./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.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_01-list_rc.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', '3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc'] 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_01-list_rc.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 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:34:41,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:34:41,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:34:41,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:34:41,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:34:41,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:34:41,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:34:41,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:34:41,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:34:41,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:34:41,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:34:41,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:34:41,810 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:34:41,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:34:41,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:34:41,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:34:41,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:34:41,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:34:41,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:34:41,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:34:41,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:34:41,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:34:41,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:34:41,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:34:41,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:34:41,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:34:41,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:34:41,813 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 -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2024-11-07 15:34:42,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:34:42,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:34:42,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:34:42,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:34:42,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:34:42,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-07 15:34:43,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:34:43,387 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:34:43,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-07 15:34:43,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e97692ee6/666d6f3452824e5299da5af680a7fc44/FLAGba5192a88 [2024-11-07 15:34:43,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e97692ee6/666d6f3452824e5299da5af680a7fc44 [2024-11-07 15:34:43,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:34:43,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:34:43,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:34:43,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:34:43,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:34:43,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:34:43" (1/1) ... [2024-11-07 15:34:43,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaf7211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:43, skipping insertion in model container [2024-11-07 15:34:43,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:34:43" (1/1) ... [2024-11-07 15:34:43,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:34:43,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:34:43,985 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:34:44,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:34:44,102 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:34:44,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44 WrapperNode [2024-11-07 15:34:44,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:34:44,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:34:44,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:34:44,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:34:44,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,139 INFO L138 Inliner]: procedures = 368, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-11-07 15:34:44,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:34:44,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:34:44,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:34:44,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:34:44,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:34:44,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:34:44,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:34:44,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:34:44,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (1/1) ... [2024-11-07 15:34:44,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:34:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:44,212 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 15:34:44,214 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 15:34:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:34:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:34:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:34:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:34:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:34:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:34:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:34:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:34:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:34:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:34:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:34:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:34:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:34:44,232 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 15:34:44,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:34:44,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:34:44,621 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:34:44,621 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:34:44,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:34:44,641 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:34:44,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:34:44 BoogieIcfgContainer [2024-11-07 15:34:44,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:34:44,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:34:44,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:34:44,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:34:44,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:34:43" (1/3) ... [2024-11-07 15:34:44,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d27416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:34:44, skipping insertion in model container [2024-11-07 15:34:44,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:44" (2/3) ... [2024-11-07 15:34:44,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d27416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:34:44, skipping insertion in model container [2024-11-07 15:34:44,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:34:44" (3/3) ... [2024-11-07 15:34:44,649 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2024-11-07 15:34:44,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:34:44,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-07 15:34:44,663 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:34:44,727 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:34:44,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 199 transitions, 402 flow [2024-11-07 15:34:44,811 INFO L124 PetriNetUnfolderBase]: 0/198 cut-off events. [2024-11-07 15:34:44,815 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:44,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 198 events. 0/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-07 15:34:44,819 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 199 transitions, 402 flow [2024-11-07 15:34:44,823 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 198 transitions, 399 flow [2024-11-07 15:34:44,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:34:44,853 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;@8a7546a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:34:44,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-07 15:34:44,864 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:34:44,867 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-11-07 15:34:44,867 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:44,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:44,869 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] [2024-11-07 15:34:44,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:44,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 591670127, now seen corresponding path program 1 times [2024-11-07 15:34:44,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:44,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347794007] [2024-11-07 15:34:44,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:44,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:45,428 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 15:34:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347794007] [2024-11-07 15:34:45,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347794007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:45,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:45,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:45,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179511994] [2024-11-07 15:34:45,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:45,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:45,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:45,790 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-11-07 15:34:45,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 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 15:34:45,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:45,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-11-07 15:34:45,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:45,991 INFO L124 PetriNetUnfolderBase]: 220/1022 cut-off events. [2024-11-07 15:34:45,992 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:34:45,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1022 events. 220/1022 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5351 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-11-07 15:34:46,001 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/196 dead transitions. [2024-11-07 15:34:46,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 509 flow [2024-11-07 15:34:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-11-07 15:34:46,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-11-07 15:34:46,018 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 399 flow. Second operand 6 states and 899 transitions. [2024-11-07 15:34:46,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 509 flow [2024-11-07 15:34:46,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:46,025 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 414 flow [2024-11-07 15:34:46,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-11-07 15:34:46,029 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 2 predicate places. [2024-11-07 15:34:46,029 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 414 flow [2024-11-07 15:34:46,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 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 15:34:46,029 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:46,029 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] [2024-11-07 15:34:46,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:34:46,030 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:46,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1151147682, now seen corresponding path program 1 times [2024-11-07 15:34:46,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:46,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805908427] [2024-11-07 15:34:46,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:46,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:46,328 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 15:34:46,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:46,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805908427] [2024-11-07 15:34:46,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805908427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:46,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:46,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:46,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792536874] [2024-11-07 15:34:46,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:46,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:46,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:46,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:46,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-11-07 15:34:46,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 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 15:34:46,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:46,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-11-07 15:34:46,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:46,749 INFO L124 PetriNetUnfolderBase]: 220/1020 cut-off events. [2024-11-07 15:34:46,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:46,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 1020 events. 220/1020 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5380 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-11-07 15:34:46,755 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/194 dead transitions. [2024-11-07 15:34:46,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 524 flow [2024-11-07 15:34:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-11-07 15:34:46,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-11-07 15:34:46,758 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 414 flow. Second operand 6 states and 899 transitions. [2024-11-07 15:34:46,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 524 flow [2024-11-07 15:34:46,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 194 transitions, 504 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:34:46,763 INFO L231 Difference]: Finished difference. Result has 202 places, 194 transitions, 410 flow [2024-11-07 15:34:46,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2024-11-07 15:34:46,764 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 0 predicate places. [2024-11-07 15:34:46,764 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 410 flow [2024-11-07 15:34:46,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 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 15:34:46,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:46,765 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] [2024-11-07 15:34:46,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:34:46,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:46,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:46,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1922634844, now seen corresponding path program 1 times [2024-11-07 15:34:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:46,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150218367] [2024-11-07 15:34:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:46,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:46,810 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 15:34:46,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:46,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150218367] [2024-11-07 15:34:46,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150218367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:46,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:46,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:34:46,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752970350] [2024-11-07 15:34:46,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:46,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:34:46,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:46,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:34:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:34:46,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 199 [2024-11-07 15:34:46,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 194 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 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 15:34:46,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:46,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 199 [2024-11-07 15:34:46,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:46,884 INFO L124 PetriNetUnfolderBase]: 16/329 cut-off events. [2024-11-07 15:34:46,884 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:46,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 329 events. 16/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 760 event pairs, 16 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-11-07 15:34:46,886 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 14 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-11-07 15:34:46,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 193 transitions, 440 flow [2024-11-07 15:34:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:34:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:34:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-11-07 15:34:46,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430485762144054 [2024-11-07 15:34:46,888 INFO L175 Difference]: Start difference. First operand has 202 places, 194 transitions, 410 flow. Second operand 3 states and 563 transitions. [2024-11-07 15:34:46,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 193 transitions, 440 flow [2024-11-07 15:34:46,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:34:46,892 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 392 flow [2024-11-07 15:34:46,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2024-11-07 15:34:46,893 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -4 predicate places. [2024-11-07 15:34:46,893 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 392 flow [2024-11-07 15:34:46,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 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 15:34:46,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:46,894 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] [2024-11-07 15:34:46,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:34:46,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:46,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:46,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1671024064, now seen corresponding path program 1 times [2024-11-07 15:34:46,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:46,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361524559] [2024-11-07 15:34:46,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:46,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:46,922 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 15:34:46,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361524559] [2024-11-07 15:34:46,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361524559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:46,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:46,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:34:46,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063483153] [2024-11-07 15:34:46,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:46,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:34:46,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:46,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:34:46,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:34:46,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 199 [2024-11-07 15:34:46,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 15:34:46,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:46,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 199 [2024-11-07 15:34:46,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:46,990 INFO L124 PetriNetUnfolderBase]: 24/406 cut-off events. [2024-11-07 15:34:46,991 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:34:46,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 406 events. 24/406 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. 0/375 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-11-07 15:34:46,992 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 15 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2024-11-07 15:34:46,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2024-11-07 15:34:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:34:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:34:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-07 15:34:46,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9296482412060302 [2024-11-07 15:34:46,993 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 392 flow. Second operand 3 states and 555 transitions. [2024-11-07 15:34:46,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2024-11-07 15:34:46,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:34:46,997 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 380 flow [2024-11-07 15:34:46,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2024-11-07 15:34:46,998 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -9 predicate places. [2024-11-07 15:34:46,998 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 380 flow [2024-11-07 15:34:46,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 15:34:46,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:46,999 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] [2024-11-07 15:34:46,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:34:46,999 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:46,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:46,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1346216130, now seen corresponding path program 1 times [2024-11-07 15:34:46,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:46,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577604489] [2024-11-07 15:34:47,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:47,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:47,348 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 15:34:47,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:47,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577604489] [2024-11-07 15:34:47,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577604489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:47,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:47,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:47,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102781002] [2024-11-07 15:34:47,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:47,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:47,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:47,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:47,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 199 [2024-11-07 15:34:47,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 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 15:34:47,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:47,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 199 [2024-11-07 15:34:47,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:47,712 INFO L124 PetriNetUnfolderBase]: 288/1159 cut-off events. [2024-11-07 15:34:47,712 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:47,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 1159 events. 288/1159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6281 event pairs, 288 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-11-07 15:34:47,718 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 58 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-11-07 15:34:47,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 187 transitions, 504 flow [2024-11-07 15:34:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2024-11-07 15:34:47,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7319932998324958 [2024-11-07 15:34:47,721 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 380 flow. Second operand 6 states and 874 transitions. [2024-11-07 15:34:47,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 187 transitions, 504 flow [2024-11-07 15:34:47,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:47,723 INFO L231 Difference]: Finished difference. Result has 196 places, 187 transitions, 387 flow [2024-11-07 15:34:47,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=196, PETRI_TRANSITIONS=187} [2024-11-07 15:34:47,724 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -6 predicate places. [2024-11-07 15:34:47,724 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 187 transitions, 387 flow [2024-11-07 15:34:47,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 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 15:34:47,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:47,725 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] [2024-11-07 15:34:47,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:34:47,725 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:47,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:47,725 INFO L85 PathProgramCache]: Analyzing trace with hash 986575562, now seen corresponding path program 1 times [2024-11-07 15:34:47,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:47,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364207930] [2024-11-07 15:34:47,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:47,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:48,164 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 15:34:48,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:48,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364207930] [2024-11-07 15:34:48,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364207930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:48,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:48,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:48,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716669455] [2024-11-07 15:34:48,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:48,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:48,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:48,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:48,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 199 [2024-11-07 15:34:48,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 187 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 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 15:34:48,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:48,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 199 [2024-11-07 15:34:48,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:48,710 INFO L124 PetriNetUnfolderBase]: 316/1485 cut-off events. [2024-11-07 15:34:48,711 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:34:48,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1485 events. 316/1485 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9183 event pairs, 36 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-11-07 15:34:48,715 INFO L140 encePairwiseOnDemand]: 171/199 looper letters, 99 selfloop transitions, 70 changer transitions 0/299 dead transitions. [2024-11-07 15:34:48,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 299 transitions, 949 flow [2024-11-07 15:34:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1023 transitions. [2024-11-07 15:34:48,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8567839195979899 [2024-11-07 15:34:48,717 INFO L175 Difference]: Start difference. First operand has 196 places, 187 transitions, 387 flow. Second operand 6 states and 1023 transitions. [2024-11-07 15:34:48,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 299 transitions, 949 flow [2024-11-07 15:34:48,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 299 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:34:48,722 INFO L231 Difference]: Finished difference. Result has 200 places, 257 transitions, 855 flow [2024-11-07 15:34:48,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=855, PETRI_PLACES=200, PETRI_TRANSITIONS=257} [2024-11-07 15:34:48,723 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-11-07 15:34:48,723 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 257 transitions, 855 flow [2024-11-07 15:34:48,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 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 15:34:48,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:48,723 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] [2024-11-07 15:34:48,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:34:48,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:48,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:48,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1434126713, now seen corresponding path program 1 times [2024-11-07 15:34:48,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:48,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775899577] [2024-11-07 15:34:48,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:48,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:49,008 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 15:34:49,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:49,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775899577] [2024-11-07 15:34:49,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775899577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:49,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:49,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:49,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231081357] [2024-11-07 15:34:49,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:49,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:49,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:49,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:49,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:49,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 199 [2024-11-07 15:34:49,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 257 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 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 15:34:49,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:49,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 199 [2024-11-07 15:34:49,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:49,408 INFO L124 PetriNetUnfolderBase]: 588/2256 cut-off events. [2024-11-07 15:34:49,409 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-11-07 15:34:49,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2256 events. 588/2256 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15135 event pairs, 222 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-11-07 15:34:49,417 INFO L140 encePairwiseOnDemand]: 184/199 looper letters, 106 selfloop transitions, 48 changer transitions 0/308 dead transitions. [2024-11-07 15:34:49,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 308 transitions, 1335 flow [2024-11-07 15:34:49,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 960 transitions. [2024-11-07 15:34:49,420 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8040201005025126 [2024-11-07 15:34:49,420 INFO L175 Difference]: Start difference. First operand has 200 places, 257 transitions, 855 flow. Second operand 6 states and 960 transitions. [2024-11-07 15:34:49,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 308 transitions, 1335 flow [2024-11-07 15:34:49,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 308 transitions, 1335 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:49,429 INFO L231 Difference]: Finished difference. Result has 210 places, 300 transitions, 1243 flow [2024-11-07 15:34:49,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1243, PETRI_PLACES=210, PETRI_TRANSITIONS=300} [2024-11-07 15:34:49,431 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 8 predicate places. [2024-11-07 15:34:49,431 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 300 transitions, 1243 flow [2024-11-07 15:34:49,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 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 15:34:49,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:49,432 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] [2024-11-07 15:34:49,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:34:49,432 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:49,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1941046839, now seen corresponding path program 1 times [2024-11-07 15:34:49,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:49,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916680395] [2024-11-07 15:34:49,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:49,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:49,707 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 15:34:49,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916680395] [2024-11-07 15:34:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916680395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:49,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:49,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664885724] [2024-11-07 15:34:49,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:49,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:49,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:49,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:49,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 199 [2024-11-07 15:34:49,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 300 transitions, 1243 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 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 15:34:49,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:49,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 199 [2024-11-07 15:34:49,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:50,313 INFO L124 PetriNetUnfolderBase]: 754/2786 cut-off events. [2024-11-07 15:34:50,313 INFO L125 PetriNetUnfolderBase]: For 1613/1665 co-relation queries the response was YES. [2024-11-07 15:34:50,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6544 conditions, 2786 events. 754/2786 cut-off events. For 1613/1665 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19688 event pairs, 86 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 6468. Up to 1009 conditions per place. [2024-11-07 15:34:50,331 INFO L140 encePairwiseOnDemand]: 176/199 looper letters, 128 selfloop transitions, 136 changer transitions 4/440 dead transitions. [2024-11-07 15:34:50,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 440 transitions, 2535 flow [2024-11-07 15:34:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1018 transitions. [2024-11-07 15:34:50,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8525963149078727 [2024-11-07 15:34:50,334 INFO L175 Difference]: Start difference. First operand has 210 places, 300 transitions, 1243 flow. Second operand 6 states and 1018 transitions. [2024-11-07 15:34:50,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 440 transitions, 2535 flow [2024-11-07 15:34:50,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 440 transitions, 2517 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:50,383 INFO L231 Difference]: Finished difference. Result has 220 places, 431 transitions, 2591 flow [2024-11-07 15:34:50,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2591, PETRI_PLACES=220, PETRI_TRANSITIONS=431} [2024-11-07 15:34:50,384 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 18 predicate places. [2024-11-07 15:34:50,384 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 431 transitions, 2591 flow [2024-11-07 15:34:50,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 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 15:34:50,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:50,384 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] [2024-11-07 15:34:50,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:34:50,384 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:50,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:50,385 INFO L85 PathProgramCache]: Analyzing trace with hash -855917372, now seen corresponding path program 1 times [2024-11-07 15:34:50,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:50,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896836783] [2024-11-07 15:34:50,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:50,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:50,901 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 15:34:50,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:50,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896836783] [2024-11-07 15:34:50,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896836783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:50,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:50,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:34:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293461673] [2024-11-07 15:34:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:50,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:34:50,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:34:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:34:51,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:34:51,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 431 transitions, 2591 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:51,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:51,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:34:51,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:52,797 INFO L124 PetriNetUnfolderBase]: 1151/4146 cut-off events. [2024-11-07 15:34:52,797 INFO L125 PetriNetUnfolderBase]: For 5339/5438 co-relation queries the response was YES. [2024-11-07 15:34:52,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11912 conditions, 4146 events. 1151/4146 cut-off events. For 5339/5438 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 33236 event pairs, 94 based on Foata normal form. 35/4083 useless extension candidates. Maximal degree in co-relation 11828. Up to 880 conditions per place. [2024-11-07 15:34:52,822 INFO L140 encePairwiseOnDemand]: 162/199 looper letters, 349 selfloop transitions, 159 changer transitions 4/655 dead transitions. [2024-11-07 15:34:52,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 655 transitions, 5031 flow [2024-11-07 15:34:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 15:34:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 15:34:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2077 transitions. [2024-11-07 15:34:52,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7455132806891601 [2024-11-07 15:34:52,827 INFO L175 Difference]: Start difference. First operand has 220 places, 431 transitions, 2591 flow. Second operand 14 states and 2077 transitions. [2024-11-07 15:34:52,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 655 transitions, 5031 flow [2024-11-07 15:34:52,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 655 transitions, 4959 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:52,850 INFO L231 Difference]: Finished difference. Result has 243 places, 494 transitions, 3864 flow [2024-11-07 15:34:52,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=2555, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3864, PETRI_PLACES=243, PETRI_TRANSITIONS=494} [2024-11-07 15:34:52,851 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 41 predicate places. [2024-11-07 15:34:52,852 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 494 transitions, 3864 flow [2024-11-07 15:34:52,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:52,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:52,853 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] [2024-11-07 15:34:52,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:34:52,853 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:52,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:52,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1426410300, now seen corresponding path program 2 times [2024-11-07 15:34:52,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:52,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291293577] [2024-11-07 15:34:52,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:52,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:53,255 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 15:34:53,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291293577] [2024-11-07 15:34:53,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291293577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:53,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:53,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:34:53,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517616163] [2024-11-07 15:34:53,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:53,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:34:53,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:53,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:34:53,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:34:54,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:34:54,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 494 transitions, 3864 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:54,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:54,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:34:54,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:55,025 INFO L124 PetriNetUnfolderBase]: 1263/4513 cut-off events. [2024-11-07 15:34:55,025 INFO L125 PetriNetUnfolderBase]: For 9507/9604 co-relation queries the response was YES. [2024-11-07 15:34:55,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14418 conditions, 4513 events. 1263/4513 cut-off events. For 9507/9604 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 36339 event pairs, 93 based on Foata normal form. 39/4430 useless extension candidates. Maximal degree in co-relation 14320. Up to 891 conditions per place. [2024-11-07 15:34:55,056 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 440 selfloop transitions, 103 changer transitions 0/686 dead transitions. [2024-11-07 15:34:55,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 686 transitions, 6408 flow [2024-11-07 15:34:55,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:34:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:34:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2654 transitions. [2024-11-07 15:34:55,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.701930706162391 [2024-11-07 15:34:55,061 INFO L175 Difference]: Start difference. First operand has 243 places, 494 transitions, 3864 flow. Second operand 19 states and 2654 transitions. [2024-11-07 15:34:55,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 686 transitions, 6408 flow [2024-11-07 15:34:55,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 686 transitions, 6403 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 15:34:55,123 INFO L231 Difference]: Finished difference. Result has 267 places, 549 transitions, 4679 flow [2024-11-07 15:34:55,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=3859, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4679, PETRI_PLACES=267, PETRI_TRANSITIONS=549} [2024-11-07 15:34:55,124 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 65 predicate places. [2024-11-07 15:34:55,124 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 549 transitions, 4679 flow [2024-11-07 15:34:55,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:55,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:55,125 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] [2024-11-07 15:34:55,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:34:55,125 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:55,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:55,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1131412442, now seen corresponding path program 3 times [2024-11-07 15:34:55,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:55,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502967935] [2024-11-07 15:34:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:55,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:55,580 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 15:34:55,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:55,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502967935] [2024-11-07 15:34:55,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502967935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:55,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:55,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:34:55,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197701996] [2024-11-07 15:34:55,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:55,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:34:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:34:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:34:56,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:34:56,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 549 transitions, 4679 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:56,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:56,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:34:56,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:57,571 INFO L124 PetriNetUnfolderBase]: 1757/6357 cut-off events. [2024-11-07 15:34:57,571 INFO L125 PetriNetUnfolderBase]: For 18243/18448 co-relation queries the response was YES. [2024-11-07 15:34:57,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21506 conditions, 6357 events. 1757/6357 cut-off events. For 18243/18448 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 58019 event pairs, 162 based on Foata normal form. 49/6247 useless extension candidates. Maximal degree in co-relation 21398. Up to 1877 conditions per place. [2024-11-07 15:34:57,603 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 417 selfloop transitions, 204 changer transitions 1/765 dead transitions. [2024-11-07 15:34:57,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 765 transitions, 8082 flow [2024-11-07 15:34:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 15:34:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 15:34:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2111 transitions. [2024-11-07 15:34:57,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7072026800670017 [2024-11-07 15:34:57,606 INFO L175 Difference]: Start difference. First operand has 267 places, 549 transitions, 4679 flow. Second operand 15 states and 2111 transitions. [2024-11-07 15:34:57,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 765 transitions, 8082 flow [2024-11-07 15:34:57,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 765 transitions, 8041 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-07 15:34:57,655 INFO L231 Difference]: Finished difference. Result has 286 places, 653 transitions, 6958 flow [2024-11-07 15:34:57,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=4653, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6958, PETRI_PLACES=286, PETRI_TRANSITIONS=653} [2024-11-07 15:34:57,656 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 84 predicate places. [2024-11-07 15:34:57,656 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 653 transitions, 6958 flow [2024-11-07 15:34:57,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:57,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:57,657 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] [2024-11-07 15:34:57,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:34:57,657 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:34:57,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:57,657 INFO L85 PathProgramCache]: Analyzing trace with hash 684030540, now seen corresponding path program 4 times [2024-11-07 15:34:57,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:57,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135624951] [2024-11-07 15:34:57,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:57,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:58,068 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 15:34:58,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:58,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135624951] [2024-11-07 15:34:58,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135624951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:58,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:34:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362802306] [2024-11-07 15:34:58,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:58,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:34:58,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:34:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:34:59,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:34:59,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 653 transitions, 6958 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:34:59,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:59,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:34:59,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:00,717 INFO L124 PetriNetUnfolderBase]: 2402/8635 cut-off events. [2024-11-07 15:35:00,717 INFO L125 PetriNetUnfolderBase]: For 36117/36411 co-relation queries the response was YES. [2024-11-07 15:35:00,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31298 conditions, 8635 events. 2402/8635 cut-off events. For 36117/36411 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 85334 event pairs, 231 based on Foata normal form. 82/8516 useless extension candidates. Maximal degree in co-relation 31179. Up to 1704 conditions per place. [2024-11-07 15:35:00,764 INFO L140 encePairwiseOnDemand]: 164/199 looper letters, 511 selfloop transitions, 329 changer transitions 2/985 dead transitions. [2024-11-07 15:35:00,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 985 transitions, 12297 flow [2024-11-07 15:35:00,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2718 transitions. [2024-11-07 15:35:00,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7188574451203386 [2024-11-07 15:35:00,773 INFO L175 Difference]: Start difference. First operand has 286 places, 653 transitions, 6958 flow. Second operand 19 states and 2718 transitions. [2024-11-07 15:35:00,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 985 transitions, 12297 flow [2024-11-07 15:35:00,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 985 transitions, 12270 flow, removed 11 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:00,870 INFO L231 Difference]: Finished difference. Result has 316 places, 787 transitions, 10473 flow [2024-11-07 15:35:00,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=6931, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10473, PETRI_PLACES=316, PETRI_TRANSITIONS=787} [2024-11-07 15:35:00,871 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 114 predicate places. [2024-11-07 15:35:00,873 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 787 transitions, 10473 flow [2024-11-07 15:35:00,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:00,873 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:00,873 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] [2024-11-07 15:35:00,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:35:00,874 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:00,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:00,874 INFO L85 PathProgramCache]: Analyzing trace with hash 18221423, now seen corresponding path program 1 times [2024-11-07 15:35:00,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:00,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994242273] [2024-11-07 15:35:00,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:00,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:01,312 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 15:35:01,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:01,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994242273] [2024-11-07 15:35:01,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994242273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:01,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833171230] [2024-11-07 15:35:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:01,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:01,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:01,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:01,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:02,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 199 [2024-11-07 15:35:02,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 787 transitions, 10473 flow. Second operand has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 0 states have call successors, (0), 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 15:35:02,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:02,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 199 [2024-11-07 15:35:02,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:04,148 INFO L124 PetriNetUnfolderBase]: 2979/10085 cut-off events. [2024-11-07 15:35:04,148 INFO L125 PetriNetUnfolderBase]: For 51829/52143 co-relation queries the response was YES. [2024-11-07 15:35:04,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39012 conditions, 10085 events. 2979/10085 cut-off events. For 51829/52143 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 100061 event pairs, 545 based on Foata normal form. 60/9923 useless extension candidates. Maximal degree in co-relation 38877. Up to 2345 conditions per place. [2024-11-07 15:35:04,225 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 451 selfloop transitions, 179 changer transitions 0/927 dead transitions. [2024-11-07 15:35:04,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 927 transitions, 13143 flow [2024-11-07 15:35:04,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 15:35:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 15:35:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2020 transitions. [2024-11-07 15:35:04,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7250538406317301 [2024-11-07 15:35:04,228 INFO L175 Difference]: Start difference. First operand has 316 places, 787 transitions, 10473 flow. Second operand 14 states and 2020 transitions. [2024-11-07 15:35:04,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 927 transitions, 13143 flow [2024-11-07 15:35:04,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 927 transitions, 13060 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:04,393 INFO L231 Difference]: Finished difference. Result has 331 places, 802 transitions, 11222 flow [2024-11-07 15:35:04,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=10406, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11222, PETRI_PLACES=331, PETRI_TRANSITIONS=802} [2024-11-07 15:35:04,394 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 129 predicate places. [2024-11-07 15:35:04,394 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 802 transitions, 11222 flow [2024-11-07 15:35:04,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 0 states have call successors, (0), 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 15:35:04,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:04,395 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] [2024-11-07 15:35:04,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:35:04,395 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:04,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:04,395 INFO L85 PathProgramCache]: Analyzing trace with hash 573319102, now seen corresponding path program 5 times [2024-11-07 15:35:04,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:04,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032518276] [2024-11-07 15:35:04,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:04,766 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 15:35:04,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:04,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032518276] [2024-11-07 15:35:04,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032518276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:04,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160311919] [2024-11-07 15:35:04,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:04,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:04,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:04,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:05,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:05,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 802 transitions, 11222 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:05,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:05,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:05,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:07,659 INFO L124 PetriNetUnfolderBase]: 3287/11728 cut-off events. [2024-11-07 15:35:07,660 INFO L125 PetriNetUnfolderBase]: For 74877/75402 co-relation queries the response was YES. [2024-11-07 15:35:07,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48217 conditions, 11728 events. 3287/11728 cut-off events. For 74877/75402 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 125051 event pairs, 303 based on Foata normal form. 116/11549 useless extension candidates. Maximal degree in co-relation 48076. Up to 2372 conditions per place. [2024-11-07 15:35:07,752 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 549 selfloop transitions, 404 changer transitions 3/1105 dead transitions. [2024-11-07 15:35:07,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1105 transitions, 17109 flow [2024-11-07 15:35:07,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 15:35:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 15:35:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2860 transitions. [2024-11-07 15:35:07,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7185929648241206 [2024-11-07 15:35:07,755 INFO L175 Difference]: Start difference. First operand has 331 places, 802 transitions, 11222 flow. Second operand 20 states and 2860 transitions. [2024-11-07 15:35:07,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1105 transitions, 17109 flow [2024-11-07 15:35:07,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 1105 transitions, 16922 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-07 15:35:07,981 INFO L231 Difference]: Finished difference. Result has 353 places, 918 transitions, 15162 flow [2024-11-07 15:35:07,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=11098, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15162, PETRI_PLACES=353, PETRI_TRANSITIONS=918} [2024-11-07 15:35:07,982 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 151 predicate places. [2024-11-07 15:35:07,982 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 918 transitions, 15162 flow [2024-11-07 15:35:07,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:07,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:07,983 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] [2024-11-07 15:35:07,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:35:07,983 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:07,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1702271934, now seen corresponding path program 6 times [2024-11-07 15:35:07,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:07,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872081658] [2024-11-07 15:35:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:07,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:08,467 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 15:35:08,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:08,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872081658] [2024-11-07 15:35:08,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872081658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:08,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:08,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:08,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616724479] [2024-11-07 15:35:08,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:08,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:08,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:08,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:08,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:09,131 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:09,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 918 transitions, 15162 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:09,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:09,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:09,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:12,237 INFO L124 PetriNetUnfolderBase]: 4375/15444 cut-off events. [2024-11-07 15:35:12,237 INFO L125 PetriNetUnfolderBase]: For 123465/124302 co-relation queries the response was YES. [2024-11-07 15:35:12,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66806 conditions, 15444 events. 4375/15444 cut-off events. For 123465/124302 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 175112 event pairs, 393 based on Foata normal form. 251/15298 useless extension candidates. Maximal degree in co-relation 66654. Up to 3141 conditions per place. [2024-11-07 15:35:12,349 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 597 selfloop transitions, 493 changer transitions 0/1239 dead transitions. [2024-11-07 15:35:12,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 1239 transitions, 22490 flow [2024-11-07 15:35:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2679 transitions. [2024-11-07 15:35:12,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7085427135678392 [2024-11-07 15:35:12,351 INFO L175 Difference]: Start difference. First operand has 353 places, 918 transitions, 15162 flow. Second operand 19 states and 2679 transitions. [2024-11-07 15:35:12,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 1239 transitions, 22490 flow [2024-11-07 15:35:12,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1239 transitions, 22393 flow, removed 35 selfloop flow, removed 7 redundant places. [2024-11-07 15:35:12,720 INFO L231 Difference]: Finished difference. Result has 373 places, 1042 transitions, 20117 flow [2024-11-07 15:35:12,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=15111, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=373, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=20117, PETRI_PLACES=373, PETRI_TRANSITIONS=1042} [2024-11-07 15:35:12,722 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 171 predicate places. [2024-11-07 15:35:12,722 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 1042 transitions, 20117 flow [2024-11-07 15:35:12,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:12,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:12,724 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] [2024-11-07 15:35:12,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:35:12,724 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:12,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1103292496, now seen corresponding path program 7 times [2024-11-07 15:35:12,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:12,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632052288] [2024-11-07 15:35:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:13,049 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 15:35:13,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:13,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632052288] [2024-11-07 15:35:13,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632052288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:13,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:13,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:13,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323530533] [2024-11-07 15:35:13,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:13,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:13,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:13,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:13,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:13,838 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:13,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 1042 transitions, 20117 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:13,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:13,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:13,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:18,155 INFO L124 PetriNetUnfolderBase]: 4819/16898 cut-off events. [2024-11-07 15:35:18,155 INFO L125 PetriNetUnfolderBase]: For 171671/172729 co-relation queries the response was YES. [2024-11-07 15:35:18,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76764 conditions, 16898 events. 4819/16898 cut-off events. For 171671/172729 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 195814 event pairs, 433 based on Foata normal form. 325/16801 useless extension candidates. Maximal degree in co-relation 76603. Up to 3479 conditions per place. [2024-11-07 15:35:18,723 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 673 selfloop transitions, 505 changer transitions 3/1330 dead transitions. [2024-11-07 15:35:18,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1330 transitions, 26833 flow [2024-11-07 15:35:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 15:35:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 15:35:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3134 transitions. [2024-11-07 15:35:18,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7158519872087711 [2024-11-07 15:35:18,725 INFO L175 Difference]: Start difference. First operand has 373 places, 1042 transitions, 20117 flow. Second operand 22 states and 3134 transitions. [2024-11-07 15:35:18,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 1330 transitions, 26833 flow [2024-11-07 15:35:19,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1330 transitions, 26641 flow, removed 67 selfloop flow, removed 9 redundant places. [2024-11-07 15:35:19,312 INFO L231 Difference]: Finished difference. Result has 394 places, 1126 transitions, 24341 flow [2024-11-07 15:35:19,317 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=19939, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=24341, PETRI_PLACES=394, PETRI_TRANSITIONS=1126} [2024-11-07 15:35:19,317 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 192 predicate places. [2024-11-07 15:35:19,317 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 1126 transitions, 24341 flow [2024-11-07 15:35:19,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:19,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:19,318 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] [2024-11-07 15:35:19,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:35:19,319 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:19,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:19,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1206834866, now seen corresponding path program 8 times [2024-11-07 15:35:19,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:19,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856688267] [2024-11-07 15:35:19,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:19,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:19,943 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 15:35:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856688267] [2024-11-07 15:35:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856688267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:19,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318545915] [2024-11-07 15:35:19,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:19,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:19,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:20,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:20,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1126 transitions, 24341 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:20,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:20,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:20,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:25,402 INFO L124 PetriNetUnfolderBase]: 5122/18011 cut-off events. [2024-11-07 15:35:25,403 INFO L125 PetriNetUnfolderBase]: For 221386/222453 co-relation queries the response was YES. [2024-11-07 15:35:25,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85561 conditions, 18011 events. 5122/18011 cut-off events. For 221386/222453 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 211805 event pairs, 428 based on Foata normal form. 376/17931 useless extension candidates. Maximal degree in co-relation 85391. Up to 3684 conditions per place. [2024-11-07 15:35:25,614 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 630 selfloop transitions, 614 changer transitions 0/1393 dead transitions. [2024-11-07 15:35:25,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1393 transitions, 31507 flow [2024-11-07 15:35:25,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:25,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2680 transitions. [2024-11-07 15:35:25,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7088071938640571 [2024-11-07 15:35:25,617 INFO L175 Difference]: Start difference. First operand has 394 places, 1126 transitions, 24341 flow. Second operand 19 states and 2680 transitions. [2024-11-07 15:35:25,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1393 transitions, 31507 flow [2024-11-07 15:35:26,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1393 transitions, 31359 flow, removed 42 selfloop flow, removed 12 redundant places. [2024-11-07 15:35:26,353 INFO L231 Difference]: Finished difference. Result has 408 places, 1209 transitions, 28714 flow [2024-11-07 15:35:26,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24193, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=533, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=28714, PETRI_PLACES=408, PETRI_TRANSITIONS=1209} [2024-11-07 15:35:26,354 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 206 predicate places. [2024-11-07 15:35:26,354 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 1209 transitions, 28714 flow [2024-11-07 15:35:26,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:26,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:26,355 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] [2024-11-07 15:35:26,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:35:26,355 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:26,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:26,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2109707588, now seen corresponding path program 9 times [2024-11-07 15:35:26,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:26,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123810652] [2024-11-07 15:35:26,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:26,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:26,907 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 15:35:26,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:26,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123810652] [2024-11-07 15:35:26,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123810652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:26,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:26,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:26,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099103599] [2024-11-07 15:35:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:26,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:26,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:26,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:26,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:27,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:27,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 1209 transitions, 28714 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:27,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:27,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:27,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:33,196 INFO L124 PetriNetUnfolderBase]: 5662/19886 cut-off events. [2024-11-07 15:35:33,196 INFO L125 PetriNetUnfolderBase]: For 287286/288550 co-relation queries the response was YES. [2024-11-07 15:35:33,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98795 conditions, 19886 events. 5662/19886 cut-off events. For 287286/288550 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 238495 event pairs, 540 based on Foata normal form. 417/19808 useless extension candidates. Maximal degree in co-relation 98617. Up to 4061 conditions per place. [2024-11-07 15:35:33,409 INFO L140 encePairwiseOnDemand]: 167/199 looper letters, 766 selfloop transitions, 609 changer transitions 2/1526 dead transitions. [2024-11-07 15:35:33,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1526 transitions, 37250 flow [2024-11-07 15:35:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:35:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:35:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2985 transitions. [2024-11-07 15:35:33,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2024-11-07 15:35:33,412 INFO L175 Difference]: Start difference. First operand has 408 places, 1209 transitions, 28714 flow. Second operand 21 states and 2985 transitions. [2024-11-07 15:35:33,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1526 transitions, 37250 flow [2024-11-07 15:35:34,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1526 transitions, 37100 flow, removed 46 selfloop flow, removed 9 redundant places. [2024-11-07 15:35:34,347 INFO L231 Difference]: Finished difference. Result has 428 places, 1310 transitions, 34353 flow [2024-11-07 15:35:34,347 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=28564, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34353, PETRI_PLACES=428, PETRI_TRANSITIONS=1310} [2024-11-07 15:35:34,348 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 226 predicate places. [2024-11-07 15:35:34,348 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 1310 transitions, 34353 flow [2024-11-07 15:35:34,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:34,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:34,348 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] [2024-11-07 15:35:34,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:35:34,348 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:34,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:34,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1822962600, now seen corresponding path program 10 times [2024-11-07 15:35:34,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:34,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771365850] [2024-11-07 15:35:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:34,798 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 15:35:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771365850] [2024-11-07 15:35:34,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771365850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:34,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:34,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:34,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414609883] [2024-11-07 15:35:34,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:34,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:34,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:34,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:34,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:35,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:35,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 1310 transitions, 34353 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:35,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:35,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:35,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:40,931 INFO L124 PetriNetUnfolderBase]: 5927/20734 cut-off events. [2024-11-07 15:35:40,931 INFO L125 PetriNetUnfolderBase]: For 358736/360190 co-relation queries the response was YES. [2024-11-07 15:35:41,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107651 conditions, 20734 events. 5927/20734 cut-off events. For 358736/360190 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 250751 event pairs, 377 based on Foata normal form. 506/20725 useless extension candidates. Maximal degree in co-relation 107464. Up to 4261 conditions per place. [2024-11-07 15:35:41,147 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 640 selfloop transitions, 738 changer transitions 0/1527 dead transitions. [2024-11-07 15:35:41,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1527 transitions, 41383 flow [2024-11-07 15:35:41,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 15:35:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 15:35:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2537 transitions. [2024-11-07 15:35:41,149 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7082635399218313 [2024-11-07 15:35:41,149 INFO L175 Difference]: Start difference. First operand has 428 places, 1310 transitions, 34353 flow. Second operand 18 states and 2537 transitions. [2024-11-07 15:35:41,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1527 transitions, 41383 flow [2024-11-07 15:35:42,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 1527 transitions, 41175 flow, removed 66 selfloop flow, removed 11 redundant places. [2024-11-07 15:35:42,218 INFO L231 Difference]: Finished difference. Result has 441 places, 1376 transitions, 39555 flow [2024-11-07 15:35:42,219 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=34145, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=672, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=39555, PETRI_PLACES=441, PETRI_TRANSITIONS=1376} [2024-11-07 15:35:42,219 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 239 predicate places. [2024-11-07 15:35:42,219 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 1376 transitions, 39555 flow [2024-11-07 15:35:42,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:42,220 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:42,220 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] [2024-11-07 15:35:42,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:35:42,220 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-07 15:35:42,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash 560178034, now seen corresponding path program 11 times [2024-11-07 15:35:42,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:42,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896167026] [2024-11-07 15:35:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:42,492 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 15:35:42,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:42,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896167026] [2024-11-07 15:35:42,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896167026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:42,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:42,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:42,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235547506] [2024-11-07 15:35:42,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:42,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:42,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:42,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:42,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:43,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-07 15:35:43,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 1376 transitions, 39555 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 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 15:35:43,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:43,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-07 15:35:43,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand