./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.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/28-race_reach_93-evilcollapse_racefree.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', 'dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2'] 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/28-race_reach_93-evilcollapse_racefree.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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:41:03,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:41:03,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:41:03,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:41:03,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:41:03,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:41:03,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:41:03,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:41:03,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:41:03,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:41:03,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:41:03,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:41:03,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:41:03,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:41:03,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:41:03,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:41:03,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:41:03,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:41:03,261 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 -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2024-11-07 15:41:03,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:41:03,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:41:03,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:41:03,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:41:03,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:41:03,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-07 15:41:04,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:41:05,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:41:05,203 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-07 15:41:05,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c32cf7dc4/e66248733525466188eda3f7bab13e0a/FLAG49041325d [2024-11-07 15:41:05,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c32cf7dc4/e66248733525466188eda3f7bab13e0a [2024-11-07 15:41:05,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:41:05,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:41:05,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:41:05,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:41:05,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:41:05,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:05,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1291fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05, skipping insertion in model container [2024-11-07 15:41:05,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:05,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:41:05,665 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,665 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,666 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,667 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:41:05,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:41:05,814 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,816 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,818 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,819 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:41:05,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:41:05,908 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:41:05,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05 WrapperNode [2024-11-07 15:41:05,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:41:05,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:41:05,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:41:05,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:41:05,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:05,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:05,986 INFO L138 Inliner]: procedures = 281, calls = 126, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 435 [2024-11-07 15:41:05,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:41:05,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:41:05,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:41:05,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:41:05,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:05,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:41:06,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:41:06,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:41:06,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:41:06,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (1/1) ... [2024-11-07 15:41:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:41:06,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:06,114 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 15:41:06,117 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 15:41:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:41:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:41:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:41:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 15:41:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:41:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:41:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:41:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:41:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:41:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:41:06,144 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 15:41:06,297 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:41:06,299 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:41:07,027 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:41:07,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:41:07,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:41:07,072 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-07 15:41:07,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:07 BoogieIcfgContainer [2024-11-07 15:41:07,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:41:07,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:41:07,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:41:07,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:41:07,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:41:05" (1/3) ... [2024-11-07 15:41:07,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252c4ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:07, skipping insertion in model container [2024-11-07 15:41:07,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:41:05" (2/3) ... [2024-11-07 15:41:07,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252c4ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:07, skipping insertion in model container [2024-11-07 15:41:07,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:07" (3/3) ... [2024-11-07 15:41:07,083 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-11-07 15:41:07,097 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:41:07,097 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-07 15:41:07,097 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:41:07,291 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 15:41:07,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 454 places, 479 transitions, 965 flow [2024-11-07 15:41:07,550 INFO L124 PetriNetUnfolderBase]: 30/511 cut-off events. [2024-11-07 15:41:07,552 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:41:07,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 511 events. 30/511 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1152 event pairs, 0 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 326. Up to 4 conditions per place. [2024-11-07 15:41:07,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 454 places, 479 transitions, 965 flow [2024-11-07 15:41:07,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 454 places, 479 transitions, 965 flow [2024-11-07 15:41:07,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:41:07,598 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;@13962a8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:41:07,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-07 15:41:07,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:41:07,641 INFO L124 PetriNetUnfolderBase]: 1/124 cut-off events. [2024-11-07 15:41:07,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:41:07,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:07,642 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 15:41:07,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:07,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:07,647 INFO L85 PathProgramCache]: Analyzing trace with hash 205471916, now seen corresponding path program 1 times [2024-11-07 15:41:07,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:07,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868146930] [2024-11-07 15:41:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:07,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:08,836 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 15:41:08,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:08,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868146930] [2024-11-07 15:41:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868146930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:08,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:08,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:08,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612848847] [2024-11-07 15:41:08,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:08,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:08,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:08,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:09,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2024-11-07 15:41:09,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 479 transitions, 965 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 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 15:41:09,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:09,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2024-11-07 15:41:09,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:09,968 INFO L124 PetriNetUnfolderBase]: 320/1671 cut-off events. [2024-11-07 15:41:09,968 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-07 15:41:09,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 1671 events. 320/1671 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10096 event pairs, 288 based on Foata normal form. 184/1720 useless extension candidates. Maximal degree in co-relation 1972. Up to 682 conditions per place. [2024-11-07 15:41:09,982 INFO L140 encePairwiseOnDemand]: 446/479 looper letters, 88 selfloop transitions, 10 changer transitions 2/454 dead transitions. [2024-11-07 15:41:09,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 454 transitions, 1111 flow [2024-11-07 15:41:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2263 transitions. [2024-11-07 15:41:10,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7874043145441892 [2024-11-07 15:41:10,014 INFO L175 Difference]: Start difference. First operand has 454 places, 479 transitions, 965 flow. Second operand 6 states and 2263 transitions. [2024-11-07 15:41:10,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 454 transitions, 1111 flow [2024-11-07 15:41:10,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 454 transitions, 1111 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:41:10,039 INFO L231 Difference]: Finished difference. Result has 455 places, 452 transitions, 931 flow [2024-11-07 15:41:10,043 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=455, PETRI_TRANSITIONS=452} [2024-11-07 15:41:10,047 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 1 predicate places. [2024-11-07 15:41:10,047 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 452 transitions, 931 flow [2024-11-07 15:41:10,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 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 15:41:10,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:10,049 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 15:41:10,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:41:10,051 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:10,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:10,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1055037286, now seen corresponding path program 1 times [2024-11-07 15:41:10,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:10,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549550270] [2024-11-07 15:41:10,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:10,666 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 15:41:10,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:10,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549550270] [2024-11-07 15:41:10,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549550270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:10,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:10,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:10,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216071854] [2024-11-07 15:41:10,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:10,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:10,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:11,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2024-11-07 15:41:11,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 452 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 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 15:41:11,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:11,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2024-11-07 15:41:11,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:11,607 INFO L124 PetriNetUnfolderBase]: 320/1667 cut-off events. [2024-11-07 15:41:11,607 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-07 15:41:11,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2376 conditions, 1667 events. 320/1667 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10081 event pairs, 288 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 2201. Up to 682 conditions per place. [2024-11-07 15:41:11,615 INFO L140 encePairwiseOnDemand]: 467/479 looper letters, 88 selfloop transitions, 10 changer transitions 0/450 dead transitions. [2024-11-07 15:41:11,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 450 transitions, 1123 flow [2024-11-07 15:41:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2242 transitions. [2024-11-07 15:41:11,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7800974251913709 [2024-11-07 15:41:11,622 INFO L175 Difference]: Start difference. First operand has 455 places, 452 transitions, 931 flow. Second operand 6 states and 2242 transitions. [2024-11-07 15:41:11,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 450 transitions, 1123 flow [2024-11-07 15:41:11,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 450 transitions, 1103 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:11,631 INFO L231 Difference]: Finished difference. Result has 451 places, 450 transitions, 927 flow [2024-11-07 15:41:11,632 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=927, PETRI_PLACES=451, PETRI_TRANSITIONS=450} [2024-11-07 15:41:11,633 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -3 predicate places. [2024-11-07 15:41:11,633 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 450 transitions, 927 flow [2024-11-07 15:41:11,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 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 15:41:11,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:11,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:11,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:41:11,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:11,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:11,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1049064475, now seen corresponding path program 1 times [2024-11-07 15:41:11,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:11,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464124852] [2024-11-07 15:41:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:11,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:11,783 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 15:41:11,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:11,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464124852] [2024-11-07 15:41:11,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464124852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:11,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:11,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:41:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245261879] [2024-11-07 15:41:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:11,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:41:11,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:11,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:41:11,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:41:11,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-07 15:41:11,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 450 transitions, 927 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 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 15:41:11,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:11,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-07 15:41:11,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:11,900 INFO L124 PetriNetUnfolderBase]: 16/628 cut-off events. [2024-11-07 15:41:11,900 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-07 15:41:11,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 628 events. 16/628 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1808 event pairs, 8 based on Foata normal form. 1/586 useless extension candidates. Maximal degree in co-relation 465. Up to 34 conditions per place. [2024-11-07 15:41:11,903 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-07 15:41:11,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 451 transitions, 963 flow [2024-11-07 15:41:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:41:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:41:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2024-11-07 15:41:11,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331941544885177 [2024-11-07 15:41:11,907 INFO L175 Difference]: Start difference. First operand has 451 places, 450 transitions, 927 flow. Second operand 3 states and 1341 transitions. [2024-11-07 15:41:11,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 451 transitions, 963 flow [2024-11-07 15:41:11,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 943 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:11,917 INFO L231 Difference]: Finished difference. Result has 449 places, 451 transitions, 919 flow [2024-11-07 15:41:11,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=449, PETRI_TRANSITIONS=451} [2024-11-07 15:41:11,918 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -5 predicate places. [2024-11-07 15:41:11,918 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 451 transitions, 919 flow [2024-11-07 15:41:11,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 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 15:41:11,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:11,919 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:11,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:41:11,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:11,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:11,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2116549050, now seen corresponding path program 1 times [2024-11-07 15:41:11,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:11,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219894135] [2024-11-07 15:41:11,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:11,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:12,551 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 15:41:12,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219894135] [2024-11-07 15:41:12,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219894135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:12,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:12,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824025607] [2024-11-07 15:41:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:12,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:12,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 479 [2024-11-07 15:41:12,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 451 transitions, 919 flow. Second operand has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 0 states have call successors, (0), 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 15:41:12,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:12,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 479 [2024-11-07 15:41:12,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:13,341 INFO L124 PetriNetUnfolderBase]: 321/1789 cut-off events. [2024-11-07 15:41:13,341 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-07 15:41:13,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2542 conditions, 1789 events. 321/1789 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10660 event pairs, 288 based on Foata normal form. 0/1654 useless extension candidates. Maximal degree in co-relation 2270. Up to 730 conditions per place. [2024-11-07 15:41:13,355 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 95 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-07 15:41:13,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 450 transitions, 1117 flow [2024-11-07 15:41:13,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2237 transitions. [2024-11-07 15:41:13,362 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.778357689631176 [2024-11-07 15:41:13,362 INFO L175 Difference]: Start difference. First operand has 449 places, 451 transitions, 919 flow. Second operand 6 states and 2237 transitions. [2024-11-07 15:41:13,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 450 transitions, 1117 flow [2024-11-07 15:41:13,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 450 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:13,370 INFO L231 Difference]: Finished difference. Result has 452 places, 450 transitions, 925 flow [2024-11-07 15:41:13,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=925, PETRI_PLACES=452, PETRI_TRANSITIONS=450} [2024-11-07 15:41:13,373 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -2 predicate places. [2024-11-07 15:41:13,373 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 450 transitions, 925 flow [2024-11-07 15:41:13,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 0 states have call successors, (0), 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 15:41:13,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:13,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:13,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:41:13,375 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:13,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash 425982242, now seen corresponding path program 1 times [2024-11-07 15:41:13,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:13,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792444546] [2024-11-07 15:41:13,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:13,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:13,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792444546] [2024-11-07 15:41:13,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792444546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:13,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:13,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:41:13,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148658573] [2024-11-07 15:41:13,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:13,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:41:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:41:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:41:13,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-07 15:41:13,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 450 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 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 15:41:13,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:13,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-07 15:41:13,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:13,623 INFO L124 PetriNetUnfolderBase]: 16/814 cut-off events. [2024-11-07 15:41:13,624 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-07 15:41:13,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 814 events. 16/814 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1833 event pairs, 8 based on Foata normal form. 2/767 useless extension candidates. Maximal degree in co-relation 660. Up to 38 conditions per place. [2024-11-07 15:41:13,627 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-07 15:41:13,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 961 flow [2024-11-07 15:41:13,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:41:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:41:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2024-11-07 15:41:13,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331941544885177 [2024-11-07 15:41:13,630 INFO L175 Difference]: Start difference. First operand has 452 places, 450 transitions, 925 flow. Second operand 3 states and 1341 transitions. [2024-11-07 15:41:13,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 961 flow [2024-11-07 15:41:13,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 451 transitions, 951 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:13,638 INFO L231 Difference]: Finished difference. Result has 450 places, 451 transitions, 927 flow [2024-11-07 15:41:13,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=927, PETRI_PLACES=450, PETRI_TRANSITIONS=451} [2024-11-07 15:41:13,639 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -4 predicate places. [2024-11-07 15:41:13,639 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 451 transitions, 927 flow [2024-11-07 15:41:13,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 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 15:41:13,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:13,640 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:13,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:41:13,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:13,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:13,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1372198348, now seen corresponding path program 1 times [2024-11-07 15:41:13,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:13,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999138635] [2024-11-07 15:41:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:13,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:14,278 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 15:41:14,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:14,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999138635] [2024-11-07 15:41:14,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999138635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:14,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:14,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:14,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748812752] [2024-11-07 15:41:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:14,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:14,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:14,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:14,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:14,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-07 15:41:14,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 451 transitions, 927 flow. Second operand has 6 states, 6 states have (on average 393.5) internal successors, (2361), 6 states have internal predecessors, (2361), 0 states have call successors, (0), 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 15:41:14,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:14,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-07 15:41:14,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:15,216 INFO L124 PetriNetUnfolderBase]: 84/1128 cut-off events. [2024-11-07 15:41:15,216 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-07 15:41:15,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 1128 events. 84/1128 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3773 event pairs, 64 based on Foata normal form. 0/1042 useless extension candidates. Maximal degree in co-relation 942. Up to 311 conditions per place. [2024-11-07 15:41:15,222 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-07 15:41:15,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 450 transitions, 1059 flow [2024-11-07 15:41:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-07 15:41:15,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-07 15:41:15,230 INFO L175 Difference]: Start difference. First operand has 450 places, 451 transitions, 927 flow. Second operand 6 states and 2402 transitions. [2024-11-07 15:41:15,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 450 transitions, 1059 flow [2024-11-07 15:41:15,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 450 transitions, 1057 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:15,239 INFO L231 Difference]: Finished difference. Result has 453 places, 450 transitions, 933 flow [2024-11-07 15:41:15,240 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=933, PETRI_PLACES=453, PETRI_TRANSITIONS=450} [2024-11-07 15:41:15,242 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -1 predicate places. [2024-11-07 15:41:15,243 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 450 transitions, 933 flow [2024-11-07 15:41:15,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.5) internal successors, (2361), 6 states have internal predecessors, (2361), 0 states have call successors, (0), 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 15:41:15,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:15,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:15,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:41:15,245 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:15,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1512535522, now seen corresponding path program 1 times [2024-11-07 15:41:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:15,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871787961] [2024-11-07 15:41:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:15,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:15,850 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 15:41:15,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:15,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871787961] [2024-11-07 15:41:15,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871787961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:15,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:15,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:15,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675490543] [2024-11-07 15:41:15,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:15,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:15,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:15,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:15,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:16,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 479 [2024-11-07 15:41:16,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 450 transitions, 933 flow. Second operand has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 0 states have call successors, (0), 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 15:41:16,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:16,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 479 [2024-11-07 15:41:16,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:16,698 INFO L124 PetriNetUnfolderBase]: 321/1969 cut-off events. [2024-11-07 15:41:16,698 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-07 15:41:16,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2826 conditions, 1969 events. 321/1969 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10826 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2313. Up to 796 conditions per place. [2024-11-07 15:41:16,706 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 95 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-07 15:41:16,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 449 transitions, 1131 flow [2024-11-07 15:41:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2237 transitions. [2024-11-07 15:41:16,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.778357689631176 [2024-11-07 15:41:16,712 INFO L175 Difference]: Start difference. First operand has 453 places, 450 transitions, 933 flow. Second operand 6 states and 2237 transitions. [2024-11-07 15:41:16,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 449 transitions, 1131 flow [2024-11-07 15:41:16,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 449 transitions, 1121 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:16,721 INFO L231 Difference]: Finished difference. Result has 452 places, 449 transitions, 931 flow [2024-11-07 15:41:16,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=452, PETRI_TRANSITIONS=449} [2024-11-07 15:41:16,723 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -2 predicate places. [2024-11-07 15:41:16,723 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 449 transitions, 931 flow [2024-11-07 15:41:16,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 0 states have call successors, (0), 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 15:41:16,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:16,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:16,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:41:16,726 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:16,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:16,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2016550217, now seen corresponding path program 1 times [2024-11-07 15:41:16,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:16,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44877515] [2024-11-07 15:41:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:16,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:17,381 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 15:41:17,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:17,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44877515] [2024-11-07 15:41:17,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44877515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:17,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:17,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:17,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218178080] [2024-11-07 15:41:17,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:17,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:17,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:17,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:17,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 479 [2024-11-07 15:41:17,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 449 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 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 15:41:17,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:17,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 479 [2024-11-07 15:41:17,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:18,065 INFO L124 PetriNetUnfolderBase]: 321/1965 cut-off events. [2024-11-07 15:41:18,066 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-07 15:41:18,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2806 conditions, 1965 events. 321/1965 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10787 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2329. Up to 780 conditions per place. [2024-11-07 15:41:18,078 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 91 selfloop transitions, 5 changer transitions 0/448 dead transitions. [2024-11-07 15:41:18,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 448 transitions, 1121 flow [2024-11-07 15:41:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2257 transitions. [2024-11-07 15:41:18,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7853166318719554 [2024-11-07 15:41:18,086 INFO L175 Difference]: Start difference. First operand has 452 places, 449 transitions, 931 flow. Second operand 6 states and 2257 transitions. [2024-11-07 15:41:18,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 448 transitions, 1121 flow [2024-11-07 15:41:18,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 448 transitions, 1111 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:18,095 INFO L231 Difference]: Finished difference. Result has 451 places, 448 transitions, 929 flow [2024-11-07 15:41:18,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=929, PETRI_PLACES=451, PETRI_TRANSITIONS=448} [2024-11-07 15:41:18,099 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -3 predicate places. [2024-11-07 15:41:18,099 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 448 transitions, 929 flow [2024-11-07 15:41:18,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 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 15:41:18,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:18,101 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:18,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:41:18,101 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:18,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:18,102 INFO L85 PathProgramCache]: Analyzing trace with hash 696083297, now seen corresponding path program 1 times [2024-11-07 15:41:18,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:18,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271924720] [2024-11-07 15:41:18,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:18,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:18,654 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 15:41:18,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:18,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271924720] [2024-11-07 15:41:18,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271924720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:18,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:18,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:18,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327759998] [2024-11-07 15:41:18,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:18,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:18,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:18,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:18,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:19,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 479 [2024-11-07 15:41:19,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 448 transitions, 929 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 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 15:41:19,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:19,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 479 [2024-11-07 15:41:19,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:19,398 INFO L124 PetriNetUnfolderBase]: 321/1961 cut-off events. [2024-11-07 15:41:19,398 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-07 15:41:19,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2802 conditions, 1961 events. 321/1961 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10757 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2344. Up to 780 conditions per place. [2024-11-07 15:41:19,407 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 91 selfloop transitions, 5 changer transitions 0/447 dead transitions. [2024-11-07 15:41:19,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 447 transitions, 1119 flow [2024-11-07 15:41:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2257 transitions. [2024-11-07 15:41:19,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7853166318719554 [2024-11-07 15:41:19,414 INFO L175 Difference]: Start difference. First operand has 451 places, 448 transitions, 929 flow. Second operand 6 states and 2257 transitions. [2024-11-07 15:41:19,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 447 transitions, 1119 flow [2024-11-07 15:41:19,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 447 transitions, 1109 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:19,422 INFO L231 Difference]: Finished difference. Result has 450 places, 447 transitions, 927 flow [2024-11-07 15:41:19,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=927, PETRI_PLACES=450, PETRI_TRANSITIONS=447} [2024-11-07 15:41:19,424 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -4 predicate places. [2024-11-07 15:41:19,424 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 447 transitions, 927 flow [2024-11-07 15:41:19,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 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 15:41:19,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:19,425 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:19,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:41:19,425 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:19,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1664285141, now seen corresponding path program 1 times [2024-11-07 15:41:19,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:19,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137649034] [2024-11-07 15:41:19,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:19,996 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 15:41:19,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:19,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137649034] [2024-11-07 15:41:19,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137649034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:19,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:19,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:19,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688134920] [2024-11-07 15:41:19,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:19,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:19,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:19,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:19,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:20,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 479 [2024-11-07 15:41:20,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 447 transitions, 927 flow. Second operand has 6 states, 6 states have (on average 362.5) internal successors, (2175), 6 states have internal predecessors, (2175), 0 states have call successors, (0), 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 15:41:20,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:20,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 479 [2024-11-07 15:41:20,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:20,781 INFO L124 PetriNetUnfolderBase]: 321/1957 cut-off events. [2024-11-07 15:41:20,782 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-07 15:41:20,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2818 conditions, 1957 events. 321/1957 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10739 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2357. Up to 800 conditions per place. [2024-11-07 15:41:20,789 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 96 selfloop transitions, 5 changer transitions 0/446 dead transitions. [2024-11-07 15:41:20,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 446 transitions, 1127 flow [2024-11-07 15:41:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2232 transitions. [2024-11-07 15:41:20,795 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7766179540709812 [2024-11-07 15:41:20,795 INFO L175 Difference]: Start difference. First operand has 450 places, 447 transitions, 927 flow. Second operand 6 states and 2232 transitions. [2024-11-07 15:41:20,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 446 transitions, 1127 flow [2024-11-07 15:41:20,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 446 transitions, 1117 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:20,804 INFO L231 Difference]: Finished difference. Result has 449 places, 446 transitions, 925 flow [2024-11-07 15:41:20,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=925, PETRI_PLACES=449, PETRI_TRANSITIONS=446} [2024-11-07 15:41:20,807 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -5 predicate places. [2024-11-07 15:41:20,807 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 446 transitions, 925 flow [2024-11-07 15:41:20,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 362.5) internal successors, (2175), 6 states have internal predecessors, (2175), 0 states have call successors, (0), 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 15:41:20,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:20,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:20,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:41:20,808 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:20,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:20,809 INFO L85 PathProgramCache]: Analyzing trace with hash -125303635, now seen corresponding path program 1 times [2024-11-07 15:41:20,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:20,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872365649] [2024-11-07 15:41:20,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:20,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:21,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:21,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872365649] [2024-11-07 15:41:21,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872365649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:21,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57839381] [2024-11-07 15:41:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:21,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:21,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 15:41:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:21,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:41:21,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:21,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:21,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57839381] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:21,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:21,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:41:21,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498387809] [2024-11-07 15:41:21,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:21,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:41:21,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:21,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:41:21,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:41:21,706 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-07 15:41:21,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 446 transitions, 925 flow. Second operand has 10 states, 10 states have (on average 439.8) internal successors, (4398), 10 states have internal predecessors, (4398), 0 states have call successors, (0), 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 15:41:21,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:21,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-07 15:41:21,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:21,960 INFO L124 PetriNetUnfolderBase]: 16/978 cut-off events. [2024-11-07 15:41:21,960 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-07 15:41:21,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 978 events. 16/978 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1222 event pairs, 8 based on Foata normal form. 4/953 useless extension candidates. Maximal degree in co-relation 866. Up to 38 conditions per place. [2024-11-07 15:41:21,963 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 19 selfloop transitions, 9 changer transitions 0/454 dead transitions. [2024-11-07 15:41:21,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 454 transitions, 999 flow [2024-11-07 15:41:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:41:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:41:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3972 transitions. [2024-11-07 15:41:21,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213639526791928 [2024-11-07 15:41:21,971 INFO L175 Difference]: Start difference. First operand has 449 places, 446 transitions, 925 flow. Second operand 9 states and 3972 transitions. [2024-11-07 15:41:21,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 454 transitions, 999 flow [2024-11-07 15:41:21,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 454 transitions, 989 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:21,977 INFO L231 Difference]: Finished difference. Result has 455 places, 452 transitions, 965 flow [2024-11-07 15:41:21,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=965, PETRI_PLACES=455, PETRI_TRANSITIONS=452} [2024-11-07 15:41:21,979 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 1 predicate places. [2024-11-07 15:41:21,979 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 452 transitions, 965 flow [2024-11-07 15:41:21,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 439.8) internal successors, (4398), 10 states have internal predecessors, (4398), 0 states have call successors, (0), 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 15:41:21,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:21,981 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:22,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 15:41:22,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 15:41:22,182 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:22,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:22,183 INFO L85 PathProgramCache]: Analyzing trace with hash -138687357, now seen corresponding path program 2 times [2024-11-07 15:41:22,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:22,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2853235] [2024-11-07 15:41:22,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-07 15:41:22,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:22,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2853235] [2024-11-07 15:41:22,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2853235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:22,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332101629] [2024-11-07 15:41:22,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:41:22,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:22,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:22,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:22,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 15:41:22,862 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:41:22,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:41:22,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 15:41:22,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:22,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-07 15:41:22,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-07 15:41:22,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:22,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-07 15:41:23,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:23,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-07 15:41:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-07 15:41:23,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:41:23,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332101629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:23,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:41:23,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-07 15:41:23,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204846503] [2024-11-07 15:41:23,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:23,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:23,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:23,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:23,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:41:24,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-07 15:41:24,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 452 transitions, 965 flow. Second operand has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 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 15:41:24,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:24,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-07 15:41:24,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:24,411 INFO L124 PetriNetUnfolderBase]: 84/1295 cut-off events. [2024-11-07 15:41:24,412 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-11-07 15:41:24,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 1295 events. 84/1295 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3107 event pairs, 64 based on Foata normal form. 0/1222 useless extension candidates. Maximal degree in co-relation 1064. Up to 355 conditions per place. [2024-11-07 15:41:24,418 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/451 dead transitions. [2024-11-07 15:41:24,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 451 transitions, 1097 flow [2024-11-07 15:41:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-07 15:41:24,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-07 15:41:24,425 INFO L175 Difference]: Start difference. First operand has 455 places, 452 transitions, 965 flow. Second operand 6 states and 2402 transitions. [2024-11-07 15:41:24,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 451 transitions, 1097 flow [2024-11-07 15:41:24,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 451 transitions, 1091 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:24,433 INFO L231 Difference]: Finished difference. Result has 458 places, 451 transitions, 967 flow [2024-11-07 15:41:24,434 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=967, PETRI_PLACES=458, PETRI_TRANSITIONS=451} [2024-11-07 15:41:24,434 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 4 predicate places. [2024-11-07 15:41:24,435 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 451 transitions, 967 flow [2024-11-07 15:41:24,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 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 15:41:24,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:24,436 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:24,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 15:41:24,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:24,640 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:24,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:24,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1443905255, now seen corresponding path program 1 times [2024-11-07 15:41:24,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:24,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819135060] [2024-11-07 15:41:24,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:24,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-07 15:41:25,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:25,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819135060] [2024-11-07 15:41:25,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819135060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:25,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270949254] [2024-11-07 15:41:25,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:25,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:25,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:25,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:25,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 15:41:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:25,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:41:25,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:25,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:26,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270949254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:26,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:26,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-07 15:41:26,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229664157] [2024-11-07 15:41:26,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:26,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 15:41:26,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:26,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 15:41:26,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-07 15:41:26,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 479 [2024-11-07 15:41:26,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 451 transitions, 967 flow. Second operand has 19 states, 19 states have (on average 434.5263157894737) internal successors, (8256), 19 states have internal predecessors, (8256), 0 states have call successors, (0), 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 15:41:26,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:26,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 479 [2024-11-07 15:41:26,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:27,715 INFO L124 PetriNetUnfolderBase]: 17/2357 cut-off events. [2024-11-07 15:41:27,715 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-11-07 15:41:27,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2653 conditions, 2357 events. 17/2357 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1220 event pairs, 8 based on Foata normal form. 13/2342 useless extension candidates. Maximal degree in co-relation 2424. Up to 40 conditions per place. [2024-11-07 15:41:27,721 INFO L140 encePairwiseOnDemand]: 468/479 looper letters, 51 selfloop transitions, 68 changer transitions 0/537 dead transitions. [2024-11-07 15:41:27,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 537 transitions, 1615 flow [2024-11-07 15:41:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-07 15:41:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-07 15:41:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 27348 transitions. [2024-11-07 15:41:27,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9062531066706432 [2024-11-07 15:41:27,797 INFO L175 Difference]: Start difference. First operand has 458 places, 451 transitions, 967 flow. Second operand 63 states and 27348 transitions. [2024-11-07 15:41:27,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 537 transitions, 1615 flow [2024-11-07 15:41:27,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 537 transitions, 1605 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:27,807 INFO L231 Difference]: Finished difference. Result has 531 places, 513 transitions, 1477 flow [2024-11-07 15:41:27,808 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1477, PETRI_PLACES=531, PETRI_TRANSITIONS=513} [2024-11-07 15:41:27,809 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 77 predicate places. [2024-11-07 15:41:27,809 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 513 transitions, 1477 flow [2024-11-07 15:41:27,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 434.5263157894737) internal successors, (8256), 19 states have internal predecessors, (8256), 0 states have call successors, (0), 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 15:41:27,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:27,814 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:27,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 15:41:28,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:28,018 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:28,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:28,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2131950081, now seen corresponding path program 2 times [2024-11-07 15:41:28,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:28,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135985241] [2024-11-07 15:41:28,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:41:31,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:31,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135985241] [2024-11-07 15:41:31,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135985241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:31,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696612311] [2024-11-07 15:41:31,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:41:31,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:31,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:31,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:31,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 15:41:31,795 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:41:31,795 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:41:31,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 15:41:31,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:31,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-07 15:41:31,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-07 15:41:31,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:31,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-07 15:41:31,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:31,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-07 15:41:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-07 15:41:32,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:41:32,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696612311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:32,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:41:32,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-07 15:41:32,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464894522] [2024-11-07 15:41:32,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:32,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:32,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:32,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:32,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-07 15:41:32,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-07 15:41:32,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 513 transitions, 1477 flow. Second operand has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 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 15:41:32,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:32,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-07 15:41:32,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:33,440 INFO L124 PetriNetUnfolderBase]: 85/2674 cut-off events. [2024-11-07 15:41:33,440 INFO L125 PetriNetUnfolderBase]: For 436/440 co-relation queries the response was YES. [2024-11-07 15:41:33,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2674 events. 85/2674 cut-off events. For 436/440 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3097 event pairs, 64 based on Foata normal form. 0/2602 useless extension candidates. Maximal degree in co-relation 3107. Up to 783 conditions per place. [2024-11-07 15:41:33,448 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/512 dead transitions. [2024-11-07 15:41:33,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 512 transitions, 1609 flow [2024-11-07 15:41:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-07 15:41:33,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-07 15:41:33,450 INFO L175 Difference]: Start difference. First operand has 531 places, 513 transitions, 1477 flow. Second operand 6 states and 2402 transitions. [2024-11-07 15:41:33,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 512 transitions, 1609 flow [2024-11-07 15:41:33,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 512 transitions, 1533 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-07 15:41:33,462 INFO L231 Difference]: Finished difference. Result has 528 places, 512 transitions, 1409 flow [2024-11-07 15:41:33,463 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1399, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1409, PETRI_PLACES=528, PETRI_TRANSITIONS=512} [2024-11-07 15:41:33,463 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 74 predicate places. [2024-11-07 15:41:33,463 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 512 transitions, 1409 flow [2024-11-07 15:41:33,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 0 states have call successors, (0), 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 15:41:33,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:33,465 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:33,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 15:41:33,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 15:41:33,666 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:33,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:33,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1075793589, now seen corresponding path program 1 times [2024-11-07 15:41:33,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:33,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167539453] [2024-11-07 15:41:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:41:36,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:36,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167539453] [2024-11-07 15:41:36,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167539453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:36,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411141916] [2024-11-07 15:41:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:36,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:36,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:36,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:36,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 15:41:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:37,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 5710 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 15:41:37,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:41:38,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:41:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:41:39,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411141916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:41:39,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:41:39,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-07 15:41:39,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501561245] [2024-11-07 15:41:39,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:41:39,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-07 15:41:39,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:39,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-07 15:41:39,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 15:41:39,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-07 15:41:39,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 512 transitions, 1409 flow. Second operand has 34 states, 34 states have (on average 440.11764705882354) internal successors, (14964), 34 states have internal predecessors, (14964), 0 states have call successors, (0), 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 15:41:39,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:39,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-07 15:41:39,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:41,165 INFO L124 PetriNetUnfolderBase]: 17/4516 cut-off events. [2024-11-07 15:41:41,165 INFO L125 PetriNetUnfolderBase]: For 3211/3212 co-relation queries the response was YES. [2024-11-07 15:41:41,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5312 conditions, 4516 events. 17/4516 cut-off events. For 3211/3212 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1215 event pairs, 8 based on Foata normal form. 24/4513 useless extension candidates. Maximal degree in co-relation 5270. Up to 78 conditions per place. [2024-11-07 15:41:41,173 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 51 selfloop transitions, 135 changer transitions 0/613 dead transitions. [2024-11-07 15:41:41,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 613 transitions, 2545 flow [2024-11-07 15:41:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-07 15:41:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-07 15:41:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 19794 transitions. [2024-11-07 15:41:41,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9183020180932498 [2024-11-07 15:41:41,185 INFO L175 Difference]: Start difference. First operand has 528 places, 512 transitions, 1409 flow. Second operand 45 states and 19794 transitions. [2024-11-07 15:41:41,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 613 transitions, 2545 flow [2024-11-07 15:41:41,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 613 transitions, 2535 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:41,202 INFO L231 Difference]: Finished difference. Result has 576 places, 587 transitions, 2273 flow [2024-11-07 15:41:41,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1399, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2273, PETRI_PLACES=576, PETRI_TRANSITIONS=587} [2024-11-07 15:41:41,203 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 122 predicate places. [2024-11-07 15:41:41,203 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 587 transitions, 2273 flow [2024-11-07 15:41:41,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 440.11764705882354) internal successors, (14964), 34 states have internal predecessors, (14964), 0 states have call successors, (0), 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 15:41:41,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:41,208 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:41,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 15:41:41,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 15:41:41,409 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:41,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash -440137653, now seen corresponding path program 2 times [2024-11-07 15:41:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:41,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519033793] [2024-11-07 15:41:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-07 15:41:51,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519033793] [2024-11-07 15:41:51,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519033793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:41:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997913314] [2024-11-07 15:41:51,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:41:51,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:41:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:51,526 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:41:51,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 15:41:52,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:41:52,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:41:52,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 15:41:52,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:41:52,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 15:41:52,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-07 15:41:52,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:52,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-07 15:41:53,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:41:53,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-07 15:41:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-07 15:41:53,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:41:53,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997913314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:53,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:41:53,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [33] total 39 [2024-11-07 15:41:53,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617685216] [2024-11-07 15:41:53,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:53,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 15:41:53,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:53,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 15:41:53,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=1167, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 15:41:53,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 479 [2024-11-07 15:41:53,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 587 transitions, 2273 flow. Second operand has 8 states, 8 states have (on average 358.625) internal successors, (2869), 8 states have internal predecessors, (2869), 0 states have call successors, (0), 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 15:41:53,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:53,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 479 [2024-11-07 15:41:53,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:57,411 INFO L124 PetriNetUnfolderBase]: 630/6796 cut-off events. [2024-11-07 15:41:57,412 INFO L125 PetriNetUnfolderBase]: For 1224/1240 co-relation queries the response was YES. [2024-11-07 15:41:57,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10307 conditions, 6796 events. 630/6796 cut-off events. For 1224/1240 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19993 event pairs, 468 based on Foata normal form. 3/6563 useless extension candidates. Maximal degree in co-relation 6548. Up to 1624 conditions per place. [2024-11-07 15:41:57,431 INFO L140 encePairwiseOnDemand]: 468/479 looper letters, 176 selfloop transitions, 10 changer transitions 0/668 dead transitions. [2024-11-07 15:41:57,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 668 transitions, 2807 flow [2024-11-07 15:41:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 15:41:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 15:41:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 3004 transitions. [2024-11-07 15:41:57,435 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7839248434237995 [2024-11-07 15:41:57,435 INFO L175 Difference]: Start difference. First operand has 576 places, 587 transitions, 2273 flow. Second operand 8 states and 3004 transitions. [2024-11-07 15:41:57,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 668 transitions, 2807 flow [2024-11-07 15:41:57,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 668 transitions, 2699 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-07 15:41:57,461 INFO L231 Difference]: Finished difference. Result has 570 places, 593 transitions, 2224 flow [2024-11-07 15:41:57,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2224, PETRI_PLACES=570, PETRI_TRANSITIONS=593} [2024-11-07 15:41:57,462 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 116 predicate places. [2024-11-07 15:41:57,462 INFO L471 AbstractCegarLoop]: Abstraction has has 570 places, 593 transitions, 2224 flow [2024-11-07 15:41:57,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 358.625) internal successors, (2869), 8 states have internal predecessors, (2869), 0 states have call successors, (0), 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 15:41:57,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:57,464 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:57,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 15:41:57,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 15:41:57,665 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:41:57,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash -619815037, now seen corresponding path program 1 times [2024-11-07 15:41:57,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:57,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171938155] [2024-11-07 15:41:57,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:57,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-11-07 15:42:07,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:07,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171938155] [2024-11-07 15:42:07,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171938155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:42:07,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446573790] [2024-11-07 15:42:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:07,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:42:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:42:07,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:42:07,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 15:42:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:10,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 11651 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 15:42:10,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:42:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-11-07 15:42:11,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:42:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-11-07 15:42:13,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446573790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:42:13,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:42:13,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-07 15:42:13,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925197267] [2024-11-07 15:42:13,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:42:13,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-07 15:42:13,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:13,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-07 15:42:13,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-07 15:42:13,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-07 15:42:13,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 593 transitions, 2224 flow. Second operand has 63 states, 63 states have (on average 440.1111111111111) internal successors, (27727), 63 states have internal predecessors, (27727), 0 states have call successors, (0), 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 15:42:13,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:13,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-07 15:42:13,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand