./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! data-race) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:35:27,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:35:27,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:35:27,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:35:27,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:35:27,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:35:27,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:35:27,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:35:27,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:35:27,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:35:27,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:35:27,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:35:27,189 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:35:27,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:35:27,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:35:27,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:35:27,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:35:27,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:35:27,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:35:27,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:35:27,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:35:27,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:35:27,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:35:27,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:35:27,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:35:27,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:35:27,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:35:27,192 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 [2024-11-07 15:35:27,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:35:27,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:35:27,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:35:27,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:35:27,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:35:27,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2024-11-07 15:35:28,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:35:28,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:35:28,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2024-11-07 15:35:28,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aeeea796a/7fe788c14be6411ab1ce001a8db6a0f4/FLAG638c39828 [2024-11-07 15:35:29,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aeeea796a/7fe788c14be6411ab1ce001a8db6a0f4 [2024-11-07 15:35:29,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:35:29,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:35:29,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:35:29,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:35:29,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:35:29,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58542e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29, skipping insertion in model container [2024-11-07 15:35:29,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:35:29,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:35:29,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:35:29,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:35:29,561 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:35:29,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29 WrapperNode [2024-11-07 15:35:29,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:35:29,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:35:29,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:35:29,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:35:29,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,618 INFO L138 Inliner]: procedures = 189, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 258 [2024-11-07 15:35:29,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:35:29,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:35:29,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:35:29,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:35:29,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:35:29,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:35:29,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:35:29,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:35:29,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (1/1) ... [2024-11-07 15:35:29,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:35:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:29,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 15:35:29,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:35:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:35:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:35:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:35:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:35:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:35:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:35:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:35:29,715 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:35:29,855 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:35:29,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:35:30,268 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:35:30,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:35:30,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:35:30,290 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:35:30,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:30 BoogieIcfgContainer [2024-11-07 15:35:30,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:35:30,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:35:30,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:35:30,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:35:30,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:29" (1/3) ... [2024-11-07 15:35:30,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157394be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:30, skipping insertion in model container [2024-11-07 15:35:30,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:29" (2/3) ... [2024-11-07 15:35:30,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157394be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:30, skipping insertion in model container [2024-11-07 15:35:30,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:30" (3/3) ... [2024-11-07 15:35:30,299 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2024-11-07 15:35:30,310 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:35:30,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-07 15:35:30,311 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:35:30,397 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:35:30,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 297 places, 293 transitions, 590 flow [2024-11-07 15:35:30,530 INFO L124 PetriNetUnfolderBase]: 0/292 cut-off events. [2024-11-07 15:35:30,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:30,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 292 events. 0/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 94 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-07 15:35:30,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 297 places, 293 transitions, 590 flow [2024-11-07 15:35:30,541 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 292 transitions, 587 flow [2024-11-07 15:35:30,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:35:30,553 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3a94411c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:35:30,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-07 15:35:30,564 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:35:30,564 INFO L124 PetriNetUnfolderBase]: 0/86 cut-off events. [2024-11-07 15:35:30,564 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:30,564 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:30,565 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:30,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:30,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:30,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1012708, now seen corresponding path program 1 times [2024-11-07 15:35:30,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:30,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839826983] [2024-11-07 15:35:30,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:30,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:31,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:31,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839826983] [2024-11-07 15:35:31,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839826983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:31,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:31,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:31,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871126651] [2024-11-07 15:35:31,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:31,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:31,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:31,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:31,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:31,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 293 [2024-11-07 15:35:31,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 292 transitions, 587 flow. Second operand has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:31,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:31,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 293 [2024-11-07 15:35:31,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:31,994 INFO L124 PetriNetUnfolderBase]: 220/1135 cut-off events. [2024-11-07 15:35:31,994 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:31,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 1135 events. 220/1135 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5595 event pairs, 220 based on Foata normal form. 0/1027 useless extension candidates. Maximal degree in co-relation 1424. Up to 493 conditions per place. [2024-11-07 15:35:32,004 INFO L140 encePairwiseOnDemand]: 275/293 looper letters, 52 selfloop transitions, 15 changer transitions 0/289 dead transitions. [2024-11-07 15:35:32,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 289 transitions, 715 flow [2024-11-07 15:35:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1408 transitions. [2024-11-07 15:35:32,022 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.800910125142207 [2024-11-07 15:35:32,023 INFO L175 Difference]: Start difference. First operand has 296 places, 292 transitions, 587 flow. Second operand 6 states and 1408 transitions. [2024-11-07 15:35:32,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 289 transitions, 715 flow [2024-11-07 15:35:32,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 289 transitions, 714 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:32,031 INFO L231 Difference]: Finished difference. Result has 297 places, 289 transitions, 610 flow [2024-11-07 15:35:32,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=289} [2024-11-07 15:35:32,035 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 1 predicate places. [2024-11-07 15:35:32,037 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 289 transitions, 610 flow [2024-11-07 15:35:32,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:32,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:32,037 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:32,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:35:32,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:32,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:32,038 INFO L85 PathProgramCache]: Analyzing trace with hash -778666570, now seen corresponding path program 1 times [2024-11-07 15:35:32,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:32,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805942387] [2024-11-07 15:35:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:32,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:32,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:32,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805942387] [2024-11-07 15:35:32,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805942387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:32,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:32,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:32,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642773124] [2024-11-07 15:35:32,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:32,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:32,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:32,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:32,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 293 [2024-11-07 15:35:32,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 289 transitions, 610 flow. Second operand has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:32,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:32,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 293 [2024-11-07 15:35:32,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:32,898 INFO L124 PetriNetUnfolderBase]: 220/1132 cut-off events. [2024-11-07 15:35:32,898 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:32,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 1132 events. 220/1132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5632 event pairs, 220 based on Foata normal form. 0/1027 useless extension candidates. Maximal degree in co-relation 1449. Up to 493 conditions per place. [2024-11-07 15:35:32,902 INFO L140 encePairwiseOnDemand]: 275/293 looper letters, 52 selfloop transitions, 15 changer transitions 0/286 dead transitions. [2024-11-07 15:35:32,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 286 transitions, 738 flow [2024-11-07 15:35:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1408 transitions. [2024-11-07 15:35:32,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.800910125142207 [2024-11-07 15:35:32,907 INFO L175 Difference]: Start difference. First operand has 297 places, 289 transitions, 610 flow. Second operand 6 states and 1408 transitions. [2024-11-07 15:35:32,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 286 transitions, 738 flow [2024-11-07 15:35:32,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 286 transitions, 708 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:32,910 INFO L231 Difference]: Finished difference. Result has 294 places, 286 transitions, 604 flow [2024-11-07 15:35:32,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=604, PETRI_PLACES=294, PETRI_TRANSITIONS=286} [2024-11-07 15:35:32,911 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -2 predicate places. [2024-11-07 15:35:32,911 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 286 transitions, 604 flow [2024-11-07 15:35:32,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:32,912 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:32,912 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:32,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:35:32,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:32,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash -672749740, now seen corresponding path program 1 times [2024-11-07 15:35:32,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:32,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313389912] [2024-11-07 15:35:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313389912] [2024-11-07 15:35:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313389912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:32,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509325611] [2024-11-07 15:35:32,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:32,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:32,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:33,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 293 [2024-11-07 15:35:33,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 286 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:33,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 293 [2024-11-07 15:35:33,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:33,077 INFO L124 PetriNetUnfolderBase]: 16/421 cut-off events. [2024-11-07 15:35:33,077 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:33,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 421 events. 16/421 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 779 event pairs, 16 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 291. Up to 47 conditions per place. [2024-11-07 15:35:33,079 INFO L140 encePairwiseOnDemand]: 290/293 looper letters, 14 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-07 15:35:33,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 285 transitions, 634 flow [2024-11-07 15:35:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2024-11-07 15:35:33,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9613196814562003 [2024-11-07 15:35:33,091 INFO L175 Difference]: Start difference. First operand has 294 places, 286 transitions, 604 flow. Second operand 3 states and 845 transitions. [2024-11-07 15:35:33,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 285 transitions, 634 flow [2024-11-07 15:35:33,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:33,097 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 576 flow [2024-11-07 15:35:33,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2024-11-07 15:35:33,098 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -6 predicate places. [2024-11-07 15:35:33,098 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 576 flow [2024-11-07 15:35:33,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:33,099 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:33,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:35:33,099 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:33,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:33,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1411836732, now seen corresponding path program 1 times [2024-11-07 15:35:33,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:33,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226492199] [2024-11-07 15:35:33,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:33,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:33,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:33,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226492199] [2024-11-07 15:35:33,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226492199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:33,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:33,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:33,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905164166] [2024-11-07 15:35:33,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:33,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:33,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:33,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:33,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:33,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 293 [2024-11-07 15:35:33,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:33,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 293 [2024-11-07 15:35:33,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:33,222 INFO L124 PetriNetUnfolderBase]: 24/498 cut-off events. [2024-11-07 15:35:33,223 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:33,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 498 events. 24/498 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1205 event pairs, 24 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 458. Up to 63 conditions per place. [2024-11-07 15:35:33,225 INFO L140 encePairwiseOnDemand]: 287/293 looper letters, 15 selfloop transitions, 1 changer transitions 0/280 dead transitions. [2024-11-07 15:35:33,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 280 transitions, 598 flow [2024-11-07 15:35:33,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2024-11-07 15:35:33,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9522184300341296 [2024-11-07 15:35:33,228 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 576 flow. Second operand 3 states and 837 transitions. [2024-11-07 15:35:33,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 280 transitions, 598 flow [2024-11-07 15:35:33,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 280 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:33,232 INFO L231 Difference]: Finished difference. Result has 285 places, 280 transitions, 564 flow [2024-11-07 15:35:33,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=285, PETRI_TRANSITIONS=280} [2024-11-07 15:35:33,233 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -11 predicate places. [2024-11-07 15:35:33,233 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 280 transitions, 564 flow [2024-11-07 15:35:33,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:33,234 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:33,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:35:33,234 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:33,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:33,235 INFO L85 PathProgramCache]: Analyzing trace with hash -314182069, now seen corresponding path program 1 times [2024-11-07 15:35:33,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:33,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666877860] [2024-11-07 15:35:33,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:33,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:33,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:33,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:33,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666877860] [2024-11-07 15:35:33,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666877860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:33,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:33,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:33,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732129510] [2024-11-07 15:35:33,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:33,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:33,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:33,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:33,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:33,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 293 [2024-11-07 15:35:33,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 280 transitions, 564 flow. Second operand has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:33,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 293 [2024-11-07 15:35:33,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:33,971 INFO L124 PetriNetUnfolderBase]: 288/1275 cut-off events. [2024-11-07 15:35:33,972 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:33,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1928 conditions, 1275 events. 288/1275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6585 event pairs, 288 based on Foata normal form. 0/1214 useless extension candidates. Maximal degree in co-relation 1807. Up to 643 conditions per place. [2024-11-07 15:35:33,976 INFO L140 encePairwiseOnDemand]: 287/293 looper letters, 66 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-11-07 15:35:33,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 279 transitions, 704 flow [2024-11-07 15:35:33,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1398 transitions. [2024-11-07 15:35:33,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7952218430034129 [2024-11-07 15:35:33,978 INFO L175 Difference]: Start difference. First operand has 285 places, 280 transitions, 564 flow. Second operand 6 states and 1398 transitions. [2024-11-07 15:35:33,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 279 transitions, 704 flow [2024-11-07 15:35:33,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 279 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:33,981 INFO L231 Difference]: Finished difference. Result has 288 places, 279 transitions, 571 flow [2024-11-07 15:35:33,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=571, PETRI_PLACES=288, PETRI_TRANSITIONS=279} [2024-11-07 15:35:33,984 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -8 predicate places. [2024-11-07 15:35:33,984 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 279 transitions, 571 flow [2024-11-07 15:35:33,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:33,985 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:33,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:35:33,985 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:33,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash 604617369, now seen corresponding path program 1 times [2024-11-07 15:35:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:33,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406067363] [2024-11-07 15:35:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:34,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:34,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406067363] [2024-11-07 15:35:34,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406067363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:34,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:34,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:34,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994967924] [2024-11-07 15:35:34,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:34,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:34,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:34,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:34,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:34,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 293 [2024-11-07 15:35:34,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 279 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:34,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:34,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 293 [2024-11-07 15:35:34,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:34,101 INFO L124 PetriNetUnfolderBase]: 6/342 cut-off events. [2024-11-07 15:35:34,102 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:34,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 342 events. 6/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 391 event pairs, 6 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 266. Up to 23 conditions per place. [2024-11-07 15:35:34,103 INFO L140 encePairwiseOnDemand]: 290/293 looper letters, 10 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2024-11-07 15:35:34,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 278 transitions, 593 flow [2024-11-07 15:35:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 853 transitions. [2024-11-07 15:35:34,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704209328782708 [2024-11-07 15:35:34,105 INFO L175 Difference]: Start difference. First operand has 288 places, 279 transitions, 571 flow. Second operand 3 states and 853 transitions. [2024-11-07 15:35:34,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 278 transitions, 593 flow [2024-11-07 15:35:34,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 278 transitions, 583 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:34,108 INFO L231 Difference]: Finished difference. Result has 284 places, 278 transitions, 563 flow [2024-11-07 15:35:34,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=563, PETRI_PLACES=284, PETRI_TRANSITIONS=278} [2024-11-07 15:35:34,111 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -12 predicate places. [2024-11-07 15:35:34,111 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 278 transitions, 563 flow [2024-11-07 15:35:34,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:34,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:34,112 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:34,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:35:34,112 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:34,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:34,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1042183485, now seen corresponding path program 1 times [2024-11-07 15:35:34,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:34,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503619481] [2024-11-07 15:35:34,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:34,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:34,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503619481] [2024-11-07 15:35:34,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503619481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:34,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:34,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:34,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265483215] [2024-11-07 15:35:34,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:34,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:34,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:34,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:34,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:34,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 293 [2024-11-07 15:35:34,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 278 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:34,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:34,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 293 [2024-11-07 15:35:34,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:34,209 INFO L124 PetriNetUnfolderBase]: 4/339 cut-off events. [2024-11-07 15:35:34,209 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:34,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 339 events. 4/339 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 251 event pairs, 4 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 253. Up to 15 conditions per place. [2024-11-07 15:35:34,211 INFO L140 encePairwiseOnDemand]: 291/293 looper letters, 7 selfloop transitions, 1 changer transitions 0/277 dead transitions. [2024-11-07 15:35:34,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 277 transitions, 577 flow [2024-11-07 15:35:34,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2024-11-07 15:35:34,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795221843003413 [2024-11-07 15:35:34,213 INFO L175 Difference]: Start difference. First operand has 284 places, 278 transitions, 563 flow. Second operand 3 states and 861 transitions. [2024-11-07 15:35:34,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 277 transitions, 577 flow [2024-11-07 15:35:34,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 277 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:34,216 INFO L231 Difference]: Finished difference. Result has 283 places, 277 transitions, 559 flow [2024-11-07 15:35:34,216 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=559, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2024-11-07 15:35:34,218 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -13 predicate places. [2024-11-07 15:35:34,218 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 559 flow [2024-11-07 15:35:34,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:34,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:34,218 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:34,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:35:34,219 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:34,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:34,219 INFO L85 PathProgramCache]: Analyzing trace with hash 987461173, now seen corresponding path program 1 times [2024-11-07 15:35:34,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:34,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079430121] [2024-11-07 15:35:34,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:34,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:34,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:34,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079430121] [2024-11-07 15:35:34,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079430121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:34,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:34,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706377988] [2024-11-07 15:35:34,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:34,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:34,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:34,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:34,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:34,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 293 [2024-11-07 15:35:34,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 559 flow. Second operand has 6 states, 6 states have (on average 234.33333333333334) internal successors, (1406), 6 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:34,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:34,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 293 [2024-11-07 15:35:34,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:35,288 INFO L124 PetriNetUnfolderBase]: 316/1589 cut-off events. [2024-11-07 15:35:35,288 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:35,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 1589 events. 316/1589 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9557 event pairs, 43 based on Foata normal form. 0/1500 useless extension candidates. Maximal degree in co-relation 2209. Up to 388 conditions per place. [2024-11-07 15:35:35,293 INFO L140 encePairwiseOnDemand]: 265/293 looper letters, 107 selfloop transitions, 70 changer transitions 0/389 dead transitions. [2024-11-07 15:35:35,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 389 transitions, 1137 flow [2024-11-07 15:35:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-11-07 15:35:35,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8799772468714449 [2024-11-07 15:35:35,296 INFO L175 Difference]: Start difference. First operand has 283 places, 277 transitions, 559 flow. Second operand 6 states and 1547 transitions. [2024-11-07 15:35:35,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 389 transitions, 1137 flow [2024-11-07 15:35:35,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 389 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:35,303 INFO L231 Difference]: Finished difference. Result has 291 places, 347 transitions, 1036 flow [2024-11-07 15:35:35,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1036, PETRI_PLACES=291, PETRI_TRANSITIONS=347} [2024-11-07 15:35:35,304 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, -5 predicate places. [2024-11-07 15:35:35,304 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 347 transitions, 1036 flow [2024-11-07 15:35:35,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.33333333333334) internal successors, (1406), 6 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:35,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:35,305 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:35,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:35:35,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:35,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:35,306 INFO L85 PathProgramCache]: Analyzing trace with hash 204481195, now seen corresponding path program 1 times [2024-11-07 15:35:35,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:35,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231394257] [2024-11-07 15:35:35,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:35,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:35,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:35,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231394257] [2024-11-07 15:35:35,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231394257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:35,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:35,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:35,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370942110] [2024-11-07 15:35:35,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:35,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:35,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:35,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:35,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:35,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 293 [2024-11-07 15:35:35,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 347 transitions, 1036 flow. Second operand has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:35,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:35,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 293 [2024-11-07 15:35:35,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:36,258 INFO L124 PetriNetUnfolderBase]: 588/2368 cut-off events. [2024-11-07 15:35:36,258 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-11-07 15:35:36,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4766 conditions, 2368 events. 588/2368 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 15454 event pairs, 222 based on Foata normal form. 0/2256 useless extension candidates. Maximal degree in co-relation 4644. Up to 1090 conditions per place. [2024-11-07 15:35:36,267 INFO L140 encePairwiseOnDemand]: 278/293 looper letters, 114 selfloop transitions, 48 changer transitions 0/398 dead transitions. [2024-11-07 15:35:36,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 398 transitions, 1532 flow [2024-11-07 15:35:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1484 transitions. [2024-11-07 15:35:36,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8441410693970421 [2024-11-07 15:35:36,299 INFO L175 Difference]: Start difference. First operand has 291 places, 347 transitions, 1036 flow. Second operand 6 states and 1484 transitions. [2024-11-07 15:35:36,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 398 transitions, 1532 flow [2024-11-07 15:35:36,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 398 transitions, 1532 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:36,307 INFO L231 Difference]: Finished difference. Result has 301 places, 390 transitions, 1424 flow [2024-11-07 15:35:36,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1424, PETRI_PLACES=301, PETRI_TRANSITIONS=390} [2024-11-07 15:35:36,307 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 5 predicate places. [2024-11-07 15:35:36,308 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 390 transitions, 1424 flow [2024-11-07 15:35:36,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:36,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:36,308 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:36,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:35:36,309 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:36,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:36,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1899772781, now seen corresponding path program 1 times [2024-11-07 15:35:36,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:36,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588563112] [2024-11-07 15:35:36,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:36,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:36,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588563112] [2024-11-07 15:35:36,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588563112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:36,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:36,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:36,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823133785] [2024-11-07 15:35:36,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:36,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:36,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:36,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:36,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:37,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 293 [2024-11-07 15:35:37,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 390 transitions, 1424 flow. Second operand has 6 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:37,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:37,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 293 [2024-11-07 15:35:37,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:37,433 INFO L124 PetriNetUnfolderBase]: 693/2817 cut-off events. [2024-11-07 15:35:37,434 INFO L125 PetriNetUnfolderBase]: For 1554/1606 co-relation queries the response was YES. [2024-11-07 15:35:37,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6411 conditions, 2817 events. 693/2817 cut-off events. For 1554/1606 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19778 event pairs, 57 based on Foata normal form. 0/2726 useless extension candidates. Maximal degree in co-relation 6282. Up to 932 conditions per place. [2024-11-07 15:35:37,444 INFO L140 encePairwiseOnDemand]: 270/293 looper letters, 135 selfloop transitions, 136 changer transitions 4/530 dead transitions. [2024-11-07 15:35:37,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 530 transitions, 2730 flow [2024-11-07 15:35:37,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2024-11-07 15:35:37,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8799772468714449 [2024-11-07 15:35:37,447 INFO L175 Difference]: Start difference. First operand has 301 places, 390 transitions, 1424 flow. Second operand 6 states and 1547 transitions. [2024-11-07 15:35:37,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 530 transitions, 2730 flow [2024-11-07 15:35:37,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 530 transitions, 2712 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:37,459 INFO L231 Difference]: Finished difference. Result has 311 places, 521 transitions, 2772 flow [2024-11-07 15:35:37,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2772, PETRI_PLACES=311, PETRI_TRANSITIONS=521} [2024-11-07 15:35:37,460 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 15 predicate places. [2024-11-07 15:35:37,460 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 521 transitions, 2772 flow [2024-11-07 15:35:37,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:37,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:37,461 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:37,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:35:37,461 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:37,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:37,461 INFO L85 PathProgramCache]: Analyzing trace with hash -632563920, now seen corresponding path program 1 times [2024-11-07 15:35:37,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:37,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330123032] [2024-11-07 15:35:37,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:37,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:37,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:37,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330123032] [2024-11-07 15:35:37,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330123032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:37,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:37,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:37,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904436311] [2024-11-07 15:35:37,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:37,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:37,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:37,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:37,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 293 [2024-11-07 15:35:37,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 521 transitions, 2772 flow. Second operand has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:37,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:37,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 293 [2024-11-07 15:35:37,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:38,415 INFO L124 PetriNetUnfolderBase]: 968/3493 cut-off events. [2024-11-07 15:35:38,416 INFO L125 PetriNetUnfolderBase]: For 3831/3903 co-relation queries the response was YES. [2024-11-07 15:35:38,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9734 conditions, 3493 events. 968/3493 cut-off events. For 3831/3903 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 24892 event pairs, 207 based on Foata normal form. 0/3406 useless extension candidates. Maximal degree in co-relation 9602. Up to 1565 conditions per place. [2024-11-07 15:35:38,432 INFO L140 encePairwiseOnDemand]: 278/293 looper letters, 239 selfloop transitions, 62 changer transitions 0/578 dead transitions. [2024-11-07 15:35:38,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 578 transitions, 3716 flow [2024-11-07 15:35:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1484 transitions. [2024-11-07 15:35:38,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8441410693970421 [2024-11-07 15:35:38,440 INFO L175 Difference]: Start difference. First operand has 311 places, 521 transitions, 2772 flow. Second operand 6 states and 1484 transitions. [2024-11-07 15:35:38,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 578 transitions, 3716 flow [2024-11-07 15:35:38,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 578 transitions, 3680 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:38,463 INFO L231 Difference]: Finished difference. Result has 321 places, 570 transitions, 3362 flow [2024-11-07 15:35:38,464 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=2736, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3362, PETRI_PLACES=321, PETRI_TRANSITIONS=570} [2024-11-07 15:35:38,464 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 25 predicate places. [2024-11-07 15:35:38,465 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 570 transitions, 3362 flow [2024-11-07 15:35:38,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:38,465 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:38,465 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:38,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:35:38,466 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:38,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1283758768, now seen corresponding path program 1 times [2024-11-07 15:35:38,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:38,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68928205] [2024-11-07 15:35:38,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:39,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:39,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68928205] [2024-11-07 15:35:39,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68928205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:39,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:39,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:39,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890111383] [2024-11-07 15:35:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:39,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:39,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:39,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:39,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:40,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:35:40,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 570 transitions, 3362 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:40,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:40,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:35:40,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:41,672 INFO L124 PetriNetUnfolderBase]: 1482/5034 cut-off events. [2024-11-07 15:35:41,672 INFO L125 PetriNetUnfolderBase]: For 8565/8665 co-relation queries the response was YES. [2024-11-07 15:35:41,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16029 conditions, 5034 events. 1482/5034 cut-off events. For 8565/8665 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 40127 event pairs, 100 based on Foata normal form. 47/4999 useless extension candidates. Maximal degree in co-relation 15887. Up to 955 conditions per place. [2024-11-07 15:35:41,708 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 442 selfloop transitions, 192 changer transitions 1/881 dead transitions. [2024-11-07 15:35:41,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 881 transitions, 7168 flow [2024-11-07 15:35:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4321 transitions. [2024-11-07 15:35:41,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.776181067001976 [2024-11-07 15:35:41,715 INFO L175 Difference]: Start difference. First operand has 321 places, 570 transitions, 3362 flow. Second operand 19 states and 4321 transitions. [2024-11-07 15:35:41,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 881 transitions, 7168 flow [2024-11-07 15:35:41,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 881 transitions, 6986 flow, removed 91 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:41,755 INFO L231 Difference]: Finished difference. Result has 348 places, 701 transitions, 5266 flow [2024-11-07 15:35:41,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=3250, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5266, PETRI_PLACES=348, PETRI_TRANSITIONS=701} [2024-11-07 15:35:41,756 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 52 predicate places. [2024-11-07 15:35:41,756 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 701 transitions, 5266 flow [2024-11-07 15:35:41,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:41,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:41,757 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:41,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:35:41,758 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:41,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:41,758 INFO L85 PathProgramCache]: Analyzing trace with hash 449689358, now seen corresponding path program 2 times [2024-11-07 15:35:41,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:41,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471276368] [2024-11-07 15:35:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:41,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:42,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:42,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471276368] [2024-11-07 15:35:42,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471276368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:42,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:42,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:42,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611970491] [2024-11-07 15:35:42,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:42,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:42,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:42,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:42,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:43,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:35:43,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 701 transitions, 5266 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:43,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:43,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:35:43,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:45,386 INFO L124 PetriNetUnfolderBase]: 2096/7132 cut-off events. [2024-11-07 15:35:45,386 INFO L125 PetriNetUnfolderBase]: For 17130/17345 co-relation queries the response was YES. [2024-11-07 15:35:45,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24346 conditions, 7132 events. 2096/7132 cut-off events. For 17130/17345 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 64366 event pairs, 150 based on Foata normal form. 82/7114 useless extension candidates. Maximal degree in co-relation 24191. Up to 1553 conditions per place. [2024-11-07 15:35:45,418 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 444 selfloop transitions, 258 changer transitions 4/952 dead transitions. [2024-11-07 15:35:45,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 952 transitions, 8766 flow [2024-11-07 15:35:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 15:35:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 15:35:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3289 transitions. [2024-11-07 15:35:45,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8018039980497318 [2024-11-07 15:35:45,427 INFO L175 Difference]: Start difference. First operand has 348 places, 701 transitions, 5266 flow. Second operand 14 states and 3289 transitions. [2024-11-07 15:35:45,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 952 transitions, 8766 flow [2024-11-07 15:35:45,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 952 transitions, 8703 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:45,489 INFO L231 Difference]: Finished difference. Result has 366 places, 780 transitions, 7383 flow [2024-11-07 15:35:45,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=5225, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7383, PETRI_PLACES=366, PETRI_TRANSITIONS=780} [2024-11-07 15:35:45,490 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 70 predicate places. [2024-11-07 15:35:45,490 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 780 transitions, 7383 flow [2024-11-07 15:35:45,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:45,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:45,491 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:45,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:35:45,491 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:45,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1607427598, now seen corresponding path program 3 times [2024-11-07 15:35:45,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:45,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547802045] [2024-11-07 15:35:45,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:46,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:46,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547802045] [2024-11-07 15:35:46,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547802045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:46,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:46,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333871006] [2024-11-07 15:35:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:46,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:46,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:46,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:46,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:47,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:35:47,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 780 transitions, 7383 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:47,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:47,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:35:47,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:48,785 INFO L124 PetriNetUnfolderBase]: 2168/7348 cut-off events. [2024-11-07 15:35:48,785 INFO L125 PetriNetUnfolderBase]: For 26050/26280 co-relation queries the response was YES. [2024-11-07 15:35:48,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27164 conditions, 7348 events. 2168/7348 cut-off events. For 26050/26280 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 66261 event pairs, 208 based on Foata normal form. 82/7316 useless extension candidates. Maximal degree in co-relation 26998. Up to 1395 conditions per place. [2024-11-07 15:35:48,829 INFO L140 encePairwiseOnDemand]: 268/293 looper letters, 538 selfloop transitions, 173 changer transitions 1/958 dead transitions. [2024-11-07 15:35:48,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 958 transitions, 10427 flow [2024-11-07 15:35:48,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:48,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4296 transitions. [2024-11-07 15:35:48,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7716903179450332 [2024-11-07 15:35:48,834 INFO L175 Difference]: Start difference. First operand has 366 places, 780 transitions, 7383 flow. Second operand 19 states and 4296 transitions. [2024-11-07 15:35:48,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 958 transitions, 10427 flow [2024-11-07 15:35:48,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 958 transitions, 10422 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:48,932 INFO L231 Difference]: Finished difference. Result has 390 places, 837 transitions, 8650 flow [2024-11-07 15:35:48,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=7378, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8650, PETRI_PLACES=390, PETRI_TRANSITIONS=837} [2024-11-07 15:35:48,934 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 94 predicate places. [2024-11-07 15:35:48,934 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 837 transitions, 8650 flow [2024-11-07 15:35:48,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:48,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:48,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:48,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:35:48,935 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:48,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:48,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1006544148, now seen corresponding path program 4 times [2024-11-07 15:35:48,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:48,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286413995] [2024-11-07 15:35:48,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:49,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:49,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286413995] [2024-11-07 15:35:49,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286413995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:49,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:49,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:49,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218744953] [2024-11-07 15:35:49,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:49,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:49,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:49,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:49,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:50,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:35:50,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 837 transitions, 8650 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:50,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:50,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:35:50,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:52,991 INFO L124 PetriNetUnfolderBase]: 2794/9476 cut-off events. [2024-11-07 15:35:52,995 INFO L125 PetriNetUnfolderBase]: For 40773/41106 co-relation queries the response was YES. [2024-11-07 15:35:53,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36378 conditions, 9476 events. 2794/9476 cut-off events. For 40773/41106 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 92510 event pairs, 275 based on Foata normal form. 122/9465 useless extension candidates. Maximal degree in co-relation 36202. Up to 1814 conditions per place. [2024-11-07 15:35:53,085 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 548 selfloop transitions, 295 changer transitions 4/1093 dead transitions. [2024-11-07 15:35:53,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 1093 transitions, 13078 flow [2024-11-07 15:35:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 15:35:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 15:35:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3509 transitions. [2024-11-07 15:35:53,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7984072810011377 [2024-11-07 15:35:53,090 INFO L175 Difference]: Start difference. First operand has 390 places, 837 transitions, 8650 flow. Second operand 15 states and 3509 transitions. [2024-11-07 15:35:53,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 1093 transitions, 13078 flow [2024-11-07 15:35:53,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 1093 transitions, 12947 flow, removed 33 selfloop flow, removed 9 redundant places. [2024-11-07 15:35:53,480 INFO L231 Difference]: Finished difference. Result has 406 places, 923 transitions, 11320 flow [2024-11-07 15:35:53,481 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=8554, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11320, PETRI_PLACES=406, PETRI_TRANSITIONS=923} [2024-11-07 15:35:53,482 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 110 predicate places. [2024-11-07 15:35:53,482 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 923 transitions, 11320 flow [2024-11-07 15:35:53,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:53,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:53,483 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:53,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:35:53,483 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:53,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:53,483 INFO L85 PathProgramCache]: Analyzing trace with hash 118760203, now seen corresponding path program 1 times [2024-11-07 15:35:53,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:53,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204449405] [2024-11-07 15:35:53,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:54,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:54,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204449405] [2024-11-07 15:35:54,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204449405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:54,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:54,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:54,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496093382] [2024-11-07 15:35:54,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:54,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:54,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:54,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:54,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:55,204 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 293 [2024-11-07 15:35:55,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 923 transitions, 11320 flow. Second operand has 13 states, 13 states have (on average 221.69230769230768) internal successors, (2882), 13 states have internal predecessors, (2882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:55,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:55,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 293 [2024-11-07 15:35:55,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:57,904 INFO L124 PetriNetUnfolderBase]: 3320/10585 cut-off events. [2024-11-07 15:35:57,904 INFO L125 PetriNetUnfolderBase]: For 55051/55369 co-relation queries the response was YES. [2024-11-07 15:35:57,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43492 conditions, 10585 events. 3320/10585 cut-off events. For 55051/55369 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 102954 event pairs, 434 based on Foata normal form. 60/10447 useless extension candidates. Maximal degree in co-relation 43305. Up to 2371 conditions per place. [2024-11-07 15:35:58,044 INFO L140 encePairwiseOnDemand]: 272/293 looper letters, 504 selfloop transitions, 173 changer transitions 0/1061 dead transitions. [2024-11-07 15:35:58,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 1061 transitions, 14308 flow [2024-11-07 15:35:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 15:35:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 15:35:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3232 transitions. [2024-11-07 15:35:58,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.787908337396392 [2024-11-07 15:35:58,052 INFO L175 Difference]: Start difference. First operand has 406 places, 923 transitions, 11320 flow. Second operand 14 states and 3232 transitions. [2024-11-07 15:35:58,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 1061 transitions, 14308 flow [2024-11-07 15:35:58,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 1061 transitions, 14269 flow, removed 17 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:58,324 INFO L231 Difference]: Finished difference. Result has 421 places, 938 transitions, 12103 flow [2024-11-07 15:35:58,325 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=11289, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=753, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12103, PETRI_PLACES=421, PETRI_TRANSITIONS=938} [2024-11-07 15:35:58,325 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 125 predicate places. [2024-11-07 15:35:58,326 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 938 transitions, 12103 flow [2024-11-07 15:35:58,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 221.69230769230768) internal successors, (2882), 13 states have internal predecessors, (2882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:58,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:58,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:58,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:35:58,327 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:58,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:58,327 INFO L85 PathProgramCache]: Analyzing trace with hash -812693156, now seen corresponding path program 5 times [2024-11-07 15:35:58,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:58,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358939783] [2024-11-07 15:35:58,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:58,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:59,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:59,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358939783] [2024-11-07 15:35:59,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358939783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:59,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:59,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:59,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236784956] [2024-11-07 15:35:59,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:59,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:59,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:59,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:59,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:00,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:00,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 938 transitions, 12103 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:00,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:00,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:00,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:03,392 INFO L124 PetriNetUnfolderBase]: 3938/13413 cut-off events. [2024-11-07 15:36:03,393 INFO L125 PetriNetUnfolderBase]: For 80202/80829 co-relation queries the response was YES. [2024-11-07 15:36:03,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56388 conditions, 13413 events. 3938/13413 cut-off events. For 80202/80829 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 144309 event pairs, 362 based on Foata normal form. 162/13381 useless extension candidates. Maximal degree in co-relation 56195. Up to 2936 conditions per place. [2024-11-07 15:36:03,467 INFO L140 encePairwiseOnDemand]: 257/293 looper letters, 521 selfloop transitions, 449 changer transitions 3/1225 dead transitions. [2024-11-07 15:36:03,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1225 transitions, 18098 flow [2024-11-07 15:36:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 15:36:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 15:36:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3477 transitions. [2024-11-07 15:36:03,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7911262798634813 [2024-11-07 15:36:03,470 INFO L175 Difference]: Start difference. First operand has 421 places, 938 transitions, 12103 flow. Second operand 15 states and 3477 transitions. [2024-11-07 15:36:03,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 1225 transitions, 18098 flow [2024-11-07 15:36:03,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1225 transitions, 17903 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-07 15:36:03,755 INFO L231 Difference]: Finished difference. Result has 437 places, 1075 transitions, 16735 flow [2024-11-07 15:36:03,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=11993, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16735, PETRI_PLACES=437, PETRI_TRANSITIONS=1075} [2024-11-07 15:36:03,756 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 141 predicate places. [2024-11-07 15:36:03,757 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 1075 transitions, 16735 flow [2024-11-07 15:36:03,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:03,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:03,764 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:03,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:36:03,764 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:03,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:03,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1721565160, now seen corresponding path program 6 times [2024-11-07 15:36:03,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:03,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679511740] [2024-11-07 15:36:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:04,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:04,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679511740] [2024-11-07 15:36:04,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679511740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:04,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:04,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:04,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550616090] [2024-11-07 15:36:04,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:04,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:04,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:04,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:04,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:05,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:05,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 1075 transitions, 16735 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:05,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:05,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:05,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:08,940 INFO L124 PetriNetUnfolderBase]: 4275/14539 cut-off events. [2024-11-07 15:36:08,940 INFO L125 PetriNetUnfolderBase]: For 112929/113596 co-relation queries the response was YES. [2024-11-07 15:36:09,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64000 conditions, 14539 events. 4275/14539 cut-off events. For 112929/113596 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 159371 event pairs, 367 based on Foata normal form. 184/14519 useless extension candidates. Maximal degree in co-relation 63797. Up to 2833 conditions per place. [2024-11-07 15:36:09,065 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 520 selfloop transitions, 501 changer transitions 1/1274 dead transitions. [2024-11-07 15:36:09,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1274 transitions, 21949 flow [2024-11-07 15:36:09,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 15:36:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 15:36:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4093 transitions. [2024-11-07 15:36:09,069 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7760712931361395 [2024-11-07 15:36:09,069 INFO L175 Difference]: Start difference. First operand has 437 places, 1075 transitions, 16735 flow. Second operand 18 states and 4093 transitions. [2024-11-07 15:36:09,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1274 transitions, 21949 flow [2024-11-07 15:36:09,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 1274 transitions, 21862 flow, removed 41 selfloop flow, removed 3 redundant places. [2024-11-07 15:36:09,537 INFO L231 Difference]: Finished difference. Result has 459 places, 1147 transitions, 20449 flow [2024-11-07 15:36:09,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=16670, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=20449, PETRI_PLACES=459, PETRI_TRANSITIONS=1147} [2024-11-07 15:36:09,539 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 163 predicate places. [2024-11-07 15:36:09,539 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 1147 transitions, 20449 flow [2024-11-07 15:36:09,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:09,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:09,541 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:09,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:36:09,541 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:09,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:09,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2139935972, now seen corresponding path program 7 times [2024-11-07 15:36:09,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:09,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133762127] [2024-11-07 15:36:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:10,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:10,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133762127] [2024-11-07 15:36:10,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133762127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:10,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:10,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:10,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114945042] [2024-11-07 15:36:10,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:10,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:10,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:10,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:10,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:11,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:11,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 1147 transitions, 20449 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:11,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:11,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:11,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:16,023 INFO L124 PetriNetUnfolderBase]: 5581/18896 cut-off events. [2024-11-07 15:36:16,023 INFO L125 PetriNetUnfolderBase]: For 168557/169556 co-relation queries the response was YES. [2024-11-07 15:36:16,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84657 conditions, 18896 events. 5581/18896 cut-off events. For 168557/169556 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 220582 event pairs, 421 based on Foata normal form. 299/18936 useless extension candidates. Maximal degree in co-relation 84445. Up to 3902 conditions per place. [2024-11-07 15:36:16,218 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 575 selfloop transitions, 605 changer transitions 4/1436 dead transitions. [2024-11-07 15:36:16,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 1436 transitions, 27865 flow [2024-11-07 15:36:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 15:36:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 15:36:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4588 transitions. [2024-11-07 15:36:16,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7829351535836178 [2024-11-07 15:36:16,224 INFO L175 Difference]: Start difference. First operand has 459 places, 1147 transitions, 20449 flow. Second operand 20 states and 4588 transitions. [2024-11-07 15:36:16,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 1436 transitions, 27865 flow [2024-11-07 15:36:17,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 1436 transitions, 27790 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-07 15:36:17,067 INFO L231 Difference]: Finished difference. Result has 480 places, 1273 transitions, 26301 flow [2024-11-07 15:36:17,068 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=20380, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=26301, PETRI_PLACES=480, PETRI_TRANSITIONS=1273} [2024-11-07 15:36:17,068 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 184 predicate places. [2024-11-07 15:36:17,068 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 1273 transitions, 26301 flow [2024-11-07 15:36:17,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:17,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:17,069 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:17,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:36:17,069 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:17,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:17,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2062492008, now seen corresponding path program 8 times [2024-11-07 15:36:17,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:17,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361618510] [2024-11-07 15:36:17,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:17,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:17,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361618510] [2024-11-07 15:36:17,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361618510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:17,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:17,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:17,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986520802] [2024-11-07 15:36:17,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:17,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:17,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:17,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:18,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:18,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 1273 transitions, 26301 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:18,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:18,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:18,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:24,613 INFO L124 PetriNetUnfolderBase]: 5953/20172 cut-off events. [2024-11-07 15:36:24,613 INFO L125 PetriNetUnfolderBase]: For 229103/230435 co-relation queries the response was YES. [2024-11-07 15:36:24,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94894 conditions, 20172 events. 5953/20172 cut-off events. For 229103/230435 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 238559 event pairs, 531 based on Foata normal form. 472/20361 useless extension candidates. Maximal degree in co-relation 94671. Up to 3957 conditions per place. [2024-11-07 15:36:24,777 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 674 selfloop transitions, 610 changer transitions 1/1537 dead transitions. [2024-11-07 15:36:24,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1537 transitions, 33647 flow [2024-11-07 15:36:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:36:24,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:36:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4322 transitions. [2024-11-07 15:36:24,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7763606969642536 [2024-11-07 15:36:24,779 INFO L175 Difference]: Start difference. First operand has 480 places, 1273 transitions, 26301 flow. Second operand 19 states and 4322 transitions. [2024-11-07 15:36:24,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 1537 transitions, 33647 flow [2024-11-07 15:36:25,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 1537 transitions, 33555 flow, removed 30 selfloop flow, removed 7 redundant places. [2024-11-07 15:36:25,755 INFO L231 Difference]: Finished difference. Result has 498 places, 1364 transitions, 30829 flow [2024-11-07 15:36:25,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=26213, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=30829, PETRI_PLACES=498, PETRI_TRANSITIONS=1364} [2024-11-07 15:36:25,759 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 202 predicate places. [2024-11-07 15:36:25,759 INFO L471 AbstractCegarLoop]: Abstraction has has 498 places, 1364 transitions, 30829 flow [2024-11-07 15:36:25,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:25,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:25,760 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:25,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:36:25,760 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:25,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash 270774550, now seen corresponding path program 9 times [2024-11-07 15:36:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:25,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004052228] [2024-11-07 15:36:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:26,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:26,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004052228] [2024-11-07 15:36:26,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004052228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:26,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:26,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:26,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090345797] [2024-11-07 15:36:26,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:26,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:26,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:26,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:28,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:28,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 1364 transitions, 30829 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:28,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:28,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:28,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:35,092 INFO L124 PetriNetUnfolderBase]: 6558/22134 cut-off events. [2024-11-07 15:36:35,092 INFO L125 PetriNetUnfolderBase]: For 285192/286595 co-relation queries the response was YES. [2024-11-07 15:36:35,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107445 conditions, 22134 events. 6558/22134 cut-off events. For 285192/286595 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 267219 event pairs, 478 based on Foata normal form. 479/22320 useless extension candidates. Maximal degree in co-relation 107215. Up to 4365 conditions per place. [2024-11-07 15:36:35,363 INFO L140 encePairwiseOnDemand]: 256/293 looper letters, 684 selfloop transitions, 692 changer transitions 4/1632 dead transitions. [2024-11-07 15:36:35,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 1632 transitions, 38630 flow [2024-11-07 15:36:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 15:36:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 15:36:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5034 transitions. [2024-11-07 15:36:35,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7809494260006206 [2024-11-07 15:36:35,367 INFO L175 Difference]: Start difference. First operand has 498 places, 1364 transitions, 30829 flow. Second operand 22 states and 5034 transitions. [2024-11-07 15:36:35,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 1632 transitions, 38630 flow [2024-11-07 15:36:36,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 1632 transitions, 38445 flow, removed 57 selfloop flow, removed 9 redundant places. [2024-11-07 15:36:36,552 INFO L231 Difference]: Finished difference. Result has 519 places, 1456 transitions, 36498 flow [2024-11-07 15:36:36,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=30662, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=602, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=36498, PETRI_PLACES=519, PETRI_TRANSITIONS=1456} [2024-11-07 15:36:36,554 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 223 predicate places. [2024-11-07 15:36:36,554 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 1456 transitions, 36498 flow [2024-11-07 15:36:36,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:36,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:36,555 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:36,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:36:36,555 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:36,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:36,556 INFO L85 PathProgramCache]: Analyzing trace with hash -883006792, now seen corresponding path program 10 times [2024-11-07 15:36:36,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:36,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286760264] [2024-11-07 15:36:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:36,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:37,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286760264] [2024-11-07 15:36:37,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286760264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:37,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:37,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044608842] [2024-11-07 15:36:37,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:37,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:37,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:37,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:38,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:38,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 1456 transitions, 36498 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:38,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:38,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:38,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:45,252 INFO L124 PetriNetUnfolderBase]: 6882/23228 cut-off events. [2024-11-07 15:36:45,252 INFO L125 PetriNetUnfolderBase]: For 345613/347075 co-relation queries the response was YES. [2024-11-07 15:36:45,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116786 conditions, 23228 events. 6882/23228 cut-off events. For 345613/347075 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 283489 event pairs, 437 based on Foata normal form. 530/23472 useless extension candidates. Maximal degree in co-relation 116547. Up to 4592 conditions per place. [2024-11-07 15:36:45,764 INFO L140 encePairwiseOnDemand]: 260/293 looper letters, 701 selfloop transitions, 723 changer transitions 1/1677 dead transitions. [2024-11-07 15:36:45,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 1677 transitions, 43990 flow [2024-11-07 15:36:45,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:36:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:36:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4319 transitions. [2024-11-07 15:36:45,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7758218070774205 [2024-11-07 15:36:45,771 INFO L175 Difference]: Start difference. First operand has 519 places, 1456 transitions, 36498 flow. Second operand 19 states and 4319 transitions. [2024-11-07 15:36:45,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 1677 transitions, 43990 flow [2024-11-07 15:36:47,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 1677 transitions, 43807 flow, removed 53 selfloop flow, removed 12 redundant places. [2024-11-07 15:36:47,060 INFO L231 Difference]: Finished difference. Result has 532 places, 1533 transitions, 41891 flow [2024-11-07 15:36:47,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=36315, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=647, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=739, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=41891, PETRI_PLACES=532, PETRI_TRANSITIONS=1533} [2024-11-07 15:36:47,062 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 236 predicate places. [2024-11-07 15:36:47,062 INFO L471 AbstractCegarLoop]: Abstraction has has 532 places, 1533 transitions, 41891 flow [2024-11-07 15:36:47,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:47,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:47,063 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:47,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 15:36:47,064 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:47,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash -947318054, now seen corresponding path program 11 times [2024-11-07 15:36:47,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:47,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39800994] [2024-11-07 15:36:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:47,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:47,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:47,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39800994] [2024-11-07 15:36:47,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39800994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:47,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:47,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:47,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249528042] [2024-11-07 15:36:47,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:47,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:47,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:47,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:47,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:48,509 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 293 [2024-11-07 15:36:48,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1533 transitions, 41891 flow. Second operand has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:48,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:48,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 293 [2024-11-07 15:36:48,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:56,685 INFO L124 PetriNetUnfolderBase]: 7596/25546 cut-off events. [2024-11-07 15:36:56,686 INFO L125 PetriNetUnfolderBase]: For 451887/453514 co-relation queries the response was YES. [2024-11-07 15:36:56,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133398 conditions, 25546 events. 7596/25546 cut-off events. For 451887/453514 co-relation queries the response was YES. Maximal size of possible extension queue 962. Compared 316968 event pairs, 528 based on Foata normal form. 589/25808 useless extension candidates. Maximal degree in co-relation 133152. Up to 5040 conditions per place. [2024-11-07 15:36:56,988 INFO L140 encePairwiseOnDemand]: 257/293 looper letters, 802 selfloop transitions, 792 changer transitions 3/1849 dead transitions. [2024-11-07 15:36:56,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1849 transitions, 51968 flow [2024-11-07 15:36:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:36:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:36:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4799 transitions. [2024-11-07 15:36:56,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799447424020803 [2024-11-07 15:36:56,993 INFO L175 Difference]: Start difference. First operand has 532 places, 1533 transitions, 41891 flow. Second operand 21 states and 4799 transitions. [2024-11-07 15:36:56,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1849 transitions, 51968 flow [2024-11-07 15:36:58,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 1849 transitions, 51591 flow, removed 49 selfloop flow, removed 12 redundant places. [2024-11-07 15:36:58,984 INFO L231 Difference]: Finished difference. Result has 549 places, 1644 transitions, 48860 flow [2024-11-07 15:36:58,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=41538, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=750, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=48860, PETRI_PLACES=549, PETRI_TRANSITIONS=1644} [2024-11-07 15:36:58,985 INFO L277 CegarLoopForPetriNet]: 296 programPoint places, 253 predicate places. [2024-11-07 15:36:58,985 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 1644 transitions, 48860 flow [2024-11-07 15:36:58,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 219.69230769230768) internal successors, (2856), 13 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:58,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:58,986 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:58,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 15:36:58,986 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:58,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash -61949206, now seen corresponding path program 12 times [2024-11-07 15:36:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:58,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496855284] [2024-11-07 15:36:58,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:58,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:59,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:59,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496855284] [2024-11-07 15:36:59,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496855284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:59,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:59,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:59,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146346908] [2024-11-07 15:36:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:59,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:59,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156