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 03:36:11,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516479228] [2023-08-25 03:36:11,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:11,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:36:11,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:11,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:36:11,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:36:11,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 494 [2023-08-25 03:36:11,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 207 flow. Second operand has 2 states, 2 states have (on average 266.5) internal successors, (533), 2 states have internal predecessors, (533), 0 states have call successors, (0), 0 states 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 03:36:11,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:11,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 494 [2023-08-25 03:36:11,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:11,978 INFO L124 PetriNetUnfolderBase]: 140/714 cut-off events. [2023-08-25 03:36:11,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:36:11,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 714 events. 140/714 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4052 event pairs, 140 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 1016. Up to 307 conditions per place. [2023-08-25 03:36:11,987 INFO L140 encePairwiseOnDemand]: 480/494 looper letters, 26 selfloop transitions, 0 changer transitions 0/88 dead transitions. [2023-08-25 03:36:11,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 88 transitions, 231 flow [2023-08-25 03:36:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:36:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:36:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 572 transitions. [2023-08-25 03:36:12,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5789473684210527 [2023-08-25 03:36:12,008 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 572 transitions. [2023-08-25 03:36:12,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 572 transitions. [2023-08-25 03:36:12,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:12,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 572 transitions. [2023-08-25 03:36:12,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 286.0) internal successors, (572), 2 states have internal predecessors, (572), 0 states have call successors, (0), 0 states 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 03:36:12,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states 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 03:36:12,024 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states 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 03:36:12,026 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 207 flow. Second operand 2 states and 572 transitions. [2023-08-25 03:36:12,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 88 transitions, 231 flow [2023-08-25 03:36:12,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:12,032 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 178 flow [2023-08-25 03:36:12,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=178, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2023-08-25 03:36:12,037 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -14 predicate places. [2023-08-25 03:36:12,037 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 178 flow [2023-08-25 03:36:12,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 266.5) internal successors, (533), 2 states have internal predecessors, (533), 0 states have call successors, (0), 0 states 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 03:36:12,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:12,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 03:36:12,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:36:12,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:12,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash 816673469, now seen corresponding path program 1 times [2023-08-25 03:36:12,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281701674] [2023-08-25 03:36:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:12,322 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 03:36:12,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:12,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281701674] [2023-08-25 03:36:12,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281701674] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:12,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:12,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:36:12,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079850953] [2023-08-25 03:36:12,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:12,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:36:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:12,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:36:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:36:12,327 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 494 [2023-08-25 03:36:12,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states 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 03:36:12,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:12,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 494 [2023-08-25 03:36:12,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:12,761 INFO L124 PetriNetUnfolderBase]: 154/764 cut-off events. [2023-08-25 03:36:12,761 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:36:12,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 764 events. 154/764 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4378 event pairs, 154 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 1101. Up to 335 conditions per place. [2023-08-25 03:36:12,764 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 26 selfloop transitions, 1 changer transitions 0/86 dead transitions. [2023-08-25 03:36:12,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 86 transitions, 228 flow [2023-08-25 03:36:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:36:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:36:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions. [2023-08-25 03:36:12,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5276653171390013 [2023-08-25 03:36:12,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 782 transitions. [2023-08-25 03:36:12,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 782 transitions. [2023-08-25 03:36:12,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:12,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 782 transitions. [2023-08-25 03:36:12,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 0 states have call successors, (0), 0 states 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 03:36:12,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 03:36:12,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 03:36:12,781 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 178 flow. Second operand 3 states and 782 transitions. [2023-08-25 03:36:12,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 86 transitions, 228 flow [2023-08-25 03:36:12,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 86 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:12,784 INFO L231 Difference]: Finished difference. Result has 92 places, 86 transitions, 176 flow [2023-08-25 03:36:12,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=92, PETRI_TRANSITIONS=86} [2023-08-25 03:36:12,786 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -14 predicate places. [2023-08-25 03:36:12,786 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 86 transitions, 176 flow [2023-08-25 03:36:12,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states 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 03:36:12,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:12,787 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:12,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:36:12,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:12,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:12,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1139645560, now seen corresponding path program 1 times [2023-08-25 03:36:12,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:12,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089097044] [2023-08-25 03:36:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:36:13,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:13,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089097044] [2023-08-25 03:36:13,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089097044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:13,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:13,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:13,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886806131] [2023-08-25 03:36:13,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:13,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:13,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:13,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:13,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:13,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 494 [2023-08-25 03:36:13,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 86 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 153.66666666666666) internal successors, (922), 6 states have internal predecessors, (922), 0 states have call successors, (0), 0 states 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 03:36:13,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:13,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 494 [2023-08-25 03:36:13,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:15,481 INFO L124 PetriNetUnfolderBase]: 1961/4393 cut-off events. [2023-08-25 03:36:15,481 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:36:15,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8451 conditions, 4393 events. 1961/4393 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 27998 event pairs, 301 based on Foata normal form. 0/3811 useless extension candidates. Maximal degree in co-relation 8447. Up to 1992 conditions per place. [2023-08-25 03:36:15,500 INFO L140 encePairwiseOnDemand]: 475/494 looper letters, 211 selfloop transitions, 38 changer transitions 0/259 dead transitions. [2023-08-25 03:36:15,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 259 transitions, 1020 flow [2023-08-25 03:36:15,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1163 transitions. [2023-08-25 03:36:15,505 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3923751686909582 [2023-08-25 03:36:15,505 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1163 transitions. [2023-08-25 03:36:15,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1163 transitions. [2023-08-25 03:36:15,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:15,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1163 transitions. [2023-08-25 03:36:15,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states 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 03:36:15,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:15,514 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:15,514 INFO L175 Difference]: Start difference. First operand has 92 places, 86 transitions, 176 flow. Second operand 6 states and 1163 transitions. [2023-08-25 03:36:15,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 259 transitions, 1020 flow [2023-08-25 03:36:15,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 259 transitions, 1019 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:15,519 INFO L231 Difference]: Finished difference. Result has 100 places, 122 transitions, 433 flow [2023-08-25 03:36:15,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=433, PETRI_PLACES=100, PETRI_TRANSITIONS=122} [2023-08-25 03:36:15,520 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -6 predicate places. [2023-08-25 03:36:15,520 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 122 transitions, 433 flow [2023-08-25 03:36:15,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.66666666666666) internal successors, (922), 6 states have internal predecessors, (922), 0 states have call successors, (0), 0 states 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 03:36:15,521 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:15,521 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:15,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:36:15,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:15,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:15,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2128750545, now seen corresponding path program 1 times [2023-08-25 03:36:15,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:15,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729469637] [2023-08-25 03:36:15,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:15,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:16,031 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 03:36:16,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:16,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729469637] [2023-08-25 03:36:16,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729469637] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:16,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:16,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:16,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488006517] [2023-08-25 03:36:16,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:16,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:16,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:16,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:16,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:16,035 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 494 [2023-08-25 03:36:16,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 122 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states 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 03:36:16,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:16,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 494 [2023-08-25 03:36:16,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:18,204 INFO L124 PetriNetUnfolderBase]: 1890/4147 cut-off events. [2023-08-25 03:36:18,204 INFO L125 PetriNetUnfolderBase]: For 1092/1095 co-relation queries the response was YES. [2023-08-25 03:36:18,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9360 conditions, 4147 events. 1890/4147 cut-off events. For 1092/1095 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 25140 event pairs, 1313 based on Foata normal form. 0/3628 useless extension candidates. Maximal degree in co-relation 9352. Up to 3554 conditions per place. [2023-08-25 03:36:18,232 INFO L140 encePairwiseOnDemand]: 488/494 looper letters, 221 selfloop transitions, 5 changer transitions 0/237 dead transitions. [2023-08-25 03:36:18,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 237 transitions, 1155 flow [2023-08-25 03:36:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1114 transitions. [2023-08-25 03:36:18,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3758434547908232 [2023-08-25 03:36:18,237 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1114 transitions. [2023-08-25 03:36:18,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1114 transitions. [2023-08-25 03:36:18,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:18,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1114 transitions. [2023-08-25 03:36:18,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states 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 03:36:18,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:18,247 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:18,247 INFO L175 Difference]: Start difference. First operand has 100 places, 122 transitions, 433 flow. Second operand 6 states and 1114 transitions. [2023-08-25 03:36:18,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 237 transitions, 1155 flow [2023-08-25 03:36:18,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 237 transitions, 1155 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:18,255 INFO L231 Difference]: Finished difference. Result has 104 places, 121 transitions, 441 flow [2023-08-25 03:36:18,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=441, PETRI_PLACES=104, PETRI_TRANSITIONS=121} [2023-08-25 03:36:18,256 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -2 predicate places. [2023-08-25 03:36:18,257 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 121 transitions, 441 flow [2023-08-25 03:36:18,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states 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 03:36:18,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:18,258 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:18,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:36:18,258 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:18,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:18,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1720171372, now seen corresponding path program 1 times [2023-08-25 03:36:18,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:18,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988272773] [2023-08-25 03:36:18,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:18,727 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 03:36:18,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:18,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988272773] [2023-08-25 03:36:18,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988272773] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:18,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:18,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980056988] [2023-08-25 03:36:18,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:18,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:18,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:18,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 494 [2023-08-25 03:36:18,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 121 transitions, 441 flow. Second operand has 6 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 0 states have call successors, (0), 0 states 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 03:36:18,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:18,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 494 [2023-08-25 03:36:18,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:20,855 INFO L124 PetriNetUnfolderBase]: 2223/5102 cut-off events. [2023-08-25 03:36:20,855 INFO L125 PetriNetUnfolderBase]: For 1379/1382 co-relation queries the response was YES. [2023-08-25 03:36:20,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11243 conditions, 5102 events. 2223/5102 cut-off events. For 1379/1382 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 34629 event pairs, 461 based on Foata normal form. 0/4549 useless extension candidates. Maximal degree in co-relation 11234. Up to 2505 conditions per place. [2023-08-25 03:36:20,884 INFO L140 encePairwiseOnDemand]: 473/494 looper letters, 247 selfloop transitions, 71 changer transitions 0/329 dead transitions. [2023-08-25 03:36:20,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 329 transitions, 1749 flow [2023-08-25 03:36:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1149 transitions. [2023-08-25 03:36:20,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3876518218623482 [2023-08-25 03:36:20,888 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1149 transitions. [2023-08-25 03:36:20,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1149 transitions. [2023-08-25 03:36:20,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:20,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1149 transitions. [2023-08-25 03:36:20,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states 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 03:36:20,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:20,899 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:20,899 INFO L175 Difference]: Start difference. First operand has 104 places, 121 transitions, 441 flow. Second operand 6 states and 1149 transitions. [2023-08-25 03:36:20,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 329 transitions, 1749 flow [2023-08-25 03:36:20,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 329 transitions, 1699 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-25 03:36:20,908 INFO L231 Difference]: Finished difference. Result has 109 places, 190 transitions, 1089 flow [2023-08-25 03:36:20,909 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1089, PETRI_PLACES=109, PETRI_TRANSITIONS=190} [2023-08-25 03:36:20,911 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 3 predicate places. [2023-08-25 03:36:20,911 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 190 transitions, 1089 flow [2023-08-25 03:36:20,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 0 states have call successors, (0), 0 states 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 03:36:20,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:20,911 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:20,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 03:36:20,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:20,912 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:20,912 INFO L85 PathProgramCache]: Analyzing trace with hash 485984485, now seen corresponding path program 1 times [2023-08-25 03:36:20,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:20,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559285641] [2023-08-25 03:36:20,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:20,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:21,441 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 03:36:21,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:21,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559285641] [2023-08-25 03:36:21,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559285641] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:21,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:21,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:21,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219927440] [2023-08-25 03:36:21,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:21,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:21,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:21,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:21,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:21,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 494 [2023-08-25 03:36:21,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 190 transitions, 1089 flow. Second operand has 6 states, 6 states have (on average 155.5) internal successors, (933), 6 states have internal predecessors, (933), 0 states have call successors, (0), 0 states 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 03:36:21,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:21,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 494 [2023-08-25 03:36:21,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:23,495 INFO L124 PetriNetUnfolderBase]: 2340/5196 cut-off events. [2023-08-25 03:36:23,495 INFO L125 PetriNetUnfolderBase]: For 3663/3666 co-relation queries the response was YES. [2023-08-25 03:36:23,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14243 conditions, 5196 events. 2340/5196 cut-off events. For 3663/3666 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 33938 event pairs, 1417 based on Foata normal form. 0/4799 useless extension candidates. Maximal degree in co-relation 14230. Up to 4650 conditions per place. [2023-08-25 03:36:23,535 INFO L140 encePairwiseOnDemand]: 472/494 looper letters, 230 selfloop transitions, 79 changer transitions 0/320 dead transitions. [2023-08-25 03:36:23,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 320 transitions, 2215 flow [2023-08-25 03:36:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1110 transitions. [2023-08-25 03:36:23,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37449392712550605 [2023-08-25 03:36:23,539 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1110 transitions. [2023-08-25 03:36:23,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1110 transitions. [2023-08-25 03:36:23,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:23,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1110 transitions. [2023-08-25 03:36:23,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.0) internal successors, (1110), 6 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states 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 03:36:23,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:23,547 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:23,550 INFO L175 Difference]: Start difference. First operand has 109 places, 190 transitions, 1089 flow. Second operand 6 states and 1110 transitions. [2023-08-25 03:36:23,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 320 transitions, 2215 flow [2023-08-25 03:36:23,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 320 transitions, 2215 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:23,566 INFO L231 Difference]: Finished difference. Result has 118 places, 264 transitions, 1705 flow [2023-08-25 03:36:23,566 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1705, PETRI_PLACES=118, PETRI_TRANSITIONS=264} [2023-08-25 03:36:23,567 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 12 predicate places. [2023-08-25 03:36:23,567 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 264 transitions, 1705 flow [2023-08-25 03:36:23,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.5) internal successors, (933), 6 states have internal predecessors, (933), 0 states have call successors, (0), 0 states 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 03:36:23,567 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:23,567 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:23,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 03:36:23,568 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:23,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:23,568 INFO L85 PathProgramCache]: Analyzing trace with hash -196459402, now seen corresponding path program 1 times [2023-08-25 03:36:23,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:23,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894824182] [2023-08-25 03:36:23,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:23,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:23,647 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 03:36:23,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:23,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894824182] [2023-08-25 03:36:23,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894824182] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:23,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:23,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:36:23,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114911808] [2023-08-25 03:36:23,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:23,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:36:23,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:23,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:36:23,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:36:23,650 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 494 [2023-08-25 03:36:23,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 264 transitions, 1705 flow. Second operand has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states 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 03:36:23,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:23,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 494 [2023-08-25 03:36:23,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:24,222 INFO L124 PetriNetUnfolderBase]: 729/2736 cut-off events. [2023-08-25 03:36:24,222 INFO L125 PetriNetUnfolderBase]: For 2230/2297 co-relation queries the response was YES. [2023-08-25 03:36:24,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7165 conditions, 2736 events. 729/2736 cut-off events. For 2230/2297 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 20753 event pairs, 268 based on Foata normal form. 8/2615 useless extension candidates. Maximal degree in co-relation 7147. Up to 1113 conditions per place. [2023-08-25 03:36:24,237 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 49 selfloop transitions, 1 changer transitions 0/262 dead transitions. [2023-08-25 03:36:24,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 262 transitions, 1801 flow [2023-08-25 03:36:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:36:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:36:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2023-08-25 03:36:24,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5290148448043185 [2023-08-25 03:36:24,239 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2023-08-25 03:36:24,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2023-08-25 03:36:24,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:24,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2023-08-25 03:36:24,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:24,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 03:36:24,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 03:36:24,244 INFO L175 Difference]: Start difference. First operand has 118 places, 264 transitions, 1705 flow. Second operand 3 states and 784 transitions. [2023-08-25 03:36:24,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 262 transitions, 1801 flow [2023-08-25 03:36:24,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 262 transitions, 1729 flow, removed 36 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:24,263 INFO L231 Difference]: Finished difference. Result has 118 places, 262 transitions, 1631 flow [2023-08-25 03:36:24,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=1629, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1631, PETRI_PLACES=118, PETRI_TRANSITIONS=262} [2023-08-25 03:36:24,264 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 12 predicate places. [2023-08-25 03:36:24,264 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 262 transitions, 1631 flow [2023-08-25 03:36:24,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states 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 03:36:24,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:24,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:24,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 03:36:24,265 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:24,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1183061363, now seen corresponding path program 1 times [2023-08-25 03:36:24,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:24,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071171889] [2023-08-25 03:36:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:24,418 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 03:36:24,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:24,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071171889] [2023-08-25 03:36:24,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071171889] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:24,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:24,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 03:36:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959884359] [2023-08-25 03:36:24,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:24,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:36:24,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:24,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:36:24,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:36:24,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 494 [2023-08-25 03:36:24,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 262 transitions, 1631 flow. Second operand has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 states 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 03:36:24,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:24,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 494 [2023-08-25 03:36:24,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:25,401 INFO L124 PetriNetUnfolderBase]: 433/1602 cut-off events. [2023-08-25 03:36:25,401 INFO L125 PetriNetUnfolderBase]: For 1290/1311 co-relation queries the response was YES. [2023-08-25 03:36:25,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4242 conditions, 1602 events. 433/1602 cut-off events. For 1290/1311 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10821 event pairs, 115 based on Foata normal form. 14/1552 useless extension candidates. Maximal degree in co-relation 4223. Up to 420 conditions per place. [2023-08-25 03:36:25,411 INFO L140 encePairwiseOnDemand]: 488/494 looper letters, 79 selfloop transitions, 6 changer transitions 0/237 dead transitions. [2023-08-25 03:36:25,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 237 transitions, 1517 flow [2023-08-25 03:36:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:36:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:36:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 812 transitions. [2023-08-25 03:36:25,414 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5479082321187584 [2023-08-25 03:36:25,414 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 812 transitions. [2023-08-25 03:36:25,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 812 transitions. [2023-08-25 03:36:25,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:25,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 812 transitions. [2023-08-25 03:36:25,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 states 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 03:36:25,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 03:36:25,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 03:36:25,418 INFO L175 Difference]: Start difference. First operand has 118 places, 262 transitions, 1631 flow. Second operand 3 states and 812 transitions. [2023-08-25 03:36:25,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 237 transitions, 1517 flow [2023-08-25 03:36:25,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 237 transitions, 1458 flow, removed 29 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:25,429 INFO L231 Difference]: Finished difference. Result has 120 places, 206 transitions, 1170 flow [2023-08-25 03:36:25,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1170, PETRI_PLACES=120, PETRI_TRANSITIONS=206} [2023-08-25 03:36:25,429 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 14 predicate places. [2023-08-25 03:36:25,430 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 206 transitions, 1170 flow [2023-08-25 03:36:25,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 states 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 03:36:25,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:25,430 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:25,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 03:36:25,430 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:25,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:25,431 INFO L85 PathProgramCache]: Analyzing trace with hash 393010943, now seen corresponding path program 1 times [2023-08-25 03:36:25,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:25,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840842999] [2023-08-25 03:36:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:25,906 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 03:36:25,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:25,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840842999] [2023-08-25 03:36:25,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840842999] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:25,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:25,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:25,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692567567] [2023-08-25 03:36:25,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:25,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:25,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:25,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:25,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 494 [2023-08-25 03:36:25,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 206 transitions, 1170 flow. Second operand has 6 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:25,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:25,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 494 [2023-08-25 03:36:25,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:28,119 INFO L124 PetriNetUnfolderBase]: 1640/3660 cut-off events. [2023-08-25 03:36:28,119 INFO L125 PetriNetUnfolderBase]: For 3260/3260 co-relation queries the response was YES. [2023-08-25 03:36:28,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11256 conditions, 3660 events. 1640/3660 cut-off events. For 3260/3260 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 22967 event pairs, 352 based on Foata normal form. 69/3543 useless extension candidates. Maximal degree in co-relation 11236. Up to 1619 conditions per place. [2023-08-25 03:36:28,137 INFO L140 encePairwiseOnDemand]: 475/494 looper letters, 382 selfloop transitions, 121 changer transitions 9/521 dead transitions. [2023-08-25 03:36:28,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 521 transitions, 3813 flow [2023-08-25 03:36:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2023-08-25 03:36:28,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4116059379217274 [2023-08-25 03:36:28,142 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1220 transitions. [2023-08-25 03:36:28,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1220 transitions. [2023-08-25 03:36:28,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:28,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1220 transitions. [2023-08-25 03:36:28,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states 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 03:36:28,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:28,149 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:28,149 INFO L175 Difference]: Start difference. First operand has 120 places, 206 transitions, 1170 flow. Second operand 6 states and 1220 transitions. [2023-08-25 03:36:28,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 521 transitions, 3813 flow [2023-08-25 03:36:28,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 521 transitions, 3798 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:28,166 INFO L231 Difference]: Finished difference. Result has 128 places, 305 transitions, 2513 flow [2023-08-25 03:36:28,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=1162, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2513, PETRI_PLACES=128, PETRI_TRANSITIONS=305} [2023-08-25 03:36:28,167 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 22 predicate places. [2023-08-25 03:36:28,167 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 305 transitions, 2513 flow [2023-08-25 03:36:28,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:28,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:28,168 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:28,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 03:36:28,168 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:28,168 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash -765051543, now seen corresponding path program 1 times [2023-08-25 03:36:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:28,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280938814] [2023-08-25 03:36:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:28,693 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 03:36:28,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:28,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280938814] [2023-08-25 03:36:28,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280938814] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:28,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:28,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:28,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525120633] [2023-08-25 03:36:28,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:28,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:28,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:28,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:28,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:28,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 494 [2023-08-25 03:36:28,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 305 transitions, 2513 flow. Second operand has 6 states, 6 states have (on average 159.33333333333334) internal successors, (956), 6 states have internal predecessors, (956), 0 states have call successors, (0), 0 states 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 03:36:28,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:28,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 494 [2023-08-25 03:36:28,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:29,868 INFO L124 PetriNetUnfolderBase]: 1527/3437 cut-off events. [2023-08-25 03:36:29,869 INFO L125 PetriNetUnfolderBase]: For 5752/5758 co-relation queries the response was YES. [2023-08-25 03:36:29,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12218 conditions, 3437 events. 1527/3437 cut-off events. For 5752/5758 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 21308 event pairs, 658 based on Foata normal form. 0/3295 useless extension candidates. Maximal degree in co-relation 12194. Up to 2751 conditions per place. [2023-08-25 03:36:29,889 INFO L140 encePairwiseOnDemand]: 488/494 looper letters, 405 selfloop transitions, 17 changer transitions 0/432 dead transitions. [2023-08-25 03:36:29,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 432 transitions, 4019 flow [2023-08-25 03:36:29,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1104 transitions. [2023-08-25 03:36:29,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3724696356275304 [2023-08-25 03:36:29,893 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1104 transitions. [2023-08-25 03:36:29,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1104 transitions. [2023-08-25 03:36:29,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:29,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1104 transitions. [2023-08-25 03:36:29,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states 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 03:36:29,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:29,900 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:29,900 INFO L175 Difference]: Start difference. First operand has 128 places, 305 transitions, 2513 flow. Second operand 6 states and 1104 transitions. [2023-08-25 03:36:29,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 432 transitions, 4019 flow [2023-08-25 03:36:29,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 432 transitions, 4001 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:29,923 INFO L231 Difference]: Finished difference. Result has 132 places, 304 transitions, 2527 flow [2023-08-25 03:36:29,923 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=2493, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2527, PETRI_PLACES=132, PETRI_TRANSITIONS=304} [2023-08-25 03:36:29,923 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 26 predicate places. [2023-08-25 03:36:29,923 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 304 transitions, 2527 flow [2023-08-25 03:36:29,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.33333333333334) internal successors, (956), 6 states have internal predecessors, (956), 0 states have call successors, (0), 0 states 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 03:36:29,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:29,924 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:29,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 03:36:29,924 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:29,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:29,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1182460824, now seen corresponding path program 1 times [2023-08-25 03:36:29,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:29,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397239248] [2023-08-25 03:36:29,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:29,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:30,430 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 03:36:30,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:30,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397239248] [2023-08-25 03:36:30,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397239248] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:30,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:30,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:36:30,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541565948] [2023-08-25 03:36:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:30,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:36:30,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:30,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:36:30,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:36:30,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 494 [2023-08-25 03:36:30,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 304 transitions, 2527 flow. Second operand has 6 states, 6 states have (on average 158.33333333333334) internal successors, (950), 6 states have internal predecessors, (950), 0 states have call successors, (0), 0 states 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 03:36:30,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:30,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 494 [2023-08-25 03:36:30,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:31,683 INFO L124 PetriNetUnfolderBase]: 1648/3714 cut-off events. [2023-08-25 03:36:31,683 INFO L125 PetriNetUnfolderBase]: For 6439/6445 co-relation queries the response was YES. [2023-08-25 03:36:31,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13478 conditions, 3714 events. 1648/3714 cut-off events. For 6439/6445 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 23512 event pairs, 771 based on Foata normal form. 0/3580 useless extension candidates. Maximal degree in co-relation 13453. Up to 3319 conditions per place. [2023-08-25 03:36:31,701 INFO L140 encePairwiseOnDemand]: 472/494 looper letters, 326 selfloop transitions, 90 changer transitions 12/437 dead transitions. [2023-08-25 03:36:31,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 437 transitions, 4081 flow [2023-08-25 03:36:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:36:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:36:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1108 transitions. [2023-08-25 03:36:31,709 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3738191632928475 [2023-08-25 03:36:31,709 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1108 transitions. [2023-08-25 03:36:31,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1108 transitions. [2023-08-25 03:36:31,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:31,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1108 transitions. [2023-08-25 03:36:31,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states 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 03:36:31,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:31,727 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 494.0) internal successors, (3458), 7 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 03:36:31,728 INFO L175 Difference]: Start difference. First operand has 132 places, 304 transitions, 2527 flow. Second operand 6 states and 1108 transitions. [2023-08-25 03:36:31,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 437 transitions, 4081 flow [2023-08-25 03:36:31,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 437 transitions, 4047 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-25 03:36:31,753 INFO L231 Difference]: Finished difference. Result has 136 places, 377 transitions, 3269 flow [2023-08-25 03:36:31,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=2493, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3269, PETRI_PLACES=136, PETRI_TRANSITIONS=377} [2023-08-25 03:36:31,754 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 30 predicate places. [2023-08-25 03:36:31,754 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 377 transitions, 3269 flow [2023-08-25 03:36:31,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.33333333333334) internal successors, (950), 6 states have internal predecessors, (950), 0 states have call successors, (0), 0 states 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 03:36:31,755 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:31,755 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:31,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 03:36:31,755 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:31,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:31,756 INFO L85 PathProgramCache]: Analyzing trace with hash -989259866, now seen corresponding path program 1 times [2023-08-25 03:36:31,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:31,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400448755] [2023-08-25 03:36:31,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:31,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:33,007 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 03:36:33,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400448755] [2023-08-25 03:36:33,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400448755] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:33,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:33,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-25 03:36:33,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66662481] [2023-08-25 03:36:33,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:33,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-25 03:36:33,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:33,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-25 03:36:33,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-25 03:36:33,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 494 [2023-08-25 03:36:33,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 377 transitions, 3269 flow. Second operand has 9 states, 9 states have (on average 137.22222222222223) internal successors, (1235), 9 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states 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 03:36:33,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:33,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 494 [2023-08-25 03:36:33,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:35,063 INFO L124 PetriNetUnfolderBase]: 1714/3869 cut-off events. [2023-08-25 03:36:35,063 INFO L125 PetriNetUnfolderBase]: For 7967/7969 co-relation queries the response was YES. [2023-08-25 03:36:35,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14814 conditions, 3869 events. 1714/3869 cut-off events. For 7967/7969 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 24838 event pairs, 569 based on Foata normal form. 0/3755 useless extension candidates. Maximal degree in co-relation 14785. Up to 2859 conditions per place. [2023-08-25 03:36:35,084 INFO L140 encePairwiseOnDemand]: 481/494 looper letters, 428 selfloop transitions, 57 changer transitions 14/506 dead transitions. [2023-08-25 03:36:35,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 506 transitions, 5025 flow [2023-08-25 03:36:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-25 03:36:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-25 03:36:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1396 transitions. [2023-08-25 03:36:35,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3139901034637877 [2023-08-25 03:36:35,089 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1396 transitions. [2023-08-25 03:36:35,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1396 transitions. [2023-08-25 03:36:35,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:35,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1396 transitions. [2023-08-25 03:36:35,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 155.11111111111111) internal successors, (1396), 9 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:35,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 494.0) internal successors, (4940), 10 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states 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 03:36:35,098 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 494.0) internal successors, (4940), 10 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states 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 03:36:35,098 INFO L175 Difference]: Start difference. First operand has 136 places, 377 transitions, 3269 flow. Second operand 9 states and 1396 transitions. [2023-08-25 03:36:35,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 506 transitions, 5025 flow [2023-08-25 03:36:35,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 506 transitions, 4865 flow, removed 80 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:35,150 INFO L231 Difference]: Finished difference. Result has 148 places, 385 transitions, 3381 flow [2023-08-25 03:36:35,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=3109, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3381, PETRI_PLACES=148, PETRI_TRANSITIONS=385} [2023-08-25 03:36:35,151 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 42 predicate places. [2023-08-25 03:36:35,151 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 385 transitions, 3381 flow [2023-08-25 03:36:35,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 137.22222222222223) internal successors, (1235), 9 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states 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 03:36:35,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:35,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:35,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 03:36:35,152 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:35,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash 276646993, now seen corresponding path program 1 times [2023-08-25 03:36:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:35,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103744012] [2023-08-25 03:36:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:35,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:36,611 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 03:36:36,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:36,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103744012] [2023-08-25 03:36:36,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103744012] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:36,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:36,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:36,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149045316] [2023-08-25 03:36:36,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:36,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:36,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:36,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:36,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 494 [2023-08-25 03:36:36,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 385 transitions, 3381 flow. Second operand has 10 states, 10 states have (on average 138.8) internal successors, (1388), 10 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states 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 03:36:36,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:36,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 494 [2023-08-25 03:36:36,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:39,028 INFO L124 PetriNetUnfolderBase]: 2015/4511 cut-off events. [2023-08-25 03:36:39,028 INFO L125 PetriNetUnfolderBase]: For 12188/12190 co-relation queries the response was YES. [2023-08-25 03:36:39,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18222 conditions, 4511 events. 2015/4511 cut-off events. For 12188/12190 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 29999 event pairs, 477 based on Foata normal form. 9/4421 useless extension candidates. Maximal degree in co-relation 18188. Up to 2128 conditions per place. [2023-08-25 03:36:39,051 INFO L140 encePairwiseOnDemand]: 475/494 looper letters, 535 selfloop transitions, 90 changer transitions 9/641 dead transitions. [2023-08-25 03:36:39,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 641 transitions, 6388 flow [2023-08-25 03:36:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-25 03:36:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-25 03:36:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1590 transitions. [2023-08-25 03:36:39,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32186234817813764 [2023-08-25 03:36:39,057 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1590 transitions. [2023-08-25 03:36:39,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1590 transitions. [2023-08-25 03:36:39,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:39,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1590 transitions. [2023-08-25 03:36:39,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states 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 03:36:39,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 494.0) internal successors, (5434), 11 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 03:36:39,067 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 494.0) internal successors, (5434), 11 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 03:36:39,067 INFO L175 Difference]: Start difference. First operand has 148 places, 385 transitions, 3381 flow. Second operand 10 states and 1590 transitions. [2023-08-25 03:36:39,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 641 transitions, 6388 flow [2023-08-25 03:36:39,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 641 transitions, 6362 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 03:36:39,134 INFO L231 Difference]: Finished difference. Result has 162 places, 436 transitions, 4364 flow [2023-08-25 03:36:39,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=3373, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4364, PETRI_PLACES=162, PETRI_TRANSITIONS=436} [2023-08-25 03:36:39,135 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 56 predicate places. [2023-08-25 03:36:39,136 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 436 transitions, 4364 flow [2023-08-25 03:36:39,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 138.8) internal successors, (1388), 10 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states 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 03:36:39,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:39,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:39,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-25 03:36:39,136 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:39,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:39,137 INFO L85 PathProgramCache]: Analyzing trace with hash 539406891, now seen corresponding path program 2 times [2023-08-25 03:36:39,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:39,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075361234] [2023-08-25 03:36:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:40,405 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 03:36:40,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:40,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075361234] [2023-08-25 03:36:40,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075361234] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:40,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:40,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:36:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092724656] [2023-08-25 03:36:40,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:40,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:36:40,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:40,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:36:40,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:36:40,408 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 494 [2023-08-25 03:36:40,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 436 transitions, 4364 flow. Second operand has 12 states, 12 states have (on average 130.16666666666666) internal successors, (1562), 12 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states 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 03:36:40,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:40,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 494 [2023-08-25 03:36:40,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:43,479 INFO L124 PetriNetUnfolderBase]: 2122/4764 cut-off events. [2023-08-25 03:36:43,479 INFO L125 PetriNetUnfolderBase]: For 16676/16680 co-relation queries the response was YES. [2023-08-25 03:36:43,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20363 conditions, 4764 events. 2122/4764 cut-off events. For 16676/16680 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 31950 event pairs, 451 based on Foata normal form. 13/4679 useless extension candidates. Maximal degree in co-relation 20322. Up to 1608 conditions per place. [2023-08-25 03:36:43,503 INFO L140 encePairwiseOnDemand]: 475/494 looper letters, 550 selfloop transitions, 131 changer transitions 10/698 dead transitions. [2023-08-25 03:36:43,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 698 transitions, 7508 flow [2023-08-25 03:36:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 03:36:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 03:36:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2685 transitions. [2023-08-25 03:36:43,510 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2860643511613041 [2023-08-25 03:36:43,510 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2685 transitions. [2023-08-25 03:36:43,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2685 transitions. [2023-08-25 03:36:43,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:43,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2685 transitions. [2023-08-25 03:36:43,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.31578947368422) internal successors, (2685), 19 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states 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 03:36:43,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 494.0) internal successors, (9880), 20 states have internal predecessors, (9880), 0 states have call successors, (0), 0 states 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 03:36:43,527 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 494.0) internal successors, (9880), 20 states have internal predecessors, (9880), 0 states have call successors, (0), 0 states 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 03:36:43,527 INFO L175 Difference]: Start difference. First operand has 162 places, 436 transitions, 4364 flow. Second operand 19 states and 2685 transitions. [2023-08-25 03:36:43,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 698 transitions, 7508 flow [2023-08-25 03:36:43,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 698 transitions, 7486 flow, removed 11 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:43,607 INFO L231 Difference]: Finished difference. Result has 195 places, 500 transitions, 5455 flow [2023-08-25 03:36:43,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=4356, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5455, PETRI_PLACES=195, PETRI_TRANSITIONS=500} [2023-08-25 03:36:43,608 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 89 predicate places. [2023-08-25 03:36:43,608 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 500 transitions, 5455 flow [2023-08-25 03:36:43,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.16666666666666) internal successors, (1562), 12 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states 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 03:36:43,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:43,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:43,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-25 03:36:43,609 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:43,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:43,609 INFO L85 PathProgramCache]: Analyzing trace with hash 386357595, now seen corresponding path program 3 times [2023-08-25 03:36:43,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:43,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344952647] [2023-08-25 03:36:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:45,015 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 03:36:45,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344952647] [2023-08-25 03:36:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344952647] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:45,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:45,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:36:45,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701222293] [2023-08-25 03:36:45,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:45,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:36:45,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:45,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:36:45,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:36:45,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 494 [2023-08-25 03:36:45,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 500 transitions, 5455 flow. Second operand has 12 states, 12 states have (on average 130.16666666666666) internal successors, (1562), 12 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states 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 03:36:45,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:45,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 494 [2023-08-25 03:36:45,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:48,339 INFO L124 PetriNetUnfolderBase]: 2457/5491 cut-off events. [2023-08-25 03:36:48,340 INFO L125 PetriNetUnfolderBase]: For 25836/25840 co-relation queries the response was YES. [2023-08-25 03:36:48,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25505 conditions, 5491 events. 2457/5491 cut-off events. For 25836/25840 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 38307 event pairs, 535 based on Foata normal form. 13/5401 useless extension candidates. Maximal degree in co-relation 25449. Up to 2234 conditions per place. [2023-08-25 03:36:48,375 INFO L140 encePairwiseOnDemand]: 473/494 looper letters, 642 selfloop transitions, 133 changer transitions 9/791 dead transitions. [2023-08-25 03:36:48,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 791 transitions, 9182 flow [2023-08-25 03:36:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:36:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:36:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2188 transitions. [2023-08-25 03:36:48,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29527665317139 [2023-08-25 03:36:48,387 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2188 transitions. [2023-08-25 03:36:48,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2188 transitions. [2023-08-25 03:36:48,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:48,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2188 transitions. [2023-08-25 03:36:48,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 145.86666666666667) internal successors, (2188), 15 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states 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 03:36:48,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 494.0) internal successors, (7904), 16 states have internal predecessors, (7904), 0 states have call successors, (0), 0 states 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 03:36:48,402 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 494.0) internal successors, (7904), 16 states have internal predecessors, (7904), 0 states have call successors, (0), 0 states 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 03:36:48,402 INFO L175 Difference]: Start difference. First operand has 195 places, 500 transitions, 5455 flow. Second operand 15 states and 2188 transitions. [2023-08-25 03:36:48,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 791 transitions, 9182 flow [2023-08-25 03:36:48,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 791 transitions, 9142 flow, removed 20 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:48,629 INFO L231 Difference]: Finished difference. Result has 214 places, 549 transitions, 6699 flow [2023-08-25 03:36:48,630 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=5417, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6699, PETRI_PLACES=214, PETRI_TRANSITIONS=549} [2023-08-25 03:36:48,630 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 108 predicate places. [2023-08-25 03:36:48,630 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 549 transitions, 6699 flow [2023-08-25 03:36:48,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.16666666666666) internal successors, (1562), 12 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states 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 03:36:48,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:48,631 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:48,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-25 03:36:48,631 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:48,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:48,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2081073691, now seen corresponding path program 4 times [2023-08-25 03:36:48,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:48,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268772009] [2023-08-25 03:36:48,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:48,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:49,813 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 03:36:49,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:49,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268772009] [2023-08-25 03:36:49,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268772009] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:49,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:49,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:49,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29325330] [2023-08-25 03:36:49,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:49,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:49,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:49,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:49,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:49,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 494 [2023-08-25 03:36:49,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 549 transitions, 6699 flow. Second operand has 10 states, 10 states have (on average 138.8) internal successors, (1388), 10 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states 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 03:36:49,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:49,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 494 [2023-08-25 03:36:49,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:53,088 INFO L124 PetriNetUnfolderBase]: 2812/6282 cut-off events. [2023-08-25 03:36:53,089 INFO L125 PetriNetUnfolderBase]: For 37286/37290 co-relation queries the response was YES. [2023-08-25 03:36:53,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30609 conditions, 6282 events. 2812/6282 cut-off events. For 37286/37290 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 45339 event pairs, 617 based on Foata normal form. 13/6191 useless extension candidates. Maximal degree in co-relation 30548. Up to 2185 conditions per place. [2023-08-25 03:36:53,134 INFO L140 encePairwiseOnDemand]: 475/494 looper letters, 668 selfloop transitions, 172 changer transitions 9/856 dead transitions. [2023-08-25 03:36:53,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 856 transitions, 11276 flow [2023-08-25 03:36:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:36:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:36:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2163 transitions. [2023-08-25 03:36:53,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31275303643724695 [2023-08-25 03:36:53,138 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2163 transitions. [2023-08-25 03:36:53,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2163 transitions. [2023-08-25 03:36:53,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:53,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2163 transitions. [2023-08-25 03:36:53,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 154.5) internal successors, (2163), 14 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states 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 03:36:53,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 494.0) internal successors, (7410), 15 states have internal predecessors, (7410), 0 states have call successors, (0), 0 states 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 03:36:53,148 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 494.0) internal successors, (7410), 15 states have internal predecessors, (7410), 0 states have call successors, (0), 0 states 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 03:36:53,148 INFO L175 Difference]: Start difference. First operand has 214 places, 549 transitions, 6699 flow. Second operand 14 states and 2163 transitions. [2023-08-25 03:36:53,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 856 transitions, 11276 flow [2023-08-25 03:36:53,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 856 transitions, 11220 flow, removed 10 selfloop flow, removed 5 redundant places. [2023-08-25 03:36:53,324 INFO L231 Difference]: Finished difference. Result has 232 places, 614 transitions, 8491 flow [2023-08-25 03:36:53,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=6653, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8491, PETRI_PLACES=232, PETRI_TRANSITIONS=614} [2023-08-25 03:36:53,325 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 126 predicate places. [2023-08-25 03:36:53,325 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 614 transitions, 8491 flow [2023-08-25 03:36:53,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 138.8) internal successors, (1388), 10 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states 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 03:36:53,326 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:53,326 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:53,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-25 03:36:53,326 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:53,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:53,326 INFO L85 PathProgramCache]: Analyzing trace with hash -591885031, now seen corresponding path program 5 times [2023-08-25 03:36:53,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:53,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550767029] [2023-08-25 03:36:53,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:53,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:54,555 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 03:36:54,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:54,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550767029] [2023-08-25 03:36:54,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550767029] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:54,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:54,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:54,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329227665] [2023-08-25 03:36:54,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:54,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:54,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:54,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:54,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 494 [2023-08-25 03:36:54,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 614 transitions, 8491 flow. Second operand has 10 states, 10 states have (on average 138.8) internal successors, (1388), 10 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states 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 03:36:54,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:54,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 494 [2023-08-25 03:36:54,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:58,152 INFO L124 PetriNetUnfolderBase]: 3102/6940 cut-off events. [2023-08-25 03:36:58,152 INFO L125 PetriNetUnfolderBase]: For 52151/52155 co-relation queries the response was YES. [2023-08-25 03:36:58,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35341 conditions, 6940 events. 3102/6940 cut-off events. For 52151/52155 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 51644 event pairs, 655 based on Foata normal form. 13/6845 useless extension candidates. Maximal degree in co-relation 35270. Up to 2635 conditions per place. [2023-08-25 03:36:58,202 INFO L140 encePairwiseOnDemand]: 475/494 looper letters, 678 selfloop transitions, 197 changer transitions 9/891 dead transitions. [2023-08-25 03:36:58,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 891 transitions, 12859 flow [2023-08-25 03:36:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-25 03:36:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-25 03:36:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2021 transitions. [2023-08-25 03:36:58,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31469947056991593 [2023-08-25 03:36:58,205 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2021 transitions. [2023-08-25 03:36:58,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2021 transitions. [2023-08-25 03:36:58,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:58,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2021 transitions. [2023-08-25 03:36:58,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 155.46153846153845) internal successors, (2021), 13 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states 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 03:36:58,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 494.0) internal successors, (6916), 14 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 03:36:58,213 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 494.0) internal successors, (6916), 14 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 03:36:58,214 INFO L175 Difference]: Start difference. First operand has 232 places, 614 transitions, 8491 flow. Second operand 13 states and 2021 transitions. [2023-08-25 03:36:58,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 891 transitions, 12859 flow [2023-08-25 03:36:58,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 891 transitions, 12775 flow, removed 40 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:58,422 INFO L231 Difference]: Finished difference. Result has 251 places, 659 transitions, 10201 flow [2023-08-25 03:36:58,423 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=8407, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10201, PETRI_PLACES=251, PETRI_TRANSITIONS=659} [2023-08-25 03:36:58,423 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 145 predicate places. [2023-08-25 03:36:58,423 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 659 transitions, 10201 flow [2023-08-25 03:36:58,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 138.8) internal successors, (1388), 10 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states 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 03:36:58,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:58,424 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:36:58,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-25 03:36:58,424 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:36:58,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:58,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1884002618, now seen corresponding path program 1 times [2023-08-25 03:36:58,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:58,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090281008] [2023-08-25 03:36:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:59,519 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 03:36:59,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:59,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090281008] [2023-08-25 03:36:59,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090281008] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:59,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:59,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:36:59,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933457864] [2023-08-25 03:36:59,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:59,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:36:59,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:59,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:36:59,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:36:59,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 494 [2023-08-25 03:36:59,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 659 transitions, 10201 flow. Second operand has 12 states, 12 states have (on average 130.5) internal successors, (1566), 12 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states 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 03:36:59,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:59,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 494 [2023-08-25 03:36:59,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:04,112 INFO L124 PetriNetUnfolderBase]: 3097/6973 cut-off events. [2023-08-25 03:37:04,112 INFO L125 PetriNetUnfolderBase]: For 63642/63646 co-relation queries the response was YES. [2023-08-25 03:37:04,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36678 conditions, 6973 events. 3097/6973 cut-off events. For 63642/63646 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 52006 event pairs, 428 based on Foata normal form. 7/6874 useless extension candidates. Maximal degree in co-relation 36599. Up to 2274 conditions per place. [2023-08-25 03:37:04,162 INFO L140 encePairwiseOnDemand]: 474/494 looper letters, 644 selfloop transitions, 245 changer transitions 16/912 dead transitions. [2023-08-25 03:37:04,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 912 transitions, 13490 flow [2023-08-25 03:37:04,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-25 03:37:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-25 03:37:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 3393 transitions. [2023-08-25 03:37:04,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28618421052631576 [2023-08-25 03:37:04,166 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 3393 transitions. [2023-08-25 03:37:04,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 3393 transitions. [2023-08-25 03:37:04,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:04,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 3393 transitions. [2023-08-25 03:37:04,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 141.375) internal successors, (3393), 24 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states 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 03:37:04,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 494.0) internal successors, (12350), 25 states have internal predecessors, (12350), 0 states have call successors, (0), 0 states 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 03:37:04,179 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 494.0) internal successors, (12350), 25 states have internal predecessors, (12350), 0 states have call successors, (0), 0 states 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 03:37:04,179 INFO L175 Difference]: Start difference. First operand has 251 places, 659 transitions, 10201 flow. Second operand 24 states and 3393 transitions. [2023-08-25 03:37:04,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 912 transitions, 13490 flow [2023-08-25 03:37:04,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 912 transitions, 13397 flow, removed 41 selfloop flow, removed 2 redundant places. [2023-08-25 03:37:04,549 INFO L231 Difference]: Finished difference. Result has 277 places, 667 transitions, 10958 flow [2023-08-25 03:37:04,550 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=10108, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=10958, PETRI_PLACES=277, PETRI_TRANSITIONS=667} [2023-08-25 03:37:04,550 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 171 predicate places. [2023-08-25 03:37:04,550 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 667 transitions, 10958 flow [2023-08-25 03:37:04,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.5) internal successors, (1566), 12 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states 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 03:37:04,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:04,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:04,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-25 03:37:04,552 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:04,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1577471982, now seen corresponding path program 1 times [2023-08-25 03:37:04,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:04,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186865011] [2023-08-25 03:37:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:04,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:05,997 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 03:37:05,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:05,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186865011] [2023-08-25 03:37:05,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186865011] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:05,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:05,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:37:05,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510853728] [2023-08-25 03:37:05,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:05,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:37:05,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:05,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:37:05,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:37:06,000 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 494 [2023-08-25 03:37:06,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 667 transitions, 10958 flow. Second operand has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:06,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:06,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 494 [2023-08-25 03:37:06,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:11,548 INFO L124 PetriNetUnfolderBase]: 3826/8581 cut-off events. [2023-08-25 03:37:11,548 INFO L125 PetriNetUnfolderBase]: For 95005/95011 co-relation queries the response was YES. [2023-08-25 03:37:11,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47543 conditions, 8581 events. 3826/8581 cut-off events. For 95005/95011 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 66073 event pairs, 1106 based on Foata normal form. 7/8407 useless extension candidates. Maximal degree in co-relation 47459. Up to 1665 conditions per place. [2023-08-25 03:37:11,627 INFO L140 encePairwiseOnDemand]: 472/494 looper letters, 932 selfloop transitions, 169 changer transitions 22/1130 dead transitions. [2023-08-25 03:37:11,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 1130 transitions, 18520 flow [2023-08-25 03:37:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-25 03:37:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-25 03:37:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3262 transitions. [2023-08-25 03:37:11,632 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.30014722119985277 [2023-08-25 03:37:11,632 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3262 transitions. [2023-08-25 03:37:11,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3262 transitions. [2023-08-25 03:37:11,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:11,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3262 transitions. [2023-08-25 03:37:11,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 148.27272727272728) internal successors, (3262), 22 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states 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 03:37:11,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 494.0) internal successors, (11362), 23 states have internal predecessors, (11362), 0 states have call successors, (0), 0 states 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 03:37:11,644 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 494.0) internal successors, (11362), 23 states have internal predecessors, (11362), 0 states have call successors, (0), 0 states 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 03:37:11,644 INFO L175 Difference]: Start difference. First operand has 277 places, 667 transitions, 10958 flow. Second operand 22 states and 3262 transitions. [2023-08-25 03:37:11,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 1130 transitions, 18520 flow [2023-08-25 03:37:12,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 1130 transitions, 17896 flow, removed 138 selfloop flow, removed 30 redundant places. [2023-08-25 03:37:12,038 INFO L231 Difference]: Finished difference. Result has 272 places, 737 transitions, 12398 flow [2023-08-25 03:37:12,038 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=10505, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=12398, PETRI_PLACES=272, PETRI_TRANSITIONS=737} [2023-08-25 03:37:12,038 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 166 predicate places. [2023-08-25 03:37:12,038 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 737 transitions, 12398 flow [2023-08-25 03:37:12,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:12,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:12,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:12,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-25 03:37:12,039 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:12,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:12,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1182180076, now seen corresponding path program 2 times [2023-08-25 03:37:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:12,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73262461] [2023-08-25 03:37:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:12,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:13,506 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 03:37:13,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:13,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73262461] [2023-08-25 03:37:13,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73262461] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:13,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:13,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:37:13,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592277104] [2023-08-25 03:37:13,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:13,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:37:13,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:13,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:37:13,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:37:13,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 494 [2023-08-25 03:37:13,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 737 transitions, 12398 flow. Second operand has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:13,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:13,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 494 [2023-08-25 03:37:13,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:18,572 INFO L124 PetriNetUnfolderBase]: 4144/9317 cut-off events. [2023-08-25 03:37:18,573 INFO L125 PetriNetUnfolderBase]: For 102068/102074 co-relation queries the response was YES. [2023-08-25 03:37:18,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51251 conditions, 9317 events. 4144/9317 cut-off events. For 102068/102074 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 72684 event pairs, 930 based on Foata normal form. 12/9304 useless extension candidates. Maximal degree in co-relation 51181. Up to 1845 conditions per place. [2023-08-25 03:37:18,647 INFO L140 encePairwiseOnDemand]: 479/494 looper letters, 950 selfloop transitions, 159 changer transitions 74/1190 dead transitions. [2023-08-25 03:37:18,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 1190 transitions, 19244 flow [2023-08-25 03:37:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-25 03:37:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-25 03:37:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3173 transitions. [2023-08-25 03:37:18,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3058608058608059 [2023-08-25 03:37:18,650 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3173 transitions. [2023-08-25 03:37:18,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3173 transitions. [2023-08-25 03:37:18,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:18,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3173 transitions. [2023-08-25 03:37:18,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 151.0952380952381) internal successors, (3173), 21 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states 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 03:37:18,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 494.0) internal successors, (10868), 22 states have internal predecessors, (10868), 0 states have call successors, (0), 0 states 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 03:37:18,660 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 494.0) internal successors, (10868), 22 states have internal predecessors, (10868), 0 states have call successors, (0), 0 states 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 03:37:18,660 INFO L175 Difference]: Start difference. First operand has 272 places, 737 transitions, 12398 flow. Second operand 21 states and 3173 transitions. [2023-08-25 03:37:18,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 1190 transitions, 19244 flow [2023-08-25 03:37:19,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 1190 transitions, 18943 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-25 03:37:19,076 INFO L231 Difference]: Finished difference. Result has 300 places, 781 transitions, 12908 flow [2023-08-25 03:37:19,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=12137, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=737, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=12908, PETRI_PLACES=300, PETRI_TRANSITIONS=781} [2023-08-25 03:37:19,077 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 194 predicate places. [2023-08-25 03:37:19,077 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 781 transitions, 12908 flow [2023-08-25 03:37:19,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:19,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:19,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:19,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-25 03:37:19,078 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:19,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:19,078 INFO L85 PathProgramCache]: Analyzing trace with hash -486978112, now seen corresponding path program 3 times [2023-08-25 03:37:19,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:19,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101894201] [2023-08-25 03:37:19,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:19,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:20,468 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 03:37:20,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:20,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101894201] [2023-08-25 03:37:20,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101894201] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:20,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:20,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:37:20,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536602959] [2023-08-25 03:37:20,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:20,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:37:20,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:20,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:37:20,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:37:20,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 494 [2023-08-25 03:37:20,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 781 transitions, 12908 flow. Second operand has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:20,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:20,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 494 [2023-08-25 03:37:20,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:26,681 INFO L124 PetriNetUnfolderBase]: 4900/10967 cut-off events. [2023-08-25 03:37:26,681 INFO L125 PetriNetUnfolderBase]: For 125193/125199 co-relation queries the response was YES. [2023-08-25 03:37:26,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62252 conditions, 10967 events. 4900/10967 cut-off events. For 125193/125199 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 88068 event pairs, 1281 based on Foata normal form. 12/10950 useless extension candidates. Maximal degree in co-relation 62171. Up to 2020 conditions per place. [2023-08-25 03:37:26,773 INFO L140 encePairwiseOnDemand]: 472/494 looper letters, 1026 selfloop transitions, 194 changer transitions 23/1250 dead transitions. [2023-08-25 03:37:26,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 1250 transitions, 20904 flow [2023-08-25 03:37:26,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-25 03:37:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-25 03:37:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 3545 transitions. [2023-08-25 03:37:26,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2990047233468286 [2023-08-25 03:37:26,777 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 3545 transitions. [2023-08-25 03:37:26,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 3545 transitions. [2023-08-25 03:37:26,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:26,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 3545 transitions. [2023-08-25 03:37:26,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 147.70833333333334) internal successors, (3545), 24 states have internal predecessors, (3545), 0 states have call successors, (0), 0 states 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 03:37:26,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 494.0) internal successors, (12350), 25 states have internal predecessors, (12350), 0 states have call successors, (0), 0 states 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 03:37:26,789 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 494.0) internal successors, (12350), 25 states have internal predecessors, (12350), 0 states have call successors, (0), 0 states 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 03:37:26,789 INFO L175 Difference]: Start difference. First operand has 300 places, 781 transitions, 12908 flow. Second operand 24 states and 3545 transitions. [2023-08-25 03:37:26,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 1250 transitions, 20904 flow [2023-08-25 03:37:27,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 1250 transitions, 20711 flow, removed 15 selfloop flow, removed 5 redundant places. [2023-08-25 03:37:27,210 INFO L231 Difference]: Finished difference. Result has 323 places, 846 transitions, 14928 flow [2023-08-25 03:37:27,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=12720, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=14928, PETRI_PLACES=323, PETRI_TRANSITIONS=846} [2023-08-25 03:37:27,211 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 217 predicate places. [2023-08-25 03:37:27,212 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 846 transitions, 14928 flow [2023-08-25 03:37:27,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:27,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:27,212 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:27,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-25 03:37:27,212 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:27,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1331434038, now seen corresponding path program 1 times [2023-08-25 03:37:27,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:27,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195576951] [2023-08-25 03:37:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:28,712 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 03:37:28,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195576951] [2023-08-25 03:37:28,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195576951] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:28,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:28,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-25 03:37:28,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868750544] [2023-08-25 03:37:28,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:28,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 03:37:28,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:28,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 03:37:28,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-25 03:37:28,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 494 [2023-08-25 03:37:28,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 846 transitions, 14928 flow. Second operand has 11 states, 11 states have (on average 134.8181818181818) internal successors, (1483), 11 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states 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 03:37:28,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:28,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 494 [2023-08-25 03:37:28,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:33,925 INFO L124 PetriNetUnfolderBase]: 4878/10918 cut-off events. [2023-08-25 03:37:33,925 INFO L125 PetriNetUnfolderBase]: For 133081/133087 co-relation queries the response was YES. [2023-08-25 03:37:33,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63364 conditions, 10918 events. 4878/10918 cut-off events. For 133081/133087 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 87675 event pairs, 1431 based on Foata normal form. 22/10905 useless extension candidates. Maximal degree in co-relation 63279. Up to 2556 conditions per place. [2023-08-25 03:37:34,016 INFO L140 encePairwiseOnDemand]: 470/494 looper letters, 842 selfloop transitions, 216 changer transitions 54/1119 dead transitions. [2023-08-25 03:37:34,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 1119 transitions, 19595 flow [2023-08-25 03:37:34,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-25 03:37:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-25 03:37:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1923 transitions. [2023-08-25 03:37:34,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3243927125506073 [2023-08-25 03:37:34,019 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1923 transitions. [2023-08-25 03:37:34,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1923 transitions. [2023-08-25 03:37:34,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:34,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1923 transitions. [2023-08-25 03:37:34,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 160.25) internal successors, (1923), 12 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states 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 03:37:34,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 494.0) internal successors, (6422), 13 states have internal predecessors, (6422), 0 states have call successors, (0), 0 states 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 03:37:34,024 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 494.0) internal successors, (6422), 13 states have internal predecessors, (6422), 0 states have call successors, (0), 0 states 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 03:37:34,024 INFO L175 Difference]: Start difference. First operand has 323 places, 846 transitions, 14928 flow. Second operand 12 states and 1923 transitions. [2023-08-25 03:37:34,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 1119 transitions, 19595 flow [2023-08-25 03:37:34,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 1119 transitions, 19344 flow, removed 9 selfloop flow, removed 16 redundant places. [2023-08-25 03:37:34,544 INFO L231 Difference]: Finished difference. Result has 322 places, 854 transitions, 15368 flow [2023-08-25 03:37:34,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=14682, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=846, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=634, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15368, PETRI_PLACES=322, PETRI_TRANSITIONS=854} [2023-08-25 03:37:34,546 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 216 predicate places. [2023-08-25 03:37:34,546 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 854 transitions, 15368 flow [2023-08-25 03:37:34,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 134.8181818181818) internal successors, (1483), 11 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states 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 03:37:34,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:34,547 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:34,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-25 03:37:34,547 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:34,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:34,547 INFO L85 PathProgramCache]: Analyzing trace with hash -239139004, now seen corresponding path program 4 times [2023-08-25 03:37:34,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:34,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936228695] [2023-08-25 03:37:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:36,042 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 03:37:36,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:36,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936228695] [2023-08-25 03:37:36,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936228695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:36,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:36,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-25 03:37:36,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356627108] [2023-08-25 03:37:36,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:36,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 03:37:36,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:36,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 03:37:36,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-25 03:37:36,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 494 [2023-08-25 03:37:36,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 854 transitions, 15368 flow. Second operand has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:36,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:36,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 494 [2023-08-25 03:37:36,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:42,794 INFO L124 PetriNetUnfolderBase]: 5642/12610 cut-off events. [2023-08-25 03:37:42,794 INFO L125 PetriNetUnfolderBase]: For 170614/170620 co-relation queries the response was YES. [2023-08-25 03:37:42,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77104 conditions, 12610 events. 5642/12610 cut-off events. For 170614/170620 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 104104 event pairs, 1397 based on Foata normal form. 11/12581 useless extension candidates. Maximal degree in co-relation 77014. Up to 2719 conditions per place. [2023-08-25 03:37:42,934 INFO L140 encePairwiseOnDemand]: 473/494 looper letters, 1111 selfloop transitions, 216 changer transitions 24/1358 dead transitions. [2023-08-25 03:37:42,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 1358 transitions, 24737 flow [2023-08-25 03:37:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-08-25 03:37:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2023-08-25 03:37:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 3421 transitions. [2023-08-25 03:37:42,938 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3010913571554304 [2023-08-25 03:37:42,938 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 3421 transitions. [2023-08-25 03:37:42,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 3421 transitions. [2023-08-25 03:37:42,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:42,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 3421 transitions. [2023-08-25 03:37:42,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 148.7391304347826) internal successors, (3421), 23 states have internal predecessors, (3421), 0 states have call successors, (0), 0 states 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 03:37:42,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 494.0) internal successors, (11856), 24 states have internal predecessors, (11856), 0 states have call successors, (0), 0 states 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 03:37:42,950 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 494.0) internal successors, (11856), 24 states have internal predecessors, (11856), 0 states have call successors, (0), 0 states 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 03:37:42,950 INFO L175 Difference]: Start difference. First operand has 322 places, 854 transitions, 15368 flow. Second operand 23 states and 3421 transitions. [2023-08-25 03:37:42,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 1358 transitions, 24737 flow [2023-08-25 03:37:43,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 1358 transitions, 24515 flow, removed 15 selfloop flow, removed 6 redundant places. [2023-08-25 03:37:43,584 INFO L231 Difference]: Finished difference. Result has 346 places, 934 transitions, 17933 flow [2023-08-25 03:37:43,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=15182, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=17933, PETRI_PLACES=346, PETRI_TRANSITIONS=934} [2023-08-25 03:37:43,586 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 240 predicate places. [2023-08-25 03:37:43,586 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 934 transitions, 17933 flow [2023-08-25 03:37:43,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 136.5) internal successors, (1638), 12 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states 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 03:37:43,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:43,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:43,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-25 03:37:43,587 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:43,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 813163844, now seen corresponding path program 5 times [2023-08-25 03:37:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212394081] [2023-08-25 03:37:43,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:45,032 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 03:37:45,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212394081] [2023-08-25 03:37:45,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212394081] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:45,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:45,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 03:37:45,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653422607] [2023-08-25 03:37:45,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:45,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 03:37:45,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:45,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 03:37:45,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-08-25 03:37:45,035 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 494 [2023-08-25 03:37:45,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 934 transitions, 17933 flow. Second operand has 13 states, 13 states have (on average 136.23076923076923) internal successors, (1771), 13 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states 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 03:37:45,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:45,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 494 [2023-08-25 03:37:45,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:50,799 INFO L124 PetriNetUnfolderBase]: 5632/12531 cut-off events. [2023-08-25 03:37:50,799 INFO L125 PetriNetUnfolderBase]: For 179772/179778 co-relation queries the response was YES. [2023-08-25 03:37:50,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77566 conditions, 12531 events. 5632/12531 cut-off events. For 179772/179778 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 102822 event pairs, 1825 based on Foata normal form. 11/12506 useless extension candidates. Maximal degree in co-relation 77469. Up to 4325 conditions per place. [2023-08-25 03:37:50,918 INFO L140 encePairwiseOnDemand]: 483/494 looper letters, 926 selfloop transitions, 86 changer transitions 52/1071 dead transitions. [2023-08-25 03:37:50,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 1071 transitions, 21315 flow [2023-08-25 03:37:50,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-25 03:37:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-25 03:37:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1656 transitions. [2023-08-25 03:37:50,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.30474788369525213 [2023-08-25 03:37:50,920 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1656 transitions. [2023-08-25 03:37:50,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1656 transitions. [2023-08-25 03:37:50,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:50,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1656 transitions. [2023-08-25 03:37:50,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 150.54545454545453) internal successors, (1656), 11 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states 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 03:37:50,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 494.0) internal successors, (5928), 12 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states 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 03:37:50,924 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 494.0) internal successors, (5928), 12 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states 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 03:37:50,924 INFO L175 Difference]: Start difference. First operand has 346 places, 934 transitions, 17933 flow. Second operand 11 states and 1656 transitions. [2023-08-25 03:37:50,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 1071 transitions, 21315 flow [2023-08-25 03:37:51,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 1071 transitions, 20764 flow, removed 27 selfloop flow, removed 15 redundant places. [2023-08-25 03:37:51,605 INFO L231 Difference]: Finished difference. Result has 340 places, 921 transitions, 17397 flow [2023-08-25 03:37:51,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=17368, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=847, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17397, PETRI_PLACES=340, PETRI_TRANSITIONS=921} [2023-08-25 03:37:51,605 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 234 predicate places. [2023-08-25 03:37:51,606 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 921 transitions, 17397 flow [2023-08-25 03:37:51,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.23076923076923) internal successors, (1771), 13 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states 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 03:37:51,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:51,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:51,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-25 03:37:51,606 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 03:37:51,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:51,607 INFO L85 PathProgramCache]: Analyzing trace with hash 745080649, now seen corresponding path program 1 times [2023-08-25 03:37:51,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:51,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225664119] [2023-08-25 03:37:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:51,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:37:51,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:37:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:37:51,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:37:51,751 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:37:51,751 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2023-08-25 03:37:51,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-08-25 03:37:51,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-08-25 03:37:51,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-08-25 03:37:51,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-08-25 03:37:51,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-08-25 03:37:51,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-08-25 03:37:51,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-08-25 03:37:51,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-08-25 03:37:51,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-08-25 03:37:51,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-08-25 03:37:51,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-08-25 03:37:51,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-08-25 03:37:51,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-25 03:37:51,760 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:37:51,767 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:37:51,768 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:37:51,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:37:51 BasicIcfg [2023-08-25 03:37:51,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:37:51,844 INFO L158 Benchmark]: Toolchain (without parser) took 468756.44ms. Allocated memory was 348.1MB in the beginning and 6.2GB in the end (delta: 5.8GB). Free memory was 321.8MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2023-08-25 03:37:51,844 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 348.1MB. Free memory is still 324.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:37:51,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.40ms. Allocated memory is still 348.1MB. Free memory was 321.3MB in the beginning and 281.8MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-25 03:37:51,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.87ms. Allocated memory is still 348.1MB. Free memory was 281.3MB in the beginning and 278.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:37:51,849 INFO L158 Benchmark]: Boogie Preprocessor took 74.02ms. Allocated memory is still 348.1MB. Free memory was 278.1MB in the beginning and 274.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:37:51,849 INFO L158 Benchmark]: RCFGBuilder took 713.74ms. Allocated memory is still 348.1MB. Free memory was 274.5MB in the beginning and 299.3MB in the end (delta: -24.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.0GB. [2023-08-25 03:37:51,849 INFO L158 Benchmark]: TraceAbstraction took 467201.36ms. Allocated memory was 348.1MB in the beginning and 6.2GB in the end (delta: 5.8GB). Free memory was 298.2MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2023-08-25 03:37:51,850 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 348.1MB. Free memory is still 324.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 684.40ms. Allocated memory is still 348.1MB. Free memory was 321.3MB in the beginning and 281.8MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 76.87ms. Allocated memory is still 348.1MB. Free memory was 281.3MB in the beginning and 278.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 74.02ms. Allocated memory is still 348.1MB. Free memory was 278.1MB in the beginning and 274.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 713.74ms. Allocated memory is still 348.1MB. Free memory was 274.5MB in the beginning and 299.3MB in the end (delta: -24.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.0GB. * TraceAbstraction took 467201.36ms. Allocated memory was 348.1MB in the beginning and 6.2GB in the end (delta: 5.8GB). Free memory was 298.2MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1044] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 366.4s, 270 PlacesBefore, 106 PlacesAfterwards, 266 TransitionsBefore, 102 TransitionsAfterwards, 7590 CoEnabledTransitionPairs, 10 FixpointIterations, 189 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 227 TotalNumberOfCompositions, 81588 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9814, independent: 8026, independent conditional: 0, independent unconditional: 8026, dependent: 1788, dependent conditional: 0, dependent unconditional: 1788, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2667, independent: 2529, independent conditional: 0, independent unconditional: 2529, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9814, independent: 5497, independent conditional: 0, independent unconditional: 5497, dependent: 1650, dependent conditional: 0, dependent unconditional: 1650, unknown: 2667, unknown conditional: 0, unknown unconditional: 2667] , Statistics on independence cache: Total cache size (in pairs): 553, Positive cache size: 451, Positive conditional cache size: 0, Positive unconditional cache size: 451, Negative cache size: 102, Negative conditional cache size: 0, Negative unconditional cache size: 102, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1235]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1243] 0 pthread_t t1; [L1244] 0 struct s *p = malloc(sizeof(struct s)); [L1245] CALL 0 init(p,9) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1245] RET 0 init(p,9) [L1246] 0 A = malloc(sizeof(struct s)) [L1247] 0 init(A,3) [L1247] CALL 0 init(A,3) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1247] RET 0 init(A,3) [L1248] EXPR 0 A->next [L1248] 0 A->next = p [L1249] 0 B = malloc(sizeof(struct s)) [L1250] 0 init(B,5) [L1250] CALL 0 init(B,5) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1250] RET 0 init(B,5) [L1251] EXPR 0 B->next [L1251] 0 B->next = p [L1252] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-3:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1254] EXPR 0 A->next VAL [A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-3:0}, t1={13:0}] [L1254] 0 p = A->next VAL [A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-3:0}, t1={13:0}] [L1255] EXPR 0 p->datum VAL [A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p->datum=9, p={-3:0}, t1={13:0}] [L1255] 0 printf("%d\n", p->datum) [L1258] EXPR 0 B->next VAL [A={-2:0}, A_mutex={1:0}, B->next={-3:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-3:0}, t1={13:0}] [L1235] EXPR 1 A->next VAL [A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1235] EXPR 1 A->next->datum VAL [A->next->datum=9, A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1235] 1 A->next->datum++ VAL [A->next->datum++=27, A->next->datum++=9, A->next->datum=9, A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1258] 0 p = B->next [L1259] 0 p->datum VAL [A->next->datum++=27, A->next->datum++=9, A->next->datum=9, A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p->datum=10, p={-3:0}, t1={13:0}] [L1235] 1 A->next->datum++ VAL [A->next->datum++=27, A->next->datum++=9, A->next->datum=9, A->next={-3:0}, A={-2:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: A->next = p [1248] * C: printf("%d\n", p->datum) [1259] * C: init(B,5) [1250] * C: printf("%d\n", p->datum) [1255] * C: A = malloc(sizeof(struct s)) [1246] * C: A->next [1254] * C: p = B->next [1258] * C: A->next->datum++ [1235] * C: printf("%d\n", p->datum) [1255] * C: A->next->datum++ [1235] * C: B->next [1251] * C: p = B->next [1258] * C: init(A,3) [1247] * C: A->next->datum [1235] * C: B->next [1258] * C: p = A->next [1254] * C: B->next = p [1251] * C: A->next->datum [1235] * C: p -> datum = x [1228] * C: A->next = p [1248] * C: B->next = p [1251] * C: p = A->next [1254] * C: p = B->next [1258] * C: A->next->datum++ [1235] * C: A->next = p [1248] * C: A->next = p [1248] * C: A->next->datum++ [1235] * C: B->next = p [1251] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: printf("%d\n", p->datum) [1255] * C: printf("%d\n", p->datum) [1255] * C: p = A->next [1254] * C: A->next->datum [1235] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: p -> next = ((void *)0) [1229] * C: p = B->next [1258] * C: A->next [1235] * C: A->next->datum [1235] * C: p = A->next [1254] * C: A->next [1248] * C: p -> next = ((void *)0) [1229] * C: B = malloc(sizeof(struct s)) [1249] * C: B->next = p [1251] * C: p -> datum = x [1228] and C: A->next->datum++ [1235] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1259]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 339 locations, 37 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 467.0s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 78.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 366.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3233 SdHoareTripleChecker+Valid, 44.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3233 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 41.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 321 mSDsCounter, 2379 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16401 IncrementalHoareTripleChecker+Invalid, 18780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2379 mSolverCounterUnsat, 468 mSDtfsCounter, 16401 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17933occurred in iteration=23, InterpolantAutomatonStates: 270, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 841 NumberOfCodeBlocks, 841 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 12005 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-25 03:37:52,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...