/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_05-ptra_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:30:34,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:30:34,720 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 03:30:34,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:30:34,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:30:34,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:30:34,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:30:34,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:30:34,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:30:34,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:30:34,747 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:30:34,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:30:34,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:30:34,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:30:34,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:30:34,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:30:34,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:30:34,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:30:34,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:30:34,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:30:34,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:30:34,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:30:34,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:30:34,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:30:34,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:30:34,753 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:30:34,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:30:34,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:30:34,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:30:34,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:30:34,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:30:34,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:30:34,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:30:34,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:30:34,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:30:34,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:30:35,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:30:35,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:30:35,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:30:35,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:30:35,097 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:30:35,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2023-08-25 03:30:36,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:30:36,707 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:30:36,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2023-08-25 03:30:36,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030d46e54/ada0989010794bfabc9daba1334bf07d/FLAGef2ea422f [2023-08-25 03:30:36,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030d46e54/ada0989010794bfabc9daba1334bf07d [2023-08-25 03:30:36,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:30:36,757 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:30:36,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:30:36,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:30:36,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:30:36,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef365a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36, skipping insertion in model container [2023-08-25 03:30:36,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,822 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:30:37,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:30:37,326 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:30:37,340 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245] [2023-08-25 03:30:37,341 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245] [2023-08-25 03:30:37,354 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1045] [2023-08-25 03:30:37,366 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1259] [2023-08-25 03:30:37,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:30:37,446 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:30:37,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37 WrapperNode [2023-08-25 03:30:37,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:30:37,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:30:37,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:30:37,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:30:37,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,504 INFO L138 Inliner]: procedures = 369, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 208 [2023-08-25 03:30:37,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:30:37,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:30:37,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:30:37,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:30:37,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:30:37,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:30:37,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:30:37,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:30:37,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (1/1) ... [2023-08-25 03:30:37,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:30:37,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:30:37,631 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 03:30:37,633 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 03:30:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:30:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 03:30:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:30:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:30:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:30:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:30:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 03:30:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:30:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 03:30:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:30:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:30:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:30:37,659 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 03:30:37,785 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:30:37,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:30:38,250 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:30:38,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:30:38,257 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:30:38,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:30:38 BoogieIcfgContainer [2023-08-25 03:30:38,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:30:38,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:30:38,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:30:38,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:30:38,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:30:36" (1/3) ... [2023-08-25 03:30:38,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e79e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:30:38, skipping insertion in model container [2023-08-25 03:30:38,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:37" (2/3) ... [2023-08-25 03:30:38,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e79e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:30:38, skipping insertion in model container [2023-08-25 03:30:38,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:30:38" (3/3) ... [2023-08-25 03:30:38,269 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2023-08-25 03:30:38,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:30:38,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-25 03:30:38,286 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:30:38,387 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:30:38,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 236 transitions, 477 flow [2023-08-25 03:30:38,522 INFO L124 PetriNetUnfolderBase]: 0/235 cut-off events. [2023-08-25 03:30:38,523 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:30:38,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 235 events. 0/235 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:30:38,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 236 transitions, 477 flow [2023-08-25 03:30:38,536 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 239 places, 235 transitions, 473 flow [2023-08-25 03:30:38,540 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:30:38,551 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 235 transitions, 473 flow [2023-08-25 03:30:38,555 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 235 transitions, 473 flow [2023-08-25 03:30:38,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 235 transitions, 473 flow [2023-08-25 03:30:38,618 INFO L124 PetriNetUnfolderBase]: 0/235 cut-off events. [2023-08-25 03:30:38,618 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:30:38,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 235 events. 0/235 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:30:38,623 INFO L119 LiptonReduction]: Number of co-enabled transitions 4620 [2023-08-25 03:31:28,639 WARN L234 SmtUtils]: Spent 22.22s on a formula simplification. DAG size of input: 160 DAG size of output: 158 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:40,630 WARN L234 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 160 DAG size of output: 158 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:46,441 WARN L234 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:52,118 WARN L234 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 272 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:58,851 WARN L234 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 244 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:32:24,935 WARN L234 SmtUtils]: Spent 26.08s on a formula simplification that was a NOOP. DAG size: 272 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:32:36,925 WARN L234 SmtUtils]: Spent 11.99s on a formula simplification that was a NOOP. DAG size: 244 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:24,220 WARN L234 SmtUtils]: Spent 47.27s on a formula simplification that was a NOOP. DAG size: 344 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:55,716 WARN L234 SmtUtils]: Spent 31.49s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:34:46,022 WARN L234 SmtUtils]: Spent 50.30s on a formula simplification that was a NOOP. DAG size: 344 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:35:34,429 WARN L234 SmtUtils]: Spent 48.40s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:35:34,439 INFO L134 LiptonReduction]: Checked pairs total: 39612 [2023-08-25 03:35:34,439 INFO L136 LiptonReduction]: Total number of compositions: 211 [2023-08-25 03:35:34,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:35:34,455 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;@5d9830c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:35:34,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-08-25 03:35:34,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:35:34,457 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 03:35:34,457 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:35:34,457 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:34,457 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 03:35:34,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:34,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash 768, now seen corresponding path program 1 times [2023-08-25 03:35:34,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:34,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619363391] [2023-08-25 03:35:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:34,581 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 03:35:34,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:34,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619363391] [2023-08-25 03:35:34,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619363391] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:34,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:34,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 03:35:34,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230705109] [2023-08-25 03:35:34,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:34,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:35:34,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:34,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:35:34,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:35:34,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 447 [2023-08-25 03:35:34,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 157 flow. Second operand has 2 states, 2 states have (on average 235.5) internal successors, (471), 2 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:34,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:34,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 447 [2023-08-25 03:35:34,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:34,878 INFO L124 PetriNetUnfolderBase]: 75/373 cut-off events. [2023-08-25 03:35:34,878 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:35:34,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 373 events. 75/373 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1763 event pairs, 75 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 541. Up to 173 conditions per place. [2023-08-25 03:35:34,883 INFO L140 encePairwiseOnDemand]: 435/447 looper letters, 22 selfloop transitions, 0 changer transitions 0/65 dead transitions. [2023-08-25 03:35:34,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 177 flow [2023-08-25 03:35:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:35:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:35:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 504 transitions. [2023-08-25 03:35:34,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5637583892617449 [2023-08-25 03:35:34,897 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 504 transitions. [2023-08-25 03:35:34,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 504 transitions. [2023-08-25 03:35:34,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:34,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 504 transitions. [2023-08-25 03:35:34,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 252.0) internal successors, (504), 2 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:34,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:34,910 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:34,912 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 157 flow. Second operand 2 states and 504 transitions. [2023-08-25 03:35:34,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 177 flow [2023-08-25 03:35:34,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 65 transitions, 176 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:35:34,916 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 132 flow [2023-08-25 03:35:34,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2023-08-25 03:35:34,921 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -12 predicate places. [2023-08-25 03:35:34,921 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 132 flow [2023-08-25 03:35:34,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 235.5) internal successors, (471), 2 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:34,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:34,922 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 03:35:34,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:35:34,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:34,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash 744712625, now seen corresponding path program 1 times [2023-08-25 03:35:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:34,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896745250] [2023-08-25 03:35:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:35,138 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 03:35:35,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896745250] [2023-08-25 03:35:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896745250] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:35,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:35,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:35:35,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612665025] [2023-08-25 03:35:35,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:35,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:35:35,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:35,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:35:35,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:35:35,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 447 [2023-08-25 03:35:35,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:35,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:35,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 447 [2023-08-25 03:35:35,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:35,518 INFO L124 PetriNetUnfolderBase]: 112/486 cut-off events. [2023-08-25 03:35:35,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:35:35,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 486 events. 112/486 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2344 event pairs, 112 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 737. Up to 249 conditions per place. [2023-08-25 03:35:35,522 INFO L140 encePairwiseOnDemand]: 443/447 looper letters, 24 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2023-08-25 03:35:35,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 176 flow [2023-08-25 03:35:35,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:35:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:35:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2023-08-25 03:35:35,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.506338553318419 [2023-08-25 03:35:35,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2023-08-25 03:35:35,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2023-08-25 03:35:35,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:35,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2023-08-25 03:35:35,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:35,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 447.0) internal successors, (1788), 4 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:35,531 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 447.0) internal successors, (1788), 4 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:35,532 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 132 flow. Second operand 3 states and 679 transitions. [2023-08-25 03:35:35,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 176 flow [2023-08-25 03:35:35,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 176 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:35:35,533 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 128 flow [2023-08-25 03:35:35,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2023-08-25 03:35:35,534 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -13 predicate places. [2023-08-25 03:35:35,534 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 128 flow [2023-08-25 03:35:35,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:35,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:35,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:35,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:35:35,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:35,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1420049530, now seen corresponding path program 1 times [2023-08-25 03:35:35,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:35,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000830641] [2023-08-25 03:35:35,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:36,158 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 03:35:36,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:36,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000830641] [2023-08-25 03:35:36,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000830641] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:36,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:36,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:35:36,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600140323] [2023-08-25 03:35:36,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:36,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:35:36,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:35:36,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:35:36,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 447 [2023-08-25 03:35:36,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 128 flow. Second operand has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:36,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:36,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 447 [2023-08-25 03:35:36,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:37,239 INFO L124 PetriNetUnfolderBase]: 635/1386 cut-off events. [2023-08-25 03:35:37,239 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:35:37,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2723 conditions, 1386 events. 635/1386 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6532 event pairs, 516 based on Foata normal form. 0/1218 useless extension candidates. Maximal degree in co-relation 2719. Up to 1239 conditions per place. [2023-08-25 03:35:37,248 INFO L140 encePairwiseOnDemand]: 433/447 looper letters, 83 selfloop transitions, 37 changer transitions 0/126 dead transitions. [2023-08-25 03:35:37,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 126 transitions, 496 flow [2023-08-25 03:35:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:35:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:35:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 991 transitions. [2023-08-25 03:35:37,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36950037285607756 [2023-08-25 03:35:37,252 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 991 transitions. [2023-08-25 03:35:37,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 991 transitions. [2023-08-25 03:35:37,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:37,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 991 transitions. [2023-08-25 03:35:37,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:37,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:37,261 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:37,261 INFO L175 Difference]: Start difference. First operand has 68 places, 62 transitions, 128 flow. Second operand 6 states and 991 transitions. [2023-08-25 03:35:37,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 126 transitions, 496 flow [2023-08-25 03:35:37,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 126 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:35:37,265 INFO L231 Difference]: Finished difference. Result has 76 places, 98 transitions, 339 flow [2023-08-25 03:35:37,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=339, PETRI_PLACES=76, PETRI_TRANSITIONS=98} [2023-08-25 03:35:37,266 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -5 predicate places. [2023-08-25 03:35:37,266 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 98 transitions, 339 flow [2023-08-25 03:35:37,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:37,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:37,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:37,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:35:37,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:37,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:37,270 INFO L85 PathProgramCache]: Analyzing trace with hash 508169636, now seen corresponding path program 1 times [2023-08-25 03:35:37,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:37,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084966158] [2023-08-25 03:35:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:37,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:37,685 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 03:35:37,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:37,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084966158] [2023-08-25 03:35:37,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084966158] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:37,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:37,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:35:37,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853933699] [2023-08-25 03:35:37,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:37,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:35:37,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:37,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:35:37,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:35:37,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 447 [2023-08-25 03:35:37,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 98 transitions, 339 flow. Second operand has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:37,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:37,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 447 [2023-08-25 03:35:37,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:39,077 INFO L124 PetriNetUnfolderBase]: 1155/2490 cut-off events. [2023-08-25 03:35:39,077 INFO L125 PetriNetUnfolderBase]: For 449/449 co-relation queries the response was YES. [2023-08-25 03:35:39,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5896 conditions, 2490 events. 1155/2490 cut-off events. For 449/449 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 14045 event pairs, 124 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 5888. Up to 1190 conditions per place. [2023-08-25 03:35:39,092 INFO L140 encePairwiseOnDemand]: 419/447 looper letters, 221 selfloop transitions, 77 changer transitions 0/302 dead transitions. [2023-08-25 03:35:39,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 302 transitions, 1486 flow [2023-08-25 03:35:39,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:35:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:35:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1120 transitions. [2023-08-25 03:35:39,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41759880686055184 [2023-08-25 03:35:39,096 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1120 transitions. [2023-08-25 03:35:39,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1120 transitions. [2023-08-25 03:35:39,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:39,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1120 transitions. [2023-08-25 03:35:39,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.66666666666666) internal successors, (1120), 6 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:39,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:39,105 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:39,105 INFO L175 Difference]: Start difference. First operand has 76 places, 98 transitions, 339 flow. Second operand 6 states and 1120 transitions. [2023-08-25 03:35:39,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 302 transitions, 1486 flow [2023-08-25 03:35:39,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 302 transitions, 1486 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:35:39,113 INFO L231 Difference]: Finished difference. Result has 85 places, 171 transitions, 913 flow [2023-08-25 03:35:39,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=913, PETRI_PLACES=85, PETRI_TRANSITIONS=171} [2023-08-25 03:35:39,114 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 4 predicate places. [2023-08-25 03:35:39,114 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 171 transitions, 913 flow [2023-08-25 03:35:39,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:39,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:39,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:39,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:35:39,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:39,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:39,116 INFO L85 PathProgramCache]: Analyzing trace with hash -185816610, now seen corresponding path program 1 times [2023-08-25 03:35:39,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:39,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705412975] [2023-08-25 03:35:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:39,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:39,736 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 03:35:39,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:39,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705412975] [2023-08-25 03:35:39,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705412975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:39,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:39,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:39,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424721574] [2023-08-25 03:35:39,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:39,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:39,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:39,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:39,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:39,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 447 [2023-08-25 03:35:39,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 171 transitions, 913 flow. Second operand has 10 states, 10 states have (on average 128.2) internal successors, (1282), 10 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:39,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:39,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 447 [2023-08-25 03:35:39,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:41,580 INFO L124 PetriNetUnfolderBase]: 1141/2496 cut-off events. [2023-08-25 03:35:41,581 INFO L125 PetriNetUnfolderBase]: For 1862/1862 co-relation queries the response was YES. [2023-08-25 03:35:41,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7579 conditions, 2496 events. 1141/2496 cut-off events. For 1862/1862 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 13815 event pairs, 516 based on Foata normal form. 0/2334 useless extension candidates. Maximal degree in co-relation 7566. Up to 1996 conditions per place. [2023-08-25 03:35:41,597 INFO L140 encePairwiseOnDemand]: 433/447 looper letters, 301 selfloop transitions, 64 changer transitions 4/373 dead transitions. [2023-08-25 03:35:41,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 373 transitions, 2559 flow [2023-08-25 03:35:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:35:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:35:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2141 transitions. [2023-08-25 03:35:41,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3193139448173005 [2023-08-25 03:35:41,605 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2141 transitions. [2023-08-25 03:35:41,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2141 transitions. [2023-08-25 03:35:41,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:41,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2141 transitions. [2023-08-25 03:35:41,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 142.73333333333332) internal successors, (2141), 15 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:41,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 447.0) internal successors, (7152), 16 states have internal predecessors, (7152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:41,623 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 447.0) internal successors, (7152), 16 states have internal predecessors, (7152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:41,623 INFO L175 Difference]: Start difference. First operand has 85 places, 171 transitions, 913 flow. Second operand 15 states and 2141 transitions. [2023-08-25 03:35:41,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 373 transitions, 2559 flow [2023-08-25 03:35:41,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 373 transitions, 2541 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 03:35:41,640 INFO L231 Difference]: Finished difference. Result has 104 places, 203 transitions, 1299 flow [2023-08-25 03:35:41,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1299, PETRI_PLACES=104, PETRI_TRANSITIONS=203} [2023-08-25 03:35:41,643 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 23 predicate places. [2023-08-25 03:35:41,643 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 203 transitions, 1299 flow [2023-08-25 03:35:41,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.2) internal successors, (1282), 10 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:41,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:41,644 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:41,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 03:35:41,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:41,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:41,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1371662751, now seen corresponding path program 1 times [2023-08-25 03:35:41,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:41,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620545376] [2023-08-25 03:35:41,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:41,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:42,347 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 03:35:42,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:42,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620545376] [2023-08-25 03:35:42,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620545376] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:42,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:42,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:42,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767335319] [2023-08-25 03:35:42,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:42,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:42,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:42,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:42,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:42,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 447 [2023-08-25 03:35:42,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 203 transitions, 1299 flow. Second operand has 10 states, 10 states have (on average 139.2) internal successors, (1392), 10 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:42,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:42,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 447 [2023-08-25 03:35:42,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:45,140 INFO L124 PetriNetUnfolderBase]: 1155/2533 cut-off events. [2023-08-25 03:35:45,140 INFO L125 PetriNetUnfolderBase]: For 2455/2457 co-relation queries the response was YES. [2023-08-25 03:35:45,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8333 conditions, 2533 events. 1155/2533 cut-off events. For 2455/2457 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14441 event pairs, 97 based on Foata normal form. 3/2374 useless extension candidates. Maximal degree in co-relation 8314. Up to 1189 conditions per place. [2023-08-25 03:35:45,163 INFO L140 encePairwiseOnDemand]: 417/447 looper letters, 267 selfloop transitions, 104 changer transitions 0/375 dead transitions. [2023-08-25 03:35:45,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 375 transitions, 2784 flow [2023-08-25 03:35:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-25 03:35:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-25 03:35:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1794 transitions. [2023-08-25 03:35:45,169 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3648566198901769 [2023-08-25 03:35:45,169 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1794 transitions. [2023-08-25 03:35:45,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1794 transitions. [2023-08-25 03:35:45,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:45,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1794 transitions. [2023-08-25 03:35:45,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 163.0909090909091) internal successors, (1794), 11 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:45,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 447.0) internal successors, (5364), 12 states have internal predecessors, (5364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:45,181 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 447.0) internal successors, (5364), 12 states have internal predecessors, (5364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:45,181 INFO L175 Difference]: Start difference. First operand has 104 places, 203 transitions, 1299 flow. Second operand 11 states and 1794 transitions. [2023-08-25 03:35:45,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 375 transitions, 2784 flow [2023-08-25 03:35:45,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 375 transitions, 2778 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-25 03:35:45,198 INFO L231 Difference]: Finished difference. Result has 119 places, 225 transitions, 1888 flow [2023-08-25 03:35:45,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1888, PETRI_PLACES=119, PETRI_TRANSITIONS=225} [2023-08-25 03:35:45,199 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 38 predicate places. [2023-08-25 03:35:45,199 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 225 transitions, 1888 flow [2023-08-25 03:35:45,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 139.2) internal successors, (1392), 10 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:45,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:45,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:45,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 03:35:45,200 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:45,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:45,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1361100741, now seen corresponding path program 2 times [2023-08-25 03:35:45,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:45,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624853683] [2023-08-25 03:35:45,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:45,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:45,883 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 03:35:45,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:45,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624853683] [2023-08-25 03:35:45,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624853683] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:45,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:45,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:45,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259810993] [2023-08-25 03:35:45,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:45,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:45,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:45,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:35:45,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 225 transitions, 1888 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:45,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:45,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:35:45,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:48,274 INFO L124 PetriNetUnfolderBase]: 1224/2674 cut-off events. [2023-08-25 03:35:48,275 INFO L125 PetriNetUnfolderBase]: For 5638/5638 co-relation queries the response was YES. [2023-08-25 03:35:48,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10253 conditions, 2674 events. 1224/2674 cut-off events. For 5638/5638 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15237 event pairs, 207 based on Foata normal form. 22/2530 useless extension candidates. Maximal degree in co-relation 10228. Up to 1165 conditions per place. [2023-08-25 03:35:48,295 INFO L140 encePairwiseOnDemand]: 422/447 looper letters, 427 selfloop transitions, 93 changer transitions 6/530 dead transitions. [2023-08-25 03:35:48,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 530 transitions, 4530 flow [2023-08-25 03:35:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-25 03:35:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-25 03:35:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2695 transitions. [2023-08-25 03:35:48,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33494904300273426 [2023-08-25 03:35:48,306 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2695 transitions. [2023-08-25 03:35:48,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2695 transitions. [2023-08-25 03:35:48,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:48,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2695 transitions. [2023-08-25 03:35:48,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 149.72222222222223) internal successors, (2695), 18 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:48,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 447.0) internal successors, (8493), 19 states have internal predecessors, (8493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:48,326 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 447.0) internal successors, (8493), 19 states have internal predecessors, (8493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:48,326 INFO L175 Difference]: Start difference. First operand has 119 places, 225 transitions, 1888 flow. Second operand 18 states and 2695 transitions. [2023-08-25 03:35:48,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 530 transitions, 4530 flow [2023-08-25 03:35:48,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 530 transitions, 4520 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 03:35:48,355 INFO L231 Difference]: Finished difference. Result has 140 places, 263 transitions, 2535 flow [2023-08-25 03:35:48,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=1878, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2535, PETRI_PLACES=140, PETRI_TRANSITIONS=263} [2023-08-25 03:35:48,356 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 59 predicate places. [2023-08-25 03:35:48,356 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 263 transitions, 2535 flow [2023-08-25 03:35:48,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:48,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:48,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:48,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 03:35:48,358 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:48,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash 79579771, now seen corresponding path program 3 times [2023-08-25 03:35:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:48,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933320167] [2023-08-25 03:35:48,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:48,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:49,052 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 03:35:49,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:49,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933320167] [2023-08-25 03:35:49,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933320167] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:49,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:49,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:49,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348436115] [2023-08-25 03:35:49,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:49,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:49,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:49,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:49,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:49,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:35:49,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 263 transitions, 2535 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:49,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:49,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:35:49,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:51,304 INFO L124 PetriNetUnfolderBase]: 1619/3535 cut-off events. [2023-08-25 03:35:51,305 INFO L125 PetriNetUnfolderBase]: For 11314/11316 co-relation queries the response was YES. [2023-08-25 03:35:51,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14885 conditions, 3535 events. 1619/3535 cut-off events. For 11314/11316 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 21836 event pairs, 318 based on Foata normal form. 20/3308 useless extension candidates. Maximal degree in co-relation 14855. Up to 1246 conditions per place. [2023-08-25 03:35:51,335 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 468 selfloop transitions, 153 changer transitions 6/631 dead transitions. [2023-08-25 03:35:51,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 631 transitions, 5963 flow [2023-08-25 03:35:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-25 03:35:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-25 03:35:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2631 transitions. [2023-08-25 03:35:51,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34622976707461506 [2023-08-25 03:35:51,343 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2631 transitions. [2023-08-25 03:35:51,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2631 transitions. [2023-08-25 03:35:51,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:51,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2631 transitions. [2023-08-25 03:35:51,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 154.76470588235293) internal successors, (2631), 17 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:51,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 447.0) internal successors, (8046), 18 states have internal predecessors, (8046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:51,360 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 447.0) internal successors, (8046), 18 states have internal predecessors, (8046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:51,360 INFO L175 Difference]: Start difference. First operand has 140 places, 263 transitions, 2535 flow. Second operand 17 states and 2631 transitions. [2023-08-25 03:35:51,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 631 transitions, 5963 flow [2023-08-25 03:35:51,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 631 transitions, 5950 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 03:35:51,409 INFO L231 Difference]: Finished difference. Result has 164 places, 320 transitions, 3881 flow [2023-08-25 03:35:51,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=2527, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3881, PETRI_PLACES=164, PETRI_TRANSITIONS=320} [2023-08-25 03:35:51,410 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 83 predicate places. [2023-08-25 03:35:51,410 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 320 transitions, 3881 flow [2023-08-25 03:35:51,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:51,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:51,411 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:51,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 03:35:51,411 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:51,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash -869727405, now seen corresponding path program 4 times [2023-08-25 03:35:51,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:51,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8102643] [2023-08-25 03:35:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:52,038 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 03:35:52,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:52,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8102643] [2023-08-25 03:35:52,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8102643] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:52,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:52,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:52,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337458881] [2023-08-25 03:35:52,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:52,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:52,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:52,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:52,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:52,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:35:52,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 320 transitions, 3881 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:52,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:52,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:35:52,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:54,125 INFO L124 PetriNetUnfolderBase]: 2229/4879 cut-off events. [2023-08-25 03:35:54,125 INFO L125 PetriNetUnfolderBase]: For 23542/23554 co-relation queries the response was YES. [2023-08-25 03:35:54,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22333 conditions, 4879 events. 2229/4879 cut-off events. For 23542/23554 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 33222 event pairs, 414 based on Foata normal form. 30/4536 useless extension candidates. Maximal degree in co-relation 22291. Up to 1604 conditions per place. [2023-08-25 03:35:54,160 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 457 selfloop transitions, 206 changer transitions 4/671 dead transitions. [2023-08-25 03:35:54,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 671 transitions, 7748 flow [2023-08-25 03:35:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-25 03:35:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-25 03:35:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1940 transitions. [2023-08-25 03:35:54,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3616703952274422 [2023-08-25 03:35:54,165 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1940 transitions. [2023-08-25 03:35:54,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1940 transitions. [2023-08-25 03:35:54,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:54,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1940 transitions. [2023-08-25 03:35:54,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 161.66666666666666) internal successors, (1940), 12 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:54,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 447.0) internal successors, (5811), 13 states have internal predecessors, (5811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:54,177 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 447.0) internal successors, (5811), 13 states have internal predecessors, (5811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:54,177 INFO L175 Difference]: Start difference. First operand has 164 places, 320 transitions, 3881 flow. Second operand 12 states and 1940 transitions. [2023-08-25 03:35:54,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 671 transitions, 7748 flow [2023-08-25 03:35:54,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 671 transitions, 7690 flow, removed 20 selfloop flow, removed 4 redundant places. [2023-08-25 03:35:54,406 INFO L231 Difference]: Finished difference. Result has 181 places, 394 transitions, 5824 flow [2023-08-25 03:35:54,406 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=3847, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5824, PETRI_PLACES=181, PETRI_TRANSITIONS=394} [2023-08-25 03:35:54,407 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 100 predicate places. [2023-08-25 03:35:54,407 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 394 transitions, 5824 flow [2023-08-25 03:35:54,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:54,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:54,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:54,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 03:35:54,408 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:54,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:54,409 INFO L85 PathProgramCache]: Analyzing trace with hash -740616625, now seen corresponding path program 5 times [2023-08-25 03:35:54,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:54,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076994798] [2023-08-25 03:35:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:54,989 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 03:35:54,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:54,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076994798] [2023-08-25 03:35:54,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076994798] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:54,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:54,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:54,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533891435] [2023-08-25 03:35:54,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:54,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:54,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:54,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:54,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:54,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:35:55,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 394 transitions, 5824 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:55,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:55,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:35:55,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:35:58,221 INFO L124 PetriNetUnfolderBase]: 2815/6142 cut-off events. [2023-08-25 03:35:58,221 INFO L125 PetriNetUnfolderBase]: For 44104/44124 co-relation queries the response was YES. [2023-08-25 03:35:58,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30955 conditions, 6142 events. 2815/6142 cut-off events. For 44104/44124 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 44258 event pairs, 497 based on Foata normal form. 42/5723 useless extension candidates. Maximal degree in co-relation 30904. Up to 1945 conditions per place. [2023-08-25 03:35:58,261 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 572 selfloop transitions, 253 changer transitions 6/835 dead transitions. [2023-08-25 03:35:58,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 835 transitions, 11357 flow [2023-08-25 03:35:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-25 03:35:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-25 03:35:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2476 transitions. [2023-08-25 03:35:58,267 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34619686800894856 [2023-08-25 03:35:58,267 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2476 transitions. [2023-08-25 03:35:58,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2476 transitions. [2023-08-25 03:35:58,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:35:58,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2476 transitions. [2023-08-25 03:35:58,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 154.75) internal successors, (2476), 16 states have internal predecessors, (2476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:58,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 447.0) internal successors, (7599), 17 states have internal predecessors, (7599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:58,281 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 447.0) internal successors, (7599), 17 states have internal predecessors, (7599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:58,281 INFO L175 Difference]: Start difference. First operand has 181 places, 394 transitions, 5824 flow. Second operand 16 states and 2476 transitions. [2023-08-25 03:35:58,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 835 transitions, 11357 flow [2023-08-25 03:35:58,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 835 transitions, 11297 flow, removed 30 selfloop flow, removed 0 redundant places. [2023-08-25 03:35:58,563 INFO L231 Difference]: Finished difference. Result has 206 places, 488 transitions, 8496 flow [2023-08-25 03:35:58,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=5774, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8496, PETRI_PLACES=206, PETRI_TRANSITIONS=488} [2023-08-25 03:35:58,566 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 125 predicate places. [2023-08-25 03:35:58,566 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 488 transitions, 8496 flow [2023-08-25 03:35:58,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:58,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:35:58,566 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:35:58,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 03:35:58,567 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:35:58,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:35:58,567 INFO L85 PathProgramCache]: Analyzing trace with hash -560006715, now seen corresponding path program 6 times [2023-08-25 03:35:58,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:35:58,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859754388] [2023-08-25 03:35:58,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:35:58,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:35:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:35:59,138 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 03:35:59,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:35:59,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859754388] [2023-08-25 03:35:59,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859754388] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:35:59,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:35:59,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:35:59,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471381314] [2023-08-25 03:35:59,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:35:59,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:35:59,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:35:59,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:35:59,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:35:59,141 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:35:59,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 488 transitions, 8496 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:35:59,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:35:59,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:35:59,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:02,816 INFO L124 PetriNetUnfolderBase]: 3476/7578 cut-off events. [2023-08-25 03:36:02,816 INFO L125 PetriNetUnfolderBase]: For 72438/72472 co-relation queries the response was YES. [2023-08-25 03:36:02,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40776 conditions, 7578 events. 3476/7578 cut-off events. For 72438/72472 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 57370 event pairs, 748 based on Foata normal form. 54/7043 useless extension candidates. Maximal degree in co-relation 40714. Up to 2333 conditions per place. [2023-08-25 03:36:02,871 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 556 selfloop transitions, 316 changer transitions 4/880 dead transitions. [2023-08-25 03:36:02,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 880 transitions, 13779 flow [2023-08-25 03:36:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:36:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:36:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2221 transitions. [2023-08-25 03:36:02,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35490572067753273 [2023-08-25 03:36:02,877 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2221 transitions. [2023-08-25 03:36:02,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2221 transitions. [2023-08-25 03:36:02,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:02,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2221 transitions. [2023-08-25 03:36:02,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 158.64285714285714) internal successors, (2221), 14 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:02,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:02,888 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:02,888 INFO L175 Difference]: Start difference. First operand has 206 places, 488 transitions, 8496 flow. Second operand 14 states and 2221 transitions. [2023-08-25 03:36:02,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 880 transitions, 13779 flow [2023-08-25 03:36:03,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 880 transitions, 13743 flow, removed 11 selfloop flow, removed 3 redundant places. [2023-08-25 03:36:03,395 INFO L231 Difference]: Finished difference. Result has 228 places, 570 transitions, 11485 flow [2023-08-25 03:36:03,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=8471, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11485, PETRI_PLACES=228, PETRI_TRANSITIONS=570} [2023-08-25 03:36:03,396 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 147 predicate places. [2023-08-25 03:36:03,396 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 570 transitions, 11485 flow [2023-08-25 03:36:03,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:03,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:03,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:03,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 03:36:03,397 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:03,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:03,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1488484035, now seen corresponding path program 7 times [2023-08-25 03:36:03,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:03,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915707751] [2023-08-25 03:36:03,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:03,916 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 03:36:03,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:03,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915707751] [2023-08-25 03:36:03,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915707751] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:03,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:03,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:03,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673078588] [2023-08-25 03:36:03,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:03,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:03,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:03,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:03,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:03,919 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:03,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 570 transitions, 11485 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:03,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:03,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:03,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:08,283 INFO L124 PetriNetUnfolderBase]: 3921/8561 cut-off events. [2023-08-25 03:36:08,284 INFO L125 PetriNetUnfolderBase]: For 106735/106773 co-relation queries the response was YES. [2023-08-25 03:36:08,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49255 conditions, 8561 events. 3921/8561 cut-off events. For 106735/106773 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 67033 event pairs, 641 based on Foata normal form. 58/7949 useless extension candidates. Maximal degree in co-relation 49182. Up to 2540 conditions per place. [2023-08-25 03:36:08,453 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 611 selfloop transitions, 365 changer transitions 6/986 dead transitions. [2023-08-25 03:36:08,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 986 transitions, 17299 flow [2023-08-25 03:36:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-25 03:36:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-25 03:36:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2630 transitions. [2023-08-25 03:36:08,461 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34609817081194894 [2023-08-25 03:36:08,462 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2630 transitions. [2023-08-25 03:36:08,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2630 transitions. [2023-08-25 03:36:08,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:08,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2630 transitions. [2023-08-25 03:36:08,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 154.7058823529412) internal successors, (2630), 17 states have internal predecessors, (2630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:08,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 447.0) internal successors, (8046), 18 states have internal predecessors, (8046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:08,477 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 447.0) internal successors, (8046), 18 states have internal predecessors, (8046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:08,477 INFO L175 Difference]: Start difference. First operand has 228 places, 570 transitions, 11485 flow. Second operand 17 states and 2630 transitions. [2023-08-25 03:36:08,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 986 transitions, 17299 flow [2023-08-25 03:36:09,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 986 transitions, 17232 flow, removed 24 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:09,139 INFO L231 Difference]: Finished difference. Result has 254 places, 639 transitions, 14509 flow [2023-08-25 03:36:09,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=11430, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14509, PETRI_PLACES=254, PETRI_TRANSITIONS=639} [2023-08-25 03:36:09,140 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 173 predicate places. [2023-08-25 03:36:09,140 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 639 transitions, 14509 flow [2023-08-25 03:36:09,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:09,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:09,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:09,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 03:36:09,141 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:09,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:09,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1012230573, now seen corresponding path program 8 times [2023-08-25 03:36:09,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:09,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206228112] [2023-08-25 03:36:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:09,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:09,678 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 03:36:09,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:09,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206228112] [2023-08-25 03:36:09,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206228112] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:09,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:09,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:09,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976522616] [2023-08-25 03:36:09,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:09,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:09,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:09,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:09,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:09,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:09,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 639 transitions, 14509 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:09,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:09,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:09,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:14,582 INFO L124 PetriNetUnfolderBase]: 4691/10235 cut-off events. [2023-08-25 03:36:14,582 INFO L125 PetriNetUnfolderBase]: For 164817/164865 co-relation queries the response was YES. [2023-08-25 03:36:14,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62933 conditions, 10235 events. 4691/10235 cut-off events. For 164817/164865 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 83130 event pairs, 908 based on Foata normal form. 66/9497 useless extension candidates. Maximal degree in co-relation 62849. Up to 3514 conditions per place. [2023-08-25 03:36:14,654 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 638 selfloop transitions, 413 changer transitions 4/1059 dead transitions. [2023-08-25 03:36:14,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 1059 transitions, 21492 flow [2023-08-25 03:36:14,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:36:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:36:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2200 transitions. [2023-08-25 03:36:14,658 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35155001597954616 [2023-08-25 03:36:14,658 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2200 transitions. [2023-08-25 03:36:14,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2200 transitions. [2023-08-25 03:36:14,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:14,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2200 transitions. [2023-08-25 03:36:14,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 157.14285714285714) internal successors, (2200), 14 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:14,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:14,667 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:14,667 INFO L175 Difference]: Start difference. First operand has 254 places, 639 transitions, 14509 flow. Second operand 14 states and 2200 transitions. [2023-08-25 03:36:14,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 1059 transitions, 21492 flow [2023-08-25 03:36:15,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 1059 transitions, 21412 flow, removed 29 selfloop flow, removed 5 redundant places. [2023-08-25 03:36:15,842 INFO L231 Difference]: Finished difference. Result has 274 places, 737 transitions, 18678 flow [2023-08-25 03:36:15,843 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=14443, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18678, PETRI_PLACES=274, PETRI_TRANSITIONS=737} [2023-08-25 03:36:15,843 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 193 predicate places. [2023-08-25 03:36:15,843 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 737 transitions, 18678 flow [2023-08-25 03:36:15,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:15,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:15,844 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:15,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-25 03:36:15,845 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:15,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1107755055, now seen corresponding path program 9 times [2023-08-25 03:36:15,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:15,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237639669] [2023-08-25 03:36:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:15,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:16,328 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 03:36:16,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:16,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237639669] [2023-08-25 03:36:16,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237639669] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:16,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:16,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:16,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484947848] [2023-08-25 03:36:16,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:16,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:16,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:16,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:16,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:16,331 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:16,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 737 transitions, 18678 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:16,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:16,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:16,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:21,981 INFO L124 PetriNetUnfolderBase]: 5065/11033 cut-off events. [2023-08-25 03:36:21,982 INFO L125 PetriNetUnfolderBase]: For 217200/217270 co-relation queries the response was YES. [2023-08-25 03:36:22,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71701 conditions, 11033 events. 5065/11033 cut-off events. For 217200/217270 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 90950 event pairs, 803 based on Foata normal form. 82/10233 useless extension candidates. Maximal degree in co-relation 71606. Up to 3545 conditions per place. [2023-08-25 03:36:22,076 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 639 selfloop transitions, 486 changer transitions 6/1135 dead transitions. [2023-08-25 03:36:22,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 1135 transitions, 24682 flow [2023-08-25 03:36:22,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-25 03:36:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-25 03:36:22,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2781 transitions. [2023-08-25 03:36:22,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34563758389261745 [2023-08-25 03:36:22,079 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2781 transitions. [2023-08-25 03:36:22,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2781 transitions. [2023-08-25 03:36:22,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:22,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2781 transitions. [2023-08-25 03:36:22,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 154.5) internal successors, (2781), 18 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:22,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 447.0) internal successors, (8493), 19 states have internal predecessors, (8493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:22,090 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 447.0) internal successors, (8493), 19 states have internal predecessors, (8493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:22,090 INFO L175 Difference]: Start difference. First operand has 274 places, 737 transitions, 18678 flow. Second operand 18 states and 2781 transitions. [2023-08-25 03:36:22,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 1135 transitions, 24682 flow [2023-08-25 03:36:24,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 1135 transitions, 24584 flow, removed 49 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:24,143 INFO L231 Difference]: Finished difference. Result has 303 places, 794 transitions, 22198 flow [2023-08-25 03:36:24,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=18602, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=737, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=430, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=22198, PETRI_PLACES=303, PETRI_TRANSITIONS=794} [2023-08-25 03:36:24,144 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 222 predicate places. [2023-08-25 03:36:24,144 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 794 transitions, 22198 flow [2023-08-25 03:36:24,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:24,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:24,145 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:24,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-25 03:36:24,145 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:24,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:24,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1575505595, now seen corresponding path program 10 times [2023-08-25 03:36:24,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:24,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076110977] [2023-08-25 03:36:24,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:24,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:24,666 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 03:36:24,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:24,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076110977] [2023-08-25 03:36:24,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076110977] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:24,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:24,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439934112] [2023-08-25 03:36:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:24,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:24,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:24,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:24,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:24,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:24,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 794 transitions, 22198 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:24,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:24,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:24,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:30,929 INFO L124 PetriNetUnfolderBase]: 5763/12583 cut-off events. [2023-08-25 03:36:30,929 INFO L125 PetriNetUnfolderBase]: For 301583/301652 co-relation queries the response was YES. [2023-08-25 03:36:30,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86070 conditions, 12583 events. 5763/12583 cut-off events. For 301583/301652 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 107145 event pairs, 1123 based on Foata normal form. 80/11652 useless extension candidates. Maximal degree in co-relation 85962. Up to 4722 conditions per place. [2023-08-25 03:36:31,031 INFO L140 encePairwiseOnDemand]: 415/447 looper letters, 713 selfloop transitions, 486 changer transitions 4/1207 dead transitions. [2023-08-25 03:36:31,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 1207 transitions, 30280 flow [2023-08-25 03:36:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:36:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:36:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2178 transitions. [2023-08-25 03:36:31,034 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3480345158197507 [2023-08-25 03:36:31,034 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2178 transitions. [2023-08-25 03:36:31,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2178 transitions. [2023-08-25 03:36:31,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:31,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2178 transitions. [2023-08-25 03:36:31,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 155.57142857142858) internal successors, (2178), 14 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:31,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:31,041 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:31,042 INFO L175 Difference]: Start difference. First operand has 303 places, 794 transitions, 22198 flow. Second operand 14 states and 2178 transitions. [2023-08-25 03:36:31,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 1207 transitions, 30280 flow [2023-08-25 03:36:33,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 1207 transitions, 30107 flow, removed 52 selfloop flow, removed 4 redundant places. [2023-08-25 03:36:33,581 INFO L231 Difference]: Finished difference. Result has 324 places, 887 transitions, 27006 flow [2023-08-25 03:36:33,581 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=22050, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=27006, PETRI_PLACES=324, PETRI_TRANSITIONS=887} [2023-08-25 03:36:33,581 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 243 predicate places. [2023-08-25 03:36:33,582 INFO L495 AbstractCegarLoop]: Abstraction has has 324 places, 887 transitions, 27006 flow [2023-08-25 03:36:33,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:33,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:33,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:33,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-25 03:36:33,582 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:33,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:33,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1402386963, now seen corresponding path program 11 times [2023-08-25 03:36:33,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:33,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136363729] [2023-08-25 03:36:33,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:33,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:34,054 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 03:36:34,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:34,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136363729] [2023-08-25 03:36:34,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136363729] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:34,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:34,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:34,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196053674] [2023-08-25 03:36:34,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:34,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:34,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:34,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:34,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:34,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:34,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 887 transitions, 27006 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:34,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:34,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:34,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:41,615 INFO L124 PetriNetUnfolderBase]: 6158/13430 cut-off events. [2023-08-25 03:36:41,615 INFO L125 PetriNetUnfolderBase]: For 377014/377105 co-relation queries the response was YES. [2023-08-25 03:36:41,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95993 conditions, 13430 events. 6158/13430 cut-off events. For 377014/377105 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 115896 event pairs, 973 based on Foata normal form. 98/12436 useless extension candidates. Maximal degree in co-relation 95875. Up to 5026 conditions per place. [2023-08-25 03:36:41,737 INFO L140 encePairwiseOnDemand]: 417/447 looper letters, 590 selfloop transitions, 609 changer transitions 4/1207 dead transitions. [2023-08-25 03:36:41,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 1207 transitions, 33224 flow [2023-08-25 03:36:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-25 03:36:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-25 03:36:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2031 transitions. [2023-08-25 03:36:41,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3495095508518327 [2023-08-25 03:36:41,739 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2031 transitions. [2023-08-25 03:36:41,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2031 transitions. [2023-08-25 03:36:41,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:41,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2031 transitions. [2023-08-25 03:36:41,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.23076923076923) internal successors, (2031), 13 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:41,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 447.0) internal successors, (6258), 14 states have internal predecessors, (6258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:41,745 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 447.0) internal successors, (6258), 14 states have internal predecessors, (6258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:41,745 INFO L175 Difference]: Start difference. First operand has 324 places, 887 transitions, 27006 flow. Second operand 13 states and 2031 transitions. [2023-08-25 03:36:41,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 1207 transitions, 33224 flow [2023-08-25 03:36:45,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 1207 transitions, 33110 flow, removed 57 selfloop flow, removed 0 redundant places. [2023-08-25 03:36:45,062 INFO L231 Difference]: Finished difference. Result has 347 places, 939 transitions, 31245 flow [2023-08-25 03:36:45,062 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=26914, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=887, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=557, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=31245, PETRI_PLACES=347, PETRI_TRANSITIONS=939} [2023-08-25 03:36:45,063 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 266 predicate places. [2023-08-25 03:36:45,063 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 939 transitions, 31245 flow [2023-08-25 03:36:45,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:45,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:45,063 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:45,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-25 03:36:45,063 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:45,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1428638313, now seen corresponding path program 12 times [2023-08-25 03:36:45,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:45,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761105055] [2023-08-25 03:36:45,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:45,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:45,525 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 03:36:45,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761105055] [2023-08-25 03:36:45,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761105055] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:45,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:45,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:45,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862257721] [2023-08-25 03:36:45,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:45,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:45,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:45,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:45,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:45,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:45,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 939 transitions, 31245 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:45,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:45,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:45,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:36:53,650 INFO L124 PetriNetUnfolderBase]: 6595/14380 cut-off events. [2023-08-25 03:36:53,650 INFO L125 PetriNetUnfolderBase]: For 489915/490008 co-relation queries the response was YES. [2023-08-25 03:36:53,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108391 conditions, 14380 events. 6595/14380 cut-off events. For 489915/490008 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 125673 event pairs, 1027 based on Foata normal form. 106/13312 useless extension candidates. Maximal degree in co-relation 108262. Up to 5107 conditions per place. [2023-08-25 03:36:53,796 INFO L140 encePairwiseOnDemand]: 417/447 looper letters, 618 selfloop transitions, 635 changer transitions 4/1261 dead transitions. [2023-08-25 03:36:53,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 1261 transitions, 38238 flow [2023-08-25 03:36:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:36:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:36:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2137 transitions. [2023-08-25 03:36:53,799 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34148290188558644 [2023-08-25 03:36:53,799 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2137 transitions. [2023-08-25 03:36:53,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2137 transitions. [2023-08-25 03:36:53,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:36:53,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2137 transitions. [2023-08-25 03:36:53,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 152.64285714285714) internal successors, (2137), 14 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:53,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:53,806 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:53,806 INFO L175 Difference]: Start difference. First operand has 347 places, 939 transitions, 31245 flow. Second operand 14 states and 2137 transitions. [2023-08-25 03:36:53,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 1261 transitions, 38238 flow [2023-08-25 03:36:59,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 1261 transitions, 38181 flow, removed 27 selfloop flow, removed 1 redundant places. [2023-08-25 03:36:59,091 INFO L231 Difference]: Finished difference. Result has 371 places, 1000 transitions, 36172 flow [2023-08-25 03:36:59,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=31188, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=575, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=36172, PETRI_PLACES=371, PETRI_TRANSITIONS=1000} [2023-08-25 03:36:59,092 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 290 predicate places. [2023-08-25 03:36:59,092 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 1000 transitions, 36172 flow [2023-08-25 03:36:59,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:59,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:36:59,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:36:59,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-25 03:36:59,093 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:36:59,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:36:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1392959553, now seen corresponding path program 13 times [2023-08-25 03:36:59,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:36:59,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174294808] [2023-08-25 03:36:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:36:59,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:36:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:36:59,650 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 03:36:59,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:36:59,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174294808] [2023-08-25 03:36:59,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174294808] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:36:59,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:36:59,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:36:59,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954588738] [2023-08-25 03:36:59,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:36:59,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:36:59,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:36:59,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:36:59,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:36:59,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:36:59,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 1000 transitions, 36172 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:36:59,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:36:59,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:36:59,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:08,790 INFO L124 PetriNetUnfolderBase]: 6969/15207 cut-off events. [2023-08-25 03:37:08,790 INFO L125 PetriNetUnfolderBase]: For 608287/608386 co-relation queries the response was YES. [2023-08-25 03:37:08,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119570 conditions, 15207 events. 6969/15207 cut-off events. For 608287/608386 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 134611 event pairs, 1210 based on Foata normal form. 112/14066 useless extension candidates. Maximal degree in co-relation 119429. Up to 5362 conditions per place. [2023-08-25 03:37:08,983 INFO L140 encePairwiseOnDemand]: 416/447 looper letters, 664 selfloop transitions, 676 changer transitions 4/1348 dead transitions. [2023-08-25 03:37:08,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 1348 transitions, 43290 flow [2023-08-25 03:37:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:37:08,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:37:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2181 transitions. [2023-08-25 03:37:08,987 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34851390220517736 [2023-08-25 03:37:08,987 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2181 transitions. [2023-08-25 03:37:08,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2181 transitions. [2023-08-25 03:37:08,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:08,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2181 transitions. [2023-08-25 03:37:08,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 155.78571428571428) internal successors, (2181), 14 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:08,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:08,995 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:08,995 INFO L175 Difference]: Start difference. First operand has 371 places, 1000 transitions, 36172 flow. Second operand 14 states and 2181 transitions. [2023-08-25 03:37:08,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 1348 transitions, 43290 flow [2023-08-25 03:37:15,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 1348 transitions, 43125 flow, removed 79 selfloop flow, removed 1 redundant places. [2023-08-25 03:37:15,560 INFO L231 Difference]: Finished difference. Result has 394 places, 1054 transitions, 40939 flow [2023-08-25 03:37:15,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=36033, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1000, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=622, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=40939, PETRI_PLACES=394, PETRI_TRANSITIONS=1054} [2023-08-25 03:37:15,562 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 313 predicate places. [2023-08-25 03:37:15,562 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 1054 transitions, 40939 flow [2023-08-25 03:37:15,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:15,562 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:15,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:37:15,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-25 03:37:15,562 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:37:15,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:15,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1047909333, now seen corresponding path program 14 times [2023-08-25 03:37:15,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:15,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284075896] [2023-08-25 03:37:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:15,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:16,067 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 03:37:16,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284075896] [2023-08-25 03:37:16,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284075896] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:16,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:16,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:37:16,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231093216] [2023-08-25 03:37:16,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:16,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:37:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:16,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:37:16,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:37:16,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 447 [2023-08-25 03:37:16,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1054 transitions, 40939 flow. Second operand has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:16,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:16,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 447 [2023-08-25 03:37:16,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:25,503 INFO L124 PetriNetUnfolderBase]: 7351/16048 cut-off events. [2023-08-25 03:37:25,503 INFO L125 PetriNetUnfolderBase]: For 747415/747522 co-relation queries the response was YES. [2023-08-25 03:37:25,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131719 conditions, 16048 events. 7351/16048 cut-off events. For 747415/747522 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 143543 event pairs, 1178 based on Foata normal form. 120/14836 useless extension candidates. Maximal degree in co-relation 131568. Up to 5319 conditions per place. [2023-08-25 03:37:25,701 INFO L140 encePairwiseOnDemand]: 416/447 looper letters, 686 selfloop transitions, 701 changer transitions 4/1395 dead transitions. [2023-08-25 03:37:25,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 1395 transitions, 48630 flow [2023-08-25 03:37:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 03:37:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 03:37:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2159 transitions. [2023-08-25 03:37:25,704 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3449984020453819 [2023-08-25 03:37:25,704 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2159 transitions. [2023-08-25 03:37:25,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2159 transitions. [2023-08-25 03:37:25,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:25,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2159 transitions. [2023-08-25 03:37:25,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 154.21428571428572) internal successors, (2159), 14 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:25,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:25,712 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 447.0) internal successors, (6705), 15 states have internal predecessors, (6705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:25,712 INFO L175 Difference]: Start difference. First operand has 394 places, 1054 transitions, 40939 flow. Second operand 14 states and 2159 transitions. [2023-08-25 03:37:25,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 1395 transitions, 48630 flow [2023-08-25 03:37:35,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 1395 transitions, 48507 flow, removed 35 selfloop flow, removed 2 redundant places. [2023-08-25 03:37:35,532 INFO L231 Difference]: Finished difference. Result has 416 places, 1108 transitions, 46151 flow [2023-08-25 03:37:35,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=40828, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=647, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=46151, PETRI_PLACES=416, PETRI_TRANSITIONS=1108} [2023-08-25 03:37:35,533 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 335 predicate places. [2023-08-25 03:37:35,533 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 1108 transitions, 46151 flow [2023-08-25 03:37:35,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.2) internal successors, (1302), 10 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:35,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:35,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:37:35,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-25 03:37:35,534 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:37:35,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:35,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1078311815, now seen corresponding path program 1 times [2023-08-25 03:37:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:35,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027933446] [2023-08-25 03:37:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:37:35,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:35,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027933446] [2023-08-25 03:37:35,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027933446] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:35,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:35,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:37:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529945386] [2023-08-25 03:37:35,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:35,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:37:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:35,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:37:35,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:37:35,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 447 [2023-08-25 03:37:35,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 1108 transitions, 46151 flow. Second operand has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:35,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:35,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 447 [2023-08-25 03:37:35,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:37:44,817 INFO L124 PetriNetUnfolderBase]: 7736/17193 cut-off events. [2023-08-25 03:37:44,818 INFO L125 PetriNetUnfolderBase]: For 919118/919158 co-relation queries the response was YES. [2023-08-25 03:37:44,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143465 conditions, 17193 events. 7736/17193 cut-off events. For 919118/919158 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 158255 event pairs, 3421 based on Foata normal form. 0/15825 useless extension candidates. Maximal degree in co-relation 143304. Up to 15057 conditions per place. [2023-08-25 03:37:45,071 INFO L140 encePairwiseOnDemand]: 433/447 looper letters, 1207 selfloop transitions, 170 changer transitions 0/1383 dead transitions. [2023-08-25 03:37:45,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 1383 transitions, 58921 flow [2023-08-25 03:37:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:37:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:37:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 986 transitions. [2023-08-25 03:37:45,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36763609246830725 [2023-08-25 03:37:45,073 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 986 transitions. [2023-08-25 03:37:45,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 986 transitions. [2023-08-25 03:37:45,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:37:45,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 986 transitions. [2023-08-25 03:37:45,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 164.33333333333334) internal successors, (986), 6 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:45,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:45,075 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:45,075 INFO L175 Difference]: Start difference. First operand has 416 places, 1108 transitions, 46151 flow. Second operand 6 states and 986 transitions. [2023-08-25 03:37:45,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 1383 transitions, 58921 flow [2023-08-25 03:37:54,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1383 transitions, 58718 flow, removed 91 selfloop flow, removed 1 redundant places. [2023-08-25 03:37:54,402 INFO L231 Difference]: Finished difference. Result has 424 places, 1247 transitions, 50164 flow [2023-08-25 03:37:54,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=46020, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=50164, PETRI_PLACES=424, PETRI_TRANSITIONS=1247} [2023-08-25 03:37:54,404 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 343 predicate places. [2023-08-25 03:37:54,404 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 1247 transitions, 50164 flow [2023-08-25 03:37:54,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:54,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:37:54,404 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 03:37:54,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-25 03:37:54,404 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:37:54,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:37:54,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1718345549, now seen corresponding path program 1 times [2023-08-25 03:37:54,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:37:54,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941078301] [2023-08-25 03:37:54,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:37:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:37:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:37:54,668 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 03:37:54,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:37:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941078301] [2023-08-25 03:37:54,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941078301] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:37:54,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:37:54,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:37:54,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18091273] [2023-08-25 03:37:54,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:37:54,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:37:54,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:37:54,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:37:54,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:37:54,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 447 [2023-08-25 03:37:54,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1247 transitions, 50164 flow. Second operand has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:37:54,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:37:54,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 447 [2023-08-25 03:37:54,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:38:08,185 INFO L124 PetriNetUnfolderBase]: 9499/21645 cut-off events. [2023-08-25 03:38:08,185 INFO L125 PetriNetUnfolderBase]: For 1125890/1125930 co-relation queries the response was YES. [2023-08-25 03:38:08,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185261 conditions, 21645 events. 9499/21645 cut-off events. For 1125890/1125930 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 214025 event pairs, 1287 based on Foata normal form. 0/20413 useless extension candidates. Maximal degree in co-relation 185095. Up to 12831 conditions per place. [2023-08-25 03:38:08,572 INFO L140 encePairwiseOnDemand]: 425/447 looper letters, 1594 selfloop transitions, 746 changer transitions 8/2354 dead transitions. [2023-08-25 03:38:08,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 2354 transitions, 101577 flow [2023-08-25 03:38:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:38:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:38:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1077 transitions. [2023-08-25 03:38:08,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4015659955257271 [2023-08-25 03:38:08,574 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1077 transitions. [2023-08-25 03:38:08,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1077 transitions. [2023-08-25 03:38:08,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:38:08,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1077 transitions. [2023-08-25 03:38:08,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:08,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:08,576 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 447.0) internal successors, (3129), 7 states have internal predecessors, (3129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:08,576 INFO L175 Difference]: Start difference. First operand has 424 places, 1247 transitions, 50164 flow. Second operand 6 states and 1077 transitions. [2023-08-25 03:38:08,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 2354 transitions, 101577 flow [2023-08-25 03:38:25,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 2354 transitions, 101105 flow, removed 236 selfloop flow, removed 0 redundant places. [2023-08-25 03:38:25,808 INFO L231 Difference]: Finished difference. Result has 434 places, 1815 transitions, 80752 flow [2023-08-25 03:38:25,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=49692, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=939, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=80752, PETRI_PLACES=434, PETRI_TRANSITIONS=1815} [2023-08-25 03:38:25,809 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 353 predicate places. [2023-08-25 03:38:25,809 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 1815 transitions, 80752 flow [2023-08-25 03:38:25,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:25,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:38:25,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:38:25,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-25 03:38:25,810 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:38:25,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:38:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash -576653717, now seen corresponding path program 1 times [2023-08-25 03:38:25,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:38:25,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520300602] [2023-08-25 03:38:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:38:25,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:38:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:38:26,567 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 03:38:26,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:38:26,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520300602] [2023-08-25 03:38:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520300602] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:38:26,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:38:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-25 03:38:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398413165] [2023-08-25 03:38:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:38:26,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-25 03:38:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:38:26,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-25 03:38:26,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-25 03:38:26,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 447 [2023-08-25 03:38:26,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 1815 transitions, 80752 flow. Second operand has 10 states, 10 states have (on average 128.8) internal successors, (1288), 10 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:26,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:38:26,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 447 [2023-08-25 03:38:26,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:38:44,072 INFO L124 PetriNetUnfolderBase]: 9727/21792 cut-off events. [2023-08-25 03:38:44,073 INFO L125 PetriNetUnfolderBase]: For 1142241/1142275 co-relation queries the response was YES. [2023-08-25 03:38:44,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201887 conditions, 21792 events. 9727/21792 cut-off events. For 1142241/1142275 co-relation queries the response was YES. Maximal size of possible extension queue 733. Compared 210038 event pairs, 2674 based on Foata normal form. 34/21192 useless extension candidates. Maximal degree in co-relation 201716. Up to 16330 conditions per place. [2023-08-25 03:38:44,452 INFO L140 encePairwiseOnDemand]: 433/447 looper letters, 1623 selfloop transitions, 488 changer transitions 4/2119 dead transitions. [2023-08-25 03:38:44,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 2119 transitions, 93615 flow [2023-08-25 03:38:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:38:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:38:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2134 transitions. [2023-08-25 03:38:44,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31826994780014917 [2023-08-25 03:38:44,455 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2134 transitions. [2023-08-25 03:38:44,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2134 transitions. [2023-08-25 03:38:44,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:38:44,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2134 transitions. [2023-08-25 03:38:44,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 142.26666666666668) internal successors, (2134), 15 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:44,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 447.0) internal successors, (7152), 16 states have internal predecessors, (7152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:44,461 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 447.0) internal successors, (7152), 16 states have internal predecessors, (7152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:38:44,461 INFO L175 Difference]: Start difference. First operand has 434 places, 1815 transitions, 80752 flow. Second operand 15 states and 2134 transitions. [2023-08-25 03:38:44,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 2119 transitions, 93615 flow [2023-08-25 03:39:02,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 2119 transitions, 92823 flow, removed 396 selfloop flow, removed 0 redundant places. [2023-08-25 03:39:02,601 INFO L231 Difference]: Finished difference. Result has 452 places, 1905 transitions, 84945 flow [2023-08-25 03:39:02,602 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=79984, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1815, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=404, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=84945, PETRI_PLACES=452, PETRI_TRANSITIONS=1905} [2023-08-25 03:39:02,603 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 371 predicate places. [2023-08-25 03:39:02,603 INFO L495 AbstractCegarLoop]: Abstraction has has 452 places, 1905 transitions, 84945 flow [2023-08-25 03:39:02,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.8) internal successors, (1288), 10 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:39:02,603 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:39:02,603 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:39:02,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-25 03:39:02,603 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:39:02,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:39:02,604 INFO L85 PathProgramCache]: Analyzing trace with hash 268536179, now seen corresponding path program 1 times [2023-08-25 03:39:02,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:39:02,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804211492] [2023-08-25 03:39:02,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:39:02,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:39:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:39:03,470 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 03:39:03,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:39:03,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804211492] [2023-08-25 03:39:03,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804211492] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:39:03,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:39:03,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 03:39:03,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701613893] [2023-08-25 03:39:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:39:03,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 03:39:03,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:39:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 03:39:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-08-25 03:39:03,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 447 [2023-08-25 03:39:03,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 1905 transitions, 84945 flow. Second operand has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:39:03,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:39:03,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 447 [2023-08-25 03:39:03,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:39:30,163 INFO L124 PetriNetUnfolderBase]: 14925/32654 cut-off events. [2023-08-25 03:39:30,163 INFO L125 PetriNetUnfolderBase]: For 1819836/1819870 co-relation queries the response was YES. [2023-08-25 03:39:30,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309608 conditions, 32654 events. 14925/32654 cut-off events. For 1819836/1819870 co-relation queries the response was YES. Maximal size of possible extension queue 969. Compared 329193 event pairs, 4152 based on Foata normal form. 34/31858 useless extension candidates. Maximal degree in co-relation 309432. Up to 16814 conditions per place. [2023-08-25 03:39:31,226 INFO L140 encePairwiseOnDemand]: 433/447 looper letters, 2632 selfloop transitions, 479 changer transitions 0/3115 dead transitions. [2023-08-25 03:39:31,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 3115 transitions, 140321 flow [2023-08-25 03:39:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 03:39:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 03:39:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1905 transitions. [2023-08-25 03:39:31,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2841163310961969 [2023-08-25 03:39:31,229 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1905 transitions. [2023-08-25 03:39:31,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1905 transitions. [2023-08-25 03:39:31,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:39:31,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1905 transitions. [2023-08-25 03:39:31,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 127.0) internal successors, (1905), 15 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:39:31,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 447.0) internal successors, (7152), 16 states have internal predecessors, (7152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:39:31,236 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 447.0) internal successors, (7152), 16 states have internal predecessors, (7152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:39:31,236 INFO L175 Difference]: Start difference. First operand has 452 places, 1905 transitions, 84945 flow. Second operand 15 states and 1905 transitions. [2023-08-25 03:39:31,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 3115 transitions, 140321 flow [2023-08-25 03:40:14,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 3115 transitions, 140220 flow, removed 22 selfloop flow, removed 3 redundant places. [2023-08-25 03:40:14,400 INFO L231 Difference]: Finished difference. Result has 473 places, 2226 transitions, 103393 flow [2023-08-25 03:40:14,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=84868, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=103393, PETRI_PLACES=473, PETRI_TRANSITIONS=2226} [2023-08-25 03:40:14,403 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 392 predicate places. [2023-08-25 03:40:14,403 INFO L495 AbstractCegarLoop]: Abstraction has has 473 places, 2226 transitions, 103393 flow [2023-08-25 03:40:14,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:40:14,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:40:14,403 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:40:14,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-25 03:40:14,403 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:40:14,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:40:14,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1473536571, now seen corresponding path program 2 times [2023-08-25 03:40:14,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:40:14,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753004843] [2023-08-25 03:40:14,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:40:14,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:40:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:40:15,732 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 03:40:15,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:40:15,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753004843] [2023-08-25 03:40:15,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753004843] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:40:15,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:40:15,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 03:40:15,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642113625] [2023-08-25 03:40:15,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:40:15,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 03:40:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:40:15,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 03:40:15,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-25 03:40:15,735 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 447 [2023-08-25 03:40:15,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 2226 transitions, 103393 flow. Second operand has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:40:15,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:40:15,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 447 [2023-08-25 03:40:15,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:40:45,846 INFO L124 PetriNetUnfolderBase]: 14987/32713 cut-off events. [2023-08-25 03:40:45,846 INFO L125 PetriNetUnfolderBase]: For 1896374/1896414 co-relation queries the response was YES. [2023-08-25 03:40:46,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320371 conditions, 32713 events. 14987/32713 cut-off events. For 1896374/1896414 co-relation queries the response was YES. Maximal size of possible extension queue 971. Compared 327578 event pairs, 3599 based on Foata normal form. 37/31921 useless extension candidates. Maximal degree in co-relation 320184. Up to 20767 conditions per place. [2023-08-25 03:40:46,505 INFO L140 encePairwiseOnDemand]: 430/447 looper letters, 1618 selfloop transitions, 843 changer transitions 0/2465 dead transitions. [2023-08-25 03:40:46,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 2465 transitions, 114591 flow [2023-08-25 03:40:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 03:40:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 03:40:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2359 transitions. [2023-08-25 03:40:46,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.277758153773696 [2023-08-25 03:40:46,507 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2359 transitions. [2023-08-25 03:40:46,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2359 transitions. [2023-08-25 03:40:46,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:40:46,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2359 transitions. [2023-08-25 03:40:46,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 124.15789473684211) internal successors, (2359), 19 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:40:46,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 447.0) internal successors, (8940), 20 states have internal predecessors, (8940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:40:46,513 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 447.0) internal successors, (8940), 20 states have internal predecessors, (8940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:40:46,514 INFO L175 Difference]: Start difference. First operand has 473 places, 2226 transitions, 103393 flow. Second operand 19 states and 2359 transitions. [2023-08-25 03:40:46,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 2465 transitions, 114591 flow [2023-08-25 03:41:27,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 2465 transitions, 114569 flow, removed 11 selfloop flow, removed 0 redundant places. [2023-08-25 03:41:28,026 INFO L231 Difference]: Finished difference. Result has 500 places, 2295 transitions, 109209 flow [2023-08-25 03:41:28,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=103371, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=778, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=109209, PETRI_PLACES=500, PETRI_TRANSITIONS=2295} [2023-08-25 03:41:28,028 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 419 predicate places. [2023-08-25 03:41:28,028 INFO L495 AbstractCegarLoop]: Abstraction has has 500 places, 2295 transitions, 109209 flow [2023-08-25 03:41:28,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:41:28,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:41:28,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:41:28,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-25 03:41:28,029 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:41:28,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:41:28,029 INFO L85 PathProgramCache]: Analyzing trace with hash -907045595, now seen corresponding path program 3 times [2023-08-25 03:41:28,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:41:28,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152317499] [2023-08-25 03:41:28,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:41:28,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:41:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:41:29,336 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 03:41:29,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:41:29,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152317499] [2023-08-25 03:41:29,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152317499] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:41:29,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:41:29,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 03:41:29,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450235157] [2023-08-25 03:41:29,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:41:29,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 03:41:29,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:41:29,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 03:41:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-08-25 03:41:29,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 447 [2023-08-25 03:41:29,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 2295 transitions, 109209 flow. Second operand has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:41:29,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:41:29,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 447 [2023-08-25 03:41:29,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:42:02,444 INFO L124 PetriNetUnfolderBase]: 15168/33092 cut-off events. [2023-08-25 03:42:02,444 INFO L125 PetriNetUnfolderBase]: For 2037501/2037575 co-relation queries the response was YES. [2023-08-25 03:42:03,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336118 conditions, 33092 events. 15168/33092 cut-off events. For 2037501/2037575 co-relation queries the response was YES. Maximal size of possible extension queue 973. Compared 331526 event pairs, 3809 based on Foata normal form. 71/32324 useless extension candidates. Maximal degree in co-relation 335921. Up to 22372 conditions per place. [2023-08-25 03:42:03,277 INFO L140 encePairwiseOnDemand]: 434/447 looper letters, 1938 selfloop transitions, 687 changer transitions 0/2629 dead transitions. [2023-08-25 03:42:03,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 2629 transitions, 123849 flow [2023-08-25 03:42:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-25 03:42:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-25 03:42:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2267 transitions. [2023-08-25 03:42:03,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2817549092716878 [2023-08-25 03:42:03,280 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2267 transitions. [2023-08-25 03:42:03,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2267 transitions. [2023-08-25 03:42:03,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:42:03,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2267 transitions. [2023-08-25 03:42:03,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 125.94444444444444) internal successors, (2267), 18 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:42:03,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 447.0) internal successors, (8493), 19 states have internal predecessors, (8493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:42:03,286 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 447.0) internal successors, (8493), 19 states have internal predecessors, (8493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:42:03,286 INFO L175 Difference]: Start difference. First operand has 500 places, 2295 transitions, 109209 flow. Second operand 18 states and 2267 transitions. [2023-08-25 03:42:03,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 2629 transitions, 123849 flow [2023-08-25 03:42:40,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 2629 transitions, 123202 flow, removed 58 selfloop flow, removed 6 redundant places. [2023-08-25 03:42:40,690 INFO L231 Difference]: Finished difference. Result has 520 places, 2342 transitions, 112298 flow [2023-08-25 03:42:40,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=108571, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=112298, PETRI_PLACES=520, PETRI_TRANSITIONS=2342} [2023-08-25 03:42:40,692 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 439 predicate places. [2023-08-25 03:42:40,692 INFO L495 AbstractCegarLoop]: Abstraction has has 520 places, 2342 transitions, 112298 flow [2023-08-25 03:42:40,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:42:40,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:42:40,692 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:42:40,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-25 03:42:40,692 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:42:40,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:42:40,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2103470079, now seen corresponding path program 4 times [2023-08-25 03:42:40,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:42:40,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844660694] [2023-08-25 03:42:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:42:40,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:42:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:42:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:42:41,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:42:41,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844660694] [2023-08-25 03:42:41,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844660694] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:42:41,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:42:41,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 03:42:41,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889796832] [2023-08-25 03:42:41,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:42:41,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 03:42:41,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:42:41,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 03:42:41,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-08-25 03:42:41,727 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 447 [2023-08-25 03:42:41,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 2342 transitions, 112298 flow. Second operand has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:42:41,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:42:41,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 447 [2023-08-25 03:42:41,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:43:17,589 INFO L124 PetriNetUnfolderBase]: 15180/33121 cut-off events. [2023-08-25 03:43:17,589 INFO L125 PetriNetUnfolderBase]: For 2113673/2113722 co-relation queries the response was YES. [2023-08-25 03:43:18,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339942 conditions, 33121 events. 15180/33121 cut-off events. For 2113673/2113722 co-relation queries the response was YES. Maximal size of possible extension queue 971. Compared 331990 event pairs, 3635 based on Foata normal form. 46/32328 useless extension candidates. Maximal degree in co-relation 339735. Up to 20794 conditions per place. [2023-08-25 03:43:18,501 INFO L140 encePairwiseOnDemand]: 430/447 looper letters, 1512 selfloop transitions, 1037 changer transitions 0/2553 dead transitions. [2023-08-25 03:43:18,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 2553 transitions, 121708 flow [2023-08-25 03:43:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-25 03:43:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-25 03:43:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 3055 transitions. [2023-08-25 03:43:18,504 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2733780760626398 [2023-08-25 03:43:18,504 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 3055 transitions. [2023-08-25 03:43:18,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 3055 transitions. [2023-08-25 03:43:18,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:43:18,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 3055 transitions. [2023-08-25 03:43:18,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 122.2) internal successors, (3055), 25 states have internal predecessors, (3055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:43:18,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 447.0) internal successors, (11622), 26 states have internal predecessors, (11622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:43:18,513 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 447.0) internal successors, (11622), 26 states have internal predecessors, (11622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:43:18,513 INFO L175 Difference]: Start difference. First operand has 520 places, 2342 transitions, 112298 flow. Second operand 25 states and 3055 transitions. [2023-08-25 03:43:18,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 2553 transitions, 121708 flow [2023-08-25 03:43:55,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 2553 transitions, 121452 flow, removed 87 selfloop flow, removed 6 redundant places. [2023-08-25 03:43:55,981 INFO L231 Difference]: Finished difference. Result has 542 places, 2377 transitions, 115874 flow [2023-08-25 03:43:55,983 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=112042, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1002, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=115874, PETRI_PLACES=542, PETRI_TRANSITIONS=2377} [2023-08-25 03:43:55,983 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, 461 predicate places. [2023-08-25 03:43:55,983 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 2377 transitions, 115874 flow [2023-08-25 03:43:55,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:43:55,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:43:55,984 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:43:55,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-25 03:43:55,984 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-25 03:43:55,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:43:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash -588657823, now seen corresponding path program 5 times [2023-08-25 03:43:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:43:55,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428659980] [2023-08-25 03:43:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:43:55,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:43:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:43:56,979 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 03:43:56,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:43:56,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428659980] [2023-08-25 03:43:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428659980] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:43:56,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:43:56,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 03:43:56,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227670983] [2023-08-25 03:43:56,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:43:56,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 03:43:56,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:43:56,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 03:43:56,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-25 03:43:56,981 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 447 [2023-08-25 03:43:56,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 2377 transitions, 115874 flow. Second operand has 13 states, 13 states have (on average 113.38461538461539) internal successors, (1474), 13 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:43:56,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:43:56,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 447 [2023-08-25 03:43:56,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-08-25 03:44:13,116 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 03:44:13,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-25 03:44:13,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2023-08-25 03:44:13,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-25 03:44:13,232 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). [2023-08-25 03:44:13,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2023-08-25 03:44:13,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2023-08-25 03:44:13,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2023-08-25 03:44:13,236 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2023-08-25 03:44:13,237 INFO L445 BasicCegarLoop]: Path program histogram: [14, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:44:13,241 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:44:13,241 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:44:13,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:44:13 BasicIcfg [2023-08-25 03:44:13,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:44:13,243 INFO L158 Benchmark]: Toolchain (without parser) took 816486.88ms. Allocated memory was 352.3MB in the beginning and 9.9GB in the end (delta: 9.5GB). Free memory was 326.4MB in the beginning and 7.6GB in the end (delta: -7.2GB). Peak memory consumption was 2.4GB. Max. memory is 16.0GB. [2023-08-25 03:44:13,244 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 352.3MB. Free memory is still 330.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:44:13,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.22ms. Allocated memory is still 352.3MB. Free memory was 325.6MB in the beginning and 286.2MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-25 03:44:13,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.11ms. Allocated memory is still 352.3MB. Free memory was 286.2MB in the beginning and 282.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:44:13,244 INFO L158 Benchmark]: Boogie Preprocessor took 61.30ms. Allocated memory is still 352.3MB. Free memory was 282.8MB in the beginning and 279.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:44:13,244 INFO L158 Benchmark]: RCFGBuilder took 691.97ms. Allocated memory is still 352.3MB. Free memory was 279.9MB in the beginning and 251.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 03:44:13,245 INFO L158 Benchmark]: TraceAbstraction took 814979.26ms. Allocated memory was 352.3MB in the beginning and 9.9GB in the end (delta: 9.5GB). Free memory was 250.5MB in the beginning and 7.6GB in the end (delta: -7.3GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. [2023-08-25 03:44:13,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 352.3MB. Free memory is still 330.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 687.22ms. Allocated memory is still 352.3MB. Free memory was 325.6MB in the beginning and 286.2MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.11ms. Allocated memory is still 352.3MB. Free memory was 286.2MB in the beginning and 282.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 61.30ms. Allocated memory is still 352.3MB. Free memory was 282.8MB in the beginning and 279.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 691.97ms. Allocated memory is still 352.3MB. Free memory was 279.9MB in the beginning and 251.4MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 814979.26ms. Allocated memory was 352.3MB in the beginning and 9.9GB in the end (delta: 9.5GB). Free memory was 250.5MB in the beginning and 7.6GB in the end (delta: -7.3GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 245]: Unsoundness Warning unspecified type, defaulting to int C: short [245] - GenericResultAtLocation [Line: 245]: Unsoundness Warning unspecified type, defaulting to int C: short [245] - GenericResultAtLocation [Line: 1045]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1045] - GenericResultAtLocation [Line: 1259]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1259] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 295.9s, 239 PlacesBefore, 81 PlacesAfterwards, 235 TransitionsBefore, 77 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 10 FixpointIterations, 171 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 211 TotalNumberOfCompositions, 39612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7767, independent: 6463, independent conditional: 0, independent unconditional: 6463, dependent: 1304, dependent conditional: 0, dependent unconditional: 1304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1897, independent: 1816, independent conditional: 0, independent unconditional: 1816, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7767, independent: 4647, independent conditional: 0, independent unconditional: 4647, dependent: 1223, dependent conditional: 0, dependent unconditional: 1223, unknown: 1897, unknown conditional: 0, unknown unconditional: 1897] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 290, Positive conditional cache size: 0, Positive unconditional cache size: 290, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1230]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1252]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1230]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1254]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1254]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1255]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1256]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1230]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1261]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1261]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1262]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1257]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1230]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1240]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1240]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1241]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1241]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - TimeoutResultAtElement [Line: 1242]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 112/447 universal loopers) in iteration 27,while PetriNetUnfolder was constructing finite prefix that currently has 147755 conditions, 13264 events (5917/13263 cut-off events. For 980232/980281 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 136881 event pairs, 689 based on Foata normal form. 46/13898 useless extension candidates. Maximal degree in co-relation 147544. Up to 8278 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 309 locations, 30 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: 814.8s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 501.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 296.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5935 SdHoareTripleChecker+Valid, 47.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5935 mSDsluCounter, 991 SdHoareTripleChecker+Invalid, 44.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 2712 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21411 IncrementalHoareTripleChecker+Invalid, 24123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2712 mSolverCounterUnsat, 473 mSDtfsCounter, 21411 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 439 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 411 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1471 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115874occurred in iteration=26, InterpolantAutomatonStates: 342, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 7709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown