./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-deagle/reorder_c11_bad-10.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/pthread-deagle/reorder_c11_bad-10.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', '10d5067d95273951a014725afb4753c98c29896d9675321f4fa3b00f339e7930'] 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/pthread-deagle/reorder_c11_bad-10.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 10d5067d95273951a014725afb4753c98c29896d9675321f4fa3b00f339e7930 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:46:15,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:46:16,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:46:16,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:46:16,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:46:16,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:46:16,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:46:16,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:46:16,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:46:16,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:46:16,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:46:16,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:46:16,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:46:16,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:46:16,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:46:16,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:46:16,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:46:16,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:46:16,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:46:16,038 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 -> 10d5067d95273951a014725afb4753c98c29896d9675321f4fa3b00f339e7930 [2024-11-07 15:46:16,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:46:16,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:46:16,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:46:16,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:46:16,334 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:46:16,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-deagle/reorder_c11_bad-10.i [2024-11-07 15:46:17,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:46:18,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:46:18,015 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_bad-10.i [2024-11-07 15:46:18,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a53661532/96c904d93f794f86b269a000a7e1c59e/FLAG3b4db2fbc [2024-11-07 15:46:18,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a53661532/96c904d93f794f86b269a000a7e1c59e [2024-11-07 15:46:18,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:46:18,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:46:18,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:46:18,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:46:18,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:46:18,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cce2b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18, skipping insertion in model container [2024-11-07 15:46:18,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:46:18,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:46:18,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:46:18,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:46:18,459 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:46:18,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18 WrapperNode [2024-11-07 15:46:18,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:46:18,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:46:18,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:46:18,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:46:18,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,515 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 173 [2024-11-07 15:46:18,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:46:18,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:46:18,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:46:18,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:46:18,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:46:18,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:46:18,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:46:18,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:46:18,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (1/1) ... [2024-11-07 15:46:18,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:46:18,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:46:18,616 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 15:46:18,620 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 15:46:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-07 15:46:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:46:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-07 15:46:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-07 15:46:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:46:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 15:46:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:46:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:46:18,644 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 15:46:18,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:46:18,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:46:19,126 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:46:19,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:46:19,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:46:19,190 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 15:46:19,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:46:19 BoogieIcfgContainer [2024-11-07 15:46:19,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:46:19,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:46:19,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:46:19,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:46:19,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:46:18" (1/3) ... [2024-11-07 15:46:19,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4785808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:46:19, skipping insertion in model container [2024-11-07 15:46:19,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:18" (2/3) ... [2024-11-07 15:46:19,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4785808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:46:19, skipping insertion in model container [2024-11-07 15:46:19,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:46:19" (3/3) ... [2024-11-07 15:46:19,201 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_c11_bad-10.i [2024-11-07 15:46:19,215 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:46:19,216 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-07 15:46:19,216 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:46:19,290 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-07 15:46:19,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 218 transitions, 456 flow [2024-11-07 15:46:19,526 INFO L124 PetriNetUnfolderBase]: 32/558 cut-off events. [2024-11-07 15:46:19,528 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-07 15:46:19,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 558 events. 32/558 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2237 event pairs, 0 based on Foata normal form. 0/439 useless extension candidates. Maximal degree in co-relation 267. Up to 8 conditions per place. [2024-11-07 15:46:19,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 218 transitions, 456 flow [2024-11-07 15:46:19,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 218 transitions, 456 flow [2024-11-07 15:46:19,560 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:46:19,569 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;@cb4b9a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:46:19,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-07 15:46:19,574 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:46:19,574 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-07 15:46:19,574 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:46:19,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:19,575 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] [2024-11-07 15:46:19,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:19,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:19,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1315286322, now seen corresponding path program 1 times [2024-11-07 15:46:19,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:19,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281877668] [2024-11-07 15:46:19,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:19,807 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 15:46:19,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:19,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281877668] [2024-11-07 15:46:19,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281877668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:19,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:19,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:19,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853117283] [2024-11-07 15:46:19,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:19,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:19,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:19,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:19,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:20,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 218 [2024-11-07 15:46:20,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 218 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 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 15:46:20,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:20,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 218 [2024-11-07 15:46:20,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:20,238 INFO L124 PetriNetUnfolderBase]: 85/994 cut-off events. [2024-11-07 15:46:20,238 INFO L125 PetriNetUnfolderBase]: For 43/45 co-relation queries the response was YES. [2024-11-07 15:46:20,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1228 conditions, 994 events. 85/994 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5519 event pairs, 64 based on Foata normal form. 82/892 useless extension candidates. Maximal degree in co-relation 886. Up to 207 conditions per place. [2024-11-07 15:46:20,251 INFO L140 encePairwiseOnDemand]: 207/218 looper letters, 31 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2024-11-07 15:46:20,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 207 transitions, 500 flow [2024-11-07 15:46:20,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2024-11-07 15:46:20,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8669724770642202 [2024-11-07 15:46:20,270 INFO L175 Difference]: Start difference. First operand has 210 places, 218 transitions, 456 flow. Second operand 3 states and 567 transitions. [2024-11-07 15:46:20,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 207 transitions, 500 flow [2024-11-07 15:46:20,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 207 transitions, 500 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:46:20,281 INFO L231 Difference]: Finished difference. Result has 207 places, 207 transitions, 438 flow [2024-11-07 15:46:20,283 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=207, PETRI_TRANSITIONS=207} [2024-11-07 15:46:20,287 INFO L277 CegarLoopForPetriNet]: 210 programPoint places, -3 predicate places. [2024-11-07 15:46:20,287 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 207 transitions, 438 flow [2024-11-07 15:46:20,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 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 15:46:20,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:20,288 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] [2024-11-07 15:46:20,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:46:20,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:20,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:20,289 INFO L85 PathProgramCache]: Analyzing trace with hash -707742264, now seen corresponding path program 1 times [2024-11-07 15:46:20,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:20,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511588914] [2024-11-07 15:46:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:20,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:20,372 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 15:46:20,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:20,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511588914] [2024-11-07 15:46:20,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511588914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:20,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:20,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:20,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799750388] [2024-11-07 15:46:20,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:20,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:20,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:20,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:20,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:20,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 218 [2024-11-07 15:46:20,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 207 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 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 15:46:20,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:20,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 218 [2024-11-07 15:46:20,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:20,670 INFO L124 PetriNetUnfolderBase]: 117/1005 cut-off events. [2024-11-07 15:46:20,671 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-07 15:46:20,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1333 conditions, 1005 events. 117/1005 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5494 event pairs, 78 based on Foata normal form. 0/884 useless extension candidates. Maximal degree in co-relation 1304. Up to 243 conditions per place. [2024-11-07 15:46:20,679 INFO L140 encePairwiseOnDemand]: 195/218 looper letters, 31 selfloop transitions, 11 changer transitions 0/197 dead transitions. [2024-11-07 15:46:20,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 197 transitions, 502 flow [2024-11-07 15:46:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2024-11-07 15:46:20,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8027522935779816 [2024-11-07 15:46:20,683 INFO L175 Difference]: Start difference. First operand has 207 places, 207 transitions, 438 flow. Second operand 3 states and 525 transitions. [2024-11-07 15:46:20,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 197 transitions, 502 flow [2024-11-07 15:46:20,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 197 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:20,688 INFO L231 Difference]: Finished difference. Result has 195 places, 195 transitions, 432 flow [2024-11-07 15:46:20,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=195, PETRI_TRANSITIONS=195} [2024-11-07 15:46:20,689 INFO L277 CegarLoopForPetriNet]: 210 programPoint places, -15 predicate places. [2024-11-07 15:46:20,689 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 195 transitions, 432 flow [2024-11-07 15:46:20,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 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 15:46:20,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:20,690 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] [2024-11-07 15:46:20,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:46:20,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:20,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:20,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1773346952, now seen corresponding path program 1 times [2024-11-07 15:46:20,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:20,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350107782] [2024-11-07 15:46:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:20,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:20,797 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 15:46:20,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:20,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350107782] [2024-11-07 15:46:20,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350107782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:20,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:20,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:46:20,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579252370] [2024-11-07 15:46:20,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:20,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:20,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:20,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:20,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:20,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 218 [2024-11-07 15:46:20,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 195 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 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 15:46:20,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:20,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 218 [2024-11-07 15:46:20,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:21,017 INFO L124 PetriNetUnfolderBase]: 27/511 cut-off events. [2024-11-07 15:46:21,017 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2024-11-07 15:46:21,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 511 events. 27/511 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1590 event pairs, 10 based on Foata normal form. 6/465 useless extension candidates. Maximal degree in co-relation 443. Up to 39 conditions per place. [2024-11-07 15:46:21,022 INFO L140 encePairwiseOnDemand]: 206/218 looper letters, 17 selfloop transitions, 8 changer transitions 9/200 dead transitions. [2024-11-07 15:46:21,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 200 transitions, 500 flow [2024-11-07 15:46:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:21,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2024-11-07 15:46:21,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.908256880733945 [2024-11-07 15:46:21,024 INFO L175 Difference]: Start difference. First operand has 195 places, 195 transitions, 432 flow. Second operand 3 states and 594 transitions. [2024-11-07 15:46:21,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 200 transitions, 500 flow [2024-11-07 15:46:21,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 200 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:21,031 INFO L231 Difference]: Finished difference. Result has 196 places, 187 transitions, 426 flow [2024-11-07 15:46:21,031 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=196, PETRI_TRANSITIONS=187} [2024-11-07 15:46:21,032 INFO L277 CegarLoopForPetriNet]: 210 programPoint places, -14 predicate places. [2024-11-07 15:46:21,032 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 187 transitions, 426 flow [2024-11-07 15:46:21,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 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 15:46:21,033 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:21,033 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] [2024-11-07 15:46:21,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:46:21,033 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:21,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:21,034 INFO L85 PathProgramCache]: Analyzing trace with hash 258671552, now seen corresponding path program 1 times [2024-11-07 15:46:21,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:21,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690950112] [2024-11-07 15:46:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:21,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:21,642 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 15:46:21,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:21,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690950112] [2024-11-07 15:46:21,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690950112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:21,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:21,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:46:21,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338879707] [2024-11-07 15:46:21,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:21,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:46:21,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:21,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:46:21,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:46:21,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 218 [2024-11-07 15:46:21,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 187 transitions, 426 flow. Second operand has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 0 states have call successors, (0), 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 15:46:21,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:21,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 218 [2024-11-07 15:46:21,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:22,033 INFO L124 PetriNetUnfolderBase]: 83/734 cut-off events. [2024-11-07 15:46:22,033 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-07 15:46:22,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 734 events. 83/734 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2892 event pairs, 5 based on Foata normal form. 0/674 useless extension candidates. Maximal degree in co-relation 815. Up to 193 conditions per place. [2024-11-07 15:46:22,039 INFO L140 encePairwiseOnDemand]: 212/218 looper letters, 42 selfloop transitions, 5 changer transitions 0/194 dead transitions. [2024-11-07 15:46:22,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 194 transitions, 534 flow [2024-11-07 15:46:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:46:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:46:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1055 transitions. [2024-11-07 15:46:22,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065749235474006 [2024-11-07 15:46:22,045 INFO L175 Difference]: Start difference. First operand has 196 places, 187 transitions, 426 flow. Second operand 6 states and 1055 transitions. [2024-11-07 15:46:22,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 194 transitions, 534 flow [2024-11-07 15:46:22,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 194 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:46:22,050 INFO L231 Difference]: Finished difference. Result has 190 places, 186 transitions, 426 flow [2024-11-07 15:46:22,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=426, PETRI_PLACES=190, PETRI_TRANSITIONS=186} [2024-11-07 15:46:22,051 INFO L277 CegarLoopForPetriNet]: 210 programPoint places, -20 predicate places. [2024-11-07 15:46:22,051 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 186 transitions, 426 flow [2024-11-07 15:46:22,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 0 states have call successors, (0), 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 15:46:22,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:22,052 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] [2024-11-07 15:46:22,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:46:22,053 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:22,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:22,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1761069613, now seen corresponding path program 1 times [2024-11-07 15:46:22,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:22,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613414713] [2024-11-07 15:46:22,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:22,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:22,114 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 15:46:22,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:22,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613414713] [2024-11-07 15:46:22,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613414713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:22,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:22,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:22,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954479249] [2024-11-07 15:46:22,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:22,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:22,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:22,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:22,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:22,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 218 [2024-11-07 15:46:22,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 186 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 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 15:46:22,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:22,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 218 [2024-11-07 15:46:22,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:22,316 INFO L124 PetriNetUnfolderBase]: 63/716 cut-off events. [2024-11-07 15:46:22,316 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-07 15:46:22,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 716 events. 63/716 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2845 event pairs, 49 based on Foata normal form. 0/650 useless extension candidates. Maximal degree in co-relation 749. Up to 151 conditions per place. [2024-11-07 15:46:22,322 INFO L140 encePairwiseOnDemand]: 215/218 looper letters, 32 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2024-11-07 15:46:22,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 496 flow [2024-11-07 15:46:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-11-07 15:46:22,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8562691131498471 [2024-11-07 15:46:22,325 INFO L175 Difference]: Start difference. First operand has 190 places, 186 transitions, 426 flow. Second operand 3 states and 560 transitions. [2024-11-07 15:46:22,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 496 flow [2024-11-07 15:46:22,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 187 transitions, 486 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:46:22,330 INFO L231 Difference]: Finished difference. Result has 186 places, 185 transitions, 418 flow [2024-11-07 15:46:22,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=186, PETRI_TRANSITIONS=185} [2024-11-07 15:46:22,331 INFO L277 CegarLoopForPetriNet]: 210 programPoint places, -24 predicate places. [2024-11-07 15:46:22,332 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 185 transitions, 418 flow [2024-11-07 15:46:22,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 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 15:46:22,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:22,333 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:46:22,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:46:22,333 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:22,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:22,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1996288427, now seen corresponding path program 1 times [2024-11-07 15:46:22,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:22,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6518368] [2024-11-07 15:46:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:22,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:46:22,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:22,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6518368] [2024-11-07 15:46:22,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6518368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:46:22,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727266176] [2024-11-07 15:46:22,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:22,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:46:22,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:46:22,471 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 15:46:22,473 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 15:46:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:22,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:46:22,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:46:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 15:46:22,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:46:22,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727266176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:22,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:46:22,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 15:46:22,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657476050] [2024-11-07 15:46:22,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:22,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:22,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:22,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:22,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:46:22,712 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 218 [2024-11-07 15:46:22,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 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 15:46:22,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:22,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 218 [2024-11-07 15:46:22,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:22,806 INFO L124 PetriNetUnfolderBase]: 63/700 cut-off events. [2024-11-07 15:46:22,806 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-07 15:46:22,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 700 events. 63/700 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2748 event pairs, 49 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 723. Up to 151 conditions per place. [2024-11-07 15:46:22,812 INFO L140 encePairwiseOnDemand]: 215/218 looper letters, 32 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2024-11-07 15:46:22,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 186 transitions, 488 flow [2024-11-07 15:46:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-11-07 15:46:22,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8562691131498471 [2024-11-07 15:46:22,814 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 418 flow. Second operand 3 states and 560 transitions. [2024-11-07 15:46:22,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 186 transitions, 488 flow [2024-11-07 15:46:22,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 186 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:22,818 INFO L231 Difference]: Finished difference. Result has 185 places, 184 transitions, 416 flow [2024-11-07 15:46:22,819 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=185, PETRI_TRANSITIONS=184} [2024-11-07 15:46:22,820 INFO L277 CegarLoopForPetriNet]: 210 programPoint places, -25 predicate places. [2024-11-07 15:46:22,820 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 184 transitions, 416 flow [2024-11-07 15:46:22,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 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 15:46:22,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:22,821 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:46:22,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 15:46:23,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:46:23,025 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-07 15:46:23,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash 95516775, now seen corresponding path program 1 times [2024-11-07 15:46:23,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:23,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77327082] [2024-11-07 15:46:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:46:23,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 15:46:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:46:23,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 15:46:23,096 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 15:46:23,097 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 38 remaining) [2024-11-07 15:46:23,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2024-11-07 15:46:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2024-11-07 15:46:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2024-11-07 15:46:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2024-11-07 15:46:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2024-11-07 15:46:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2024-11-07 15:46:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2024-11-07 15:46:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2024-11-07 15:46:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2024-11-07 15:46:23,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:46:23,106 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:23,112 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-07 15:46:23,113 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-07 15:46:23,153 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-07 15:46:23,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 259 places, 272 transitions, 588 flow [2024-11-07 15:46:23,365 INFO L124 PetriNetUnfolderBase]: 131/1812 cut-off events. [2024-11-07 15:46:23,366 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-07 15:46:23,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1901 conditions, 1812 events. 131/1812 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10481 event pairs, 2 based on Foata normal form. 0/1429 useless extension candidates. Maximal degree in co-relation 1028. Up to 32 conditions per place. [2024-11-07 15:46:23,379 INFO L82 GeneralOperation]: Start removeDead. Operand has 259 places, 272 transitions, 588 flow [2024-11-07 15:46:23,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 259 places, 272 transitions, 588 flow [2024-11-07 15:46:23,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:46:23,395 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;@cb4b9a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:46:23,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-07 15:46:23,398 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:46:23,398 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-07 15:46:23,399 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:46:23,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:23,399 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] [2024-11-07 15:46:23,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:23,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:23,399 INFO L85 PathProgramCache]: Analyzing trace with hash 586871886, now seen corresponding path program 1 times [2024-11-07 15:46:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137891791] [2024-11-07 15:46:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:23,430 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 15:46:23,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:23,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137891791] [2024-11-07 15:46:23,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137891791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:23,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:23,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:23,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090298486] [2024-11-07 15:46:23,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:23,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:23,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:23,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:23,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:23,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 272 [2024-11-07 15:46:23,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 272 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 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 15:46:23,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:23,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 272 [2024-11-07 15:46:23,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:24,845 INFO L124 PetriNetUnfolderBase]: 1200/7025 cut-off events. [2024-11-07 15:46:24,846 INFO L125 PetriNetUnfolderBase]: For 678/712 co-relation queries the response was YES. [2024-11-07 15:46:24,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9370 conditions, 7025 events. 1200/7025 cut-off events. For 678/712 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 62105 event pairs, 985 based on Foata normal form. 1614/7418 useless extension candidates. Maximal degree in co-relation 4757. Up to 2070 conditions per place. [2024-11-07 15:46:24,951 INFO L140 encePairwiseOnDemand]: 257/272 looper letters, 39 selfloop transitions, 2 changer transitions 0/255 dead transitions. [2024-11-07 15:46:24,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 255 transitions, 636 flow [2024-11-07 15:46:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2024-11-07 15:46:24,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8602941176470589 [2024-11-07 15:46:24,954 INFO L175 Difference]: Start difference. First operand has 259 places, 272 transitions, 588 flow. Second operand 3 states and 702 transitions. [2024-11-07 15:46:24,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 255 transitions, 636 flow [2024-11-07 15:46:24,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 255 transitions, 636 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:46:24,961 INFO L231 Difference]: Finished difference. Result has 252 places, 255 transitions, 558 flow [2024-11-07 15:46:24,961 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=252, PETRI_TRANSITIONS=255} [2024-11-07 15:46:24,963 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -7 predicate places. [2024-11-07 15:46:24,963 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 255 transitions, 558 flow [2024-11-07 15:46:24,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 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 15:46:24,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:24,964 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] [2024-11-07 15:46:24,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:46:24,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:24,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:24,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1310803050, now seen corresponding path program 1 times [2024-11-07 15:46:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:24,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230787291] [2024-11-07 15:46:24,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:24,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:24,994 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 15:46:24,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230787291] [2024-11-07 15:46:24,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230787291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:24,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:24,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:24,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724096793] [2024-11-07 15:46:24,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:24,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:24,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:24,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:25,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 272 [2024-11-07 15:46:25,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 255 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 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 15:46:25,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:25,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 272 [2024-11-07 15:46:25,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:26,320 INFO L124 PetriNetUnfolderBase]: 1650/7399 cut-off events. [2024-11-07 15:46:26,321 INFO L125 PetriNetUnfolderBase]: For 653/671 co-relation queries the response was YES. [2024-11-07 15:46:26,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10619 conditions, 7399 events. 1650/7399 cut-off events. For 653/671 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 62410 event pairs, 1169 based on Foata normal form. 0/6613 useless extension candidates. Maximal degree in co-relation 10588. Up to 2412 conditions per place. [2024-11-07 15:46:26,418 INFO L140 encePairwiseOnDemand]: 249/272 looper letters, 41 selfloop transitions, 11 changer transitions 0/247 dead transitions. [2024-11-07 15:46:26,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 247 transitions, 646 flow [2024-11-07 15:46:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2024-11-07 15:46:26,420 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8063725490196079 [2024-11-07 15:46:26,420 INFO L175 Difference]: Start difference. First operand has 252 places, 255 transitions, 558 flow. Second operand 3 states and 658 transitions. [2024-11-07 15:46:26,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 247 transitions, 646 flow [2024-11-07 15:46:26,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 247 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:26,428 INFO L231 Difference]: Finished difference. Result has 240 places, 243 transitions, 552 flow [2024-11-07 15:46:26,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=240, PETRI_TRANSITIONS=243} [2024-11-07 15:46:26,430 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -19 predicate places. [2024-11-07 15:46:26,431 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 243 transitions, 552 flow [2024-11-07 15:46:26,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 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 15:46:26,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:26,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:26,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:46:26,432 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:26,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash 169601016, now seen corresponding path program 1 times [2024-11-07 15:46:26,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:26,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286741438] [2024-11-07 15:46:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:26,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:26,537 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 15:46:26,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:26,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286741438] [2024-11-07 15:46:26,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286741438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:26,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:26,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:46:26,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828544266] [2024-11-07 15:46:26,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:26,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:26,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:26,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:26,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:26,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 272 [2024-11-07 15:46:26,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 243 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 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 15:46:26,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:26,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 272 [2024-11-07 15:46:26,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:27,412 INFO L124 PetriNetUnfolderBase]: 630/4819 cut-off events. [2024-11-07 15:46:27,413 INFO L125 PetriNetUnfolderBase]: For 775/817 co-relation queries the response was YES. [2024-11-07 15:46:27,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6501 conditions, 4819 events. 630/4819 cut-off events. For 775/817 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 40420 event pairs, 228 based on Foata normal form. 42/4348 useless extension candidates. Maximal degree in co-relation 4159. Up to 682 conditions per place. [2024-11-07 15:46:27,468 INFO L140 encePairwiseOnDemand]: 260/272 looper letters, 37 selfloop transitions, 8 changer transitions 0/259 dead transitions. [2024-11-07 15:46:27,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 259 transitions, 698 flow [2024-11-07 15:46:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2024-11-07 15:46:27,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9019607843137255 [2024-11-07 15:46:27,471 INFO L175 Difference]: Start difference. First operand has 240 places, 243 transitions, 552 flow. Second operand 3 states and 736 transitions. [2024-11-07 15:46:27,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 259 transitions, 698 flow [2024-11-07 15:46:27,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 259 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:27,479 INFO L231 Difference]: Finished difference. Result has 241 places, 247 transitions, 578 flow [2024-11-07 15:46:27,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=241, PETRI_TRANSITIONS=247} [2024-11-07 15:46:27,480 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -18 predicate places. [2024-11-07 15:46:27,480 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 247 transitions, 578 flow [2024-11-07 15:46:27,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 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 15:46:27,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:27,482 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] [2024-11-07 15:46:27,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:46:27,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:27,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:27,483 INFO L85 PathProgramCache]: Analyzing trace with hash 631504654, now seen corresponding path program 1 times [2024-11-07 15:46:27,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:27,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005269589] [2024-11-07 15:46:27,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:27,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:27,784 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 15:46:27,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:27,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005269589] [2024-11-07 15:46:27,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005269589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:27,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:27,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:46:27,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348255151] [2024-11-07 15:46:27,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:27,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:46:27,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:27,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:46:27,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:46:28,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 272 [2024-11-07 15:46:28,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 247 transitions, 578 flow. Second operand has 6 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 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 15:46:28,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:28,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 272 [2024-11-07 15:46:28,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:29,316 INFO L124 PetriNetUnfolderBase]: 1558/7502 cut-off events. [2024-11-07 15:46:29,317 INFO L125 PetriNetUnfolderBase]: For 740/740 co-relation queries the response was YES. [2024-11-07 15:46:29,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11144 conditions, 7502 events. 1558/7502 cut-off events. For 740/740 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 63246 event pairs, 74 based on Foata normal form. 0/6971 useless extension candidates. Maximal degree in co-relation 5065. Up to 2728 conditions per place. [2024-11-07 15:46:29,412 INFO L140 encePairwiseOnDemand]: 266/272 looper letters, 62 selfloop transitions, 6 changer transitions 0/262 dead transitions. [2024-11-07 15:46:29,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 262 transitions, 744 flow [2024-11-07 15:46:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:46:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:46:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1319 transitions. [2024-11-07 15:46:29,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8082107843137255 [2024-11-07 15:46:29,417 INFO L175 Difference]: Start difference. First operand has 241 places, 247 transitions, 578 flow. Second operand 6 states and 1319 transitions. [2024-11-07 15:46:29,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 262 transitions, 744 flow [2024-11-07 15:46:29,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 262 transitions, 736 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:46:29,424 INFO L231 Difference]: Finished difference. Result has 244 places, 246 transitions, 580 flow [2024-11-07 15:46:29,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=580, PETRI_PLACES=244, PETRI_TRANSITIONS=246} [2024-11-07 15:46:29,426 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -15 predicate places. [2024-11-07 15:46:29,426 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 246 transitions, 580 flow [2024-11-07 15:46:29,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 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 15:46:29,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:29,427 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] [2024-11-07 15:46:29,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:46:29,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:29,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash 627119402, now seen corresponding path program 1 times [2024-11-07 15:46:29,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:29,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633685281] [2024-11-07 15:46:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:29,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:29,465 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 15:46:29,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:29,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633685281] [2024-11-07 15:46:29,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633685281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:29,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:29,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942021184] [2024-11-07 15:46:29,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:29,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:29,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:29,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:29,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 272 [2024-11-07 15:46:29,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 246 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 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 15:46:29,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:29,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 272 [2024-11-07 15:46:29,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:30,511 INFO L124 PetriNetUnfolderBase]: 1177/6971 cut-off events. [2024-11-07 15:46:30,511 INFO L125 PetriNetUnfolderBase]: For 750/750 co-relation queries the response was YES. [2024-11-07 15:46:30,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9778 conditions, 6971 events. 1177/6971 cut-off events. For 750/750 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 60429 event pairs, 990 based on Foata normal form. 0/6384 useless extension candidates. Maximal degree in co-relation 4376. Up to 2049 conditions per place. [2024-11-07 15:46:30,578 INFO L140 encePairwiseOnDemand]: 269/272 looper letters, 43 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-11-07 15:46:30,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 249 transitions, 676 flow [2024-11-07 15:46:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-11-07 15:46:30,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8504901960784313 [2024-11-07 15:46:30,580 INFO L175 Difference]: Start difference. First operand has 244 places, 246 transitions, 580 flow. Second operand 3 states and 694 transitions. [2024-11-07 15:46:30,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 249 transitions, 676 flow [2024-11-07 15:46:30,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 249 transitions, 664 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:46:30,586 INFO L231 Difference]: Finished difference. Result has 240 places, 245 transitions, 570 flow [2024-11-07 15:46:30,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=240, PETRI_TRANSITIONS=245} [2024-11-07 15:46:30,587 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -19 predicate places. [2024-11-07 15:46:30,587 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 245 transitions, 570 flow [2024-11-07 15:46:30,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 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 15:46:30,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:30,588 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:46:30,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:46:30,589 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:30,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:30,589 INFO L85 PathProgramCache]: Analyzing trace with hash -258553338, now seen corresponding path program 1 times [2024-11-07 15:46:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:30,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345811899] [2024-11-07 15:46:30,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:30,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:30,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:46:30,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:30,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345811899] [2024-11-07 15:46:30,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345811899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:46:30,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572442208] [2024-11-07 15:46:30,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:30,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:46:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:46:30,681 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 15:46:30,683 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 15:46:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:30,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:46:30,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:46:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 15:46:30,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:46:30,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572442208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:30,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:46:30,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 15:46:30,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759579535] [2024-11-07 15:46:30,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:30,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:30,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:46:30,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 272 [2024-11-07 15:46:30,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 245 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 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 15:46:30,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:30,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 272 [2024-11-07 15:46:30,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:31,742 INFO L124 PetriNetUnfolderBase]: 1177/6926 cut-off events. [2024-11-07 15:46:31,742 INFO L125 PetriNetUnfolderBase]: For 752/752 co-relation queries the response was YES. [2024-11-07 15:46:31,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9695 conditions, 6926 events. 1177/6926 cut-off events. For 752/752 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 59995 event pairs, 990 based on Foata normal form. 0/6336 useless extension candidates. Maximal degree in co-relation 4882. Up to 2049 conditions per place. [2024-11-07 15:46:31,796 INFO L140 encePairwiseOnDemand]: 269/272 looper letters, 43 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2024-11-07 15:46:31,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 248 transitions, 666 flow [2024-11-07 15:46:31,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-11-07 15:46:31,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8504901960784313 [2024-11-07 15:46:31,798 INFO L175 Difference]: Start difference. First operand has 240 places, 245 transitions, 570 flow. Second operand 3 states and 694 transitions. [2024-11-07 15:46:31,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 248 transitions, 666 flow [2024-11-07 15:46:31,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 248 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:31,804 INFO L231 Difference]: Finished difference. Result has 239 places, 244 transitions, 568 flow [2024-11-07 15:46:31,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=239, PETRI_TRANSITIONS=244} [2024-11-07 15:46:31,806 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -20 predicate places. [2024-11-07 15:46:31,806 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 244 transitions, 568 flow [2024-11-07 15:46:31,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 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 15:46:31,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:31,806 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-07 15:46:31,825 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 15:46:32,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:46:32,007 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:32,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash 47910380, now seen corresponding path program 1 times [2024-11-07 15:46:32,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:32,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133677929] [2024-11-07 15:46:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:46:32,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:32,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133677929] [2024-11-07 15:46:32,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133677929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:46:32,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625354750] [2024-11-07 15:46:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:46:32,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:46:32,118 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 15:46:32,120 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 15:46:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:32,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:46:32,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:46:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:46:32,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:46:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:46:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625354750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:46:32,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:46:32,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:46:32,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608062131] [2024-11-07 15:46:32,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:46:32,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:46:32,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:32,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:46:32,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:46:32,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 272 [2024-11-07 15:46:32,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 244 transitions, 568 flow. Second operand has 10 states, 10 states have (on average 223.3) internal successors, (2233), 10 states have internal predecessors, (2233), 0 states have call successors, (0), 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 15:46:32,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:32,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 272 [2024-11-07 15:46:32,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:32,788 INFO L124 PetriNetUnfolderBase]: 62/390 cut-off events. [2024-11-07 15:46:32,788 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-07 15:46:32,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 390 events. 62/390 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1457 event pairs, 0 based on Foata normal form. 12/402 useless extension candidates. Maximal degree in co-relation 540. Up to 42 conditions per place. [2024-11-07 15:46:32,789 INFO L140 encePairwiseOnDemand]: 267/272 looper letters, 29 selfloop transitions, 7 changer transitions 0/80 dead transitions. [2024-11-07 15:46:32,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 248 flow [2024-11-07 15:46:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:46:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:46:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2027 transitions. [2024-11-07 15:46:32,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8280228758169934 [2024-11-07 15:46:32,794 INFO L175 Difference]: Start difference. First operand has 239 places, 244 transitions, 568 flow. Second operand 9 states and 2027 transitions. [2024-11-07 15:46:32,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 248 flow [2024-11-07 15:46:32,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 80 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:46:32,796 INFO L231 Difference]: Finished difference. Result has 75 places, 60 transitions, 150 flow [2024-11-07 15:46:32,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=150, PETRI_PLACES=75, PETRI_TRANSITIONS=60} [2024-11-07 15:46:32,797 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -184 predicate places. [2024-11-07 15:46:32,797 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 60 transitions, 150 flow [2024-11-07 15:46:32,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 223.3) internal successors, (2233), 10 states have internal predecessors, (2233), 0 states have call successors, (0), 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 15:46:32,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:32,799 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 15:46:32,815 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 15:46:33,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:46:33,003 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-07 15:46:33,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:33,004 INFO L85 PathProgramCache]: Analyzing trace with hash 964841816, now seen corresponding path program 1 times [2024-11-07 15:46:33,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:33,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523802274] [2024-11-07 15:46:33,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:46:33,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 15:46:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:46:33,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 15:46:33,062 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-11-07 15:46:33,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-11-07 15:46:33,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-11-07 15:46:33,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-11-07 15:46:33,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-11-07 15:46:33,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:46:33,067 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:33,068 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-07 15:46:33,069 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-07 15:46:33,107 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-11-07 15:46:33,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 308 places, 326 transitions, 724 flow [2024-11-07 15:46:33,937 INFO L124 PetriNetUnfolderBase]: 544/5934 cut-off events. [2024-11-07 15:46:33,938 INFO L125 PetriNetUnfolderBase]: For 419/419 co-relation queries the response was YES. [2024-11-07 15:46:33,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6370 conditions, 5934 events. 544/5934 cut-off events. For 419/419 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 46621 event pairs, 64 based on Foata normal form. 0/4713 useless extension candidates. Maximal degree in co-relation 3413. Up to 192 conditions per place. [2024-11-07 15:46:33,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 308 places, 326 transitions, 724 flow [2024-11-07 15:46:34,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 308 places, 326 transitions, 724 flow [2024-11-07 15:46:34,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:46:34,057 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;@cb4b9a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:46:34,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-07 15:46:34,059 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:46:34,059 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-07 15:46:34,059 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:46:34,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:34,059 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] [2024-11-07 15:46:34,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:46:34,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:34,060 INFO L85 PathProgramCache]: Analyzing trace with hash 292481358, now seen corresponding path program 1 times [2024-11-07 15:46:34,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:34,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312422162] [2024-11-07 15:46:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:34,079 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 15:46:34,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:34,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312422162] [2024-11-07 15:46:34,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312422162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:34,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:34,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:34,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557647152] [2024-11-07 15:46:34,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:34,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:34,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:34,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:34,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:34,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 326 [2024-11-07 15:46:34,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 326 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 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 15:46:34,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:34,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 326 [2024-11-07 15:46:34,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:41,924 INFO L124 PetriNetUnfolderBase]: 12815/49237 cut-off events. [2024-11-07 15:46:41,924 INFO L125 PetriNetUnfolderBase]: For 7831/8377 co-relation queries the response was YES. [2024-11-07 15:46:42,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71260 conditions, 49237 events. 12815/49237 cut-off events. For 7831/8377 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 571396 event pairs, 10886 based on Foata normal form. 19499/60616 useless extension candidates. Maximal degree in co-relation 36872. Up to 19303 conditions per place. [2024-11-07 15:46:42,953 INFO L140 encePairwiseOnDemand]: 307/326 looper letters, 47 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-07 15:46:42,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 303 transitions, 776 flow [2024-11-07 15:46:42,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:42,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2024-11-07 15:46:42,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8558282208588958 [2024-11-07 15:46:42,955 INFO L175 Difference]: Start difference. First operand has 308 places, 326 transitions, 724 flow. Second operand 3 states and 837 transitions. [2024-11-07 15:46:42,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 303 transitions, 776 flow [2024-11-07 15:46:42,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 303 transitions, 776 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:46:42,971 INFO L231 Difference]: Finished difference. Result has 297 places, 303 transitions, 682 flow [2024-11-07 15:46:42,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=297, PETRI_TRANSITIONS=303} [2024-11-07 15:46:42,973 INFO L277 CegarLoopForPetriNet]: 308 programPoint places, -11 predicate places. [2024-11-07 15:46:42,973 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 303 transitions, 682 flow [2024-11-07 15:46:42,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 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 15:46:42,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:42,973 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] [2024-11-07 15:46:42,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:46:42,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:46:42,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:42,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1175482534, now seen corresponding path program 1 times [2024-11-07 15:46:42,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:42,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762180373] [2024-11-07 15:46:42,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:42,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:42,992 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 15:46:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762180373] [2024-11-07 15:46:42,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762180373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:42,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:42,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765729918] [2024-11-07 15:46:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:42,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:42,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:43,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 326 [2024-11-07 15:46:43,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 303 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 0 states have call successors, (0), 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 15:46:43,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:43,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 326 [2024-11-07 15:46:43,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:52,242 INFO L124 PetriNetUnfolderBase]: 17515/54770 cut-off events. [2024-11-07 15:46:52,242 INFO L125 PetriNetUnfolderBase]: For 7723/8171 co-relation queries the response was YES. [2024-11-07 15:46:52,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84337 conditions, 54770 events. 17515/54770 cut-off events. For 7723/8171 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 595268 event pairs, 12762 based on Foata normal form. 0/49554 useless extension candidates. Maximal degree in co-relation 84304. Up to 22195 conditions per place. [2024-11-07 15:46:53,106 INFO L140 encePairwiseOnDemand]: 303/326 looper letters, 51 selfloop transitions, 11 changer transitions 0/297 dead transitions. [2024-11-07 15:46:53,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 297 transitions, 794 flow [2024-11-07 15:46:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 791 transitions. [2024-11-07 15:46:53,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8087934560327198 [2024-11-07 15:46:53,108 INFO L175 Difference]: Start difference. First operand has 297 places, 303 transitions, 682 flow. Second operand 3 states and 791 transitions. [2024-11-07 15:46:53,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 297 transitions, 794 flow [2024-11-07 15:46:53,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 297 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:53,126 INFO L231 Difference]: Finished difference. Result has 285 places, 291 transitions, 676 flow [2024-11-07 15:46:53,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=676, PETRI_PLACES=285, PETRI_TRANSITIONS=291} [2024-11-07 15:46:53,127 INFO L277 CegarLoopForPetriNet]: 308 programPoint places, -23 predicate places. [2024-11-07 15:46:53,127 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 291 transitions, 676 flow [2024-11-07 15:46:53,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 0 states have call successors, (0), 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 15:46:53,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:53,128 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] [2024-11-07 15:46:53,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:46:53,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:46:53,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash -75841800, now seen corresponding path program 1 times [2024-11-07 15:46:53,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131002166] [2024-11-07 15:46:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:53,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:53,150 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 15:46:53,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:53,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131002166] [2024-11-07 15:46:53,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131002166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:53,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:53,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:46:53,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040700197] [2024-11-07 15:46:53,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:53,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:53,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:53,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:53,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:53,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 326 [2024-11-07 15:46:53,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 291 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 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 15:46:53,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:53,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 326 [2024-11-07 15:46:53,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:59,147 INFO L124 PetriNetUnfolderBase]: 8365/37765 cut-off events. [2024-11-07 15:46:59,147 INFO L125 PetriNetUnfolderBase]: For 10106/10660 co-relation queries the response was YES. [2024-11-07 15:46:59,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55596 conditions, 37765 events. 8365/37765 cut-off events. For 10106/10660 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 459389 event pairs, 3344 based on Foata normal form. 300/33765 useless extension candidates. Maximal degree in co-relation 37121. Up to 8245 conditions per place. [2024-11-07 15:46:59,771 INFO L140 encePairwiseOnDemand]: 314/326 looper letters, 51 selfloop transitions, 8 changer transitions 0/313 dead transitions. [2024-11-07 15:46:59,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 313 transitions, 874 flow [2024-11-07 15:46:59,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:59,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 873 transitions. [2024-11-07 15:46:59,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8926380368098159 [2024-11-07 15:46:59,773 INFO L175 Difference]: Start difference. First operand has 285 places, 291 transitions, 676 flow. Second operand 3 states and 873 transitions. [2024-11-07 15:46:59,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 313 transitions, 874 flow [2024-11-07 15:46:59,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 313 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:59,791 INFO L231 Difference]: Finished difference. Result has 286 places, 295 transitions, 702 flow [2024-11-07 15:46:59,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=286, PETRI_TRANSITIONS=295} [2024-11-07 15:46:59,791 INFO L277 CegarLoopForPetriNet]: 308 programPoint places, -22 predicate places. [2024-11-07 15:46:59,792 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 295 transitions, 702 flow [2024-11-07 15:46:59,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 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 15:46:59,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:59,792 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] [2024-11-07 15:46:59,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:46:59,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:46:59,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash -639082542, now seen corresponding path program 1 times [2024-11-07 15:46:59,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:59,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347330818] [2024-11-07 15:46:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:59,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:59,981 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 15:46:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347330818] [2024-11-07 15:46:59,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347330818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:59,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:59,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:46:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969487533] [2024-11-07 15:46:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:59,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:46:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:46:59,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:47:00,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 326 [2024-11-07 15:47:00,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 295 transitions, 702 flow. Second operand has 6 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 0 states have call successors, (0), 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 15:47:00,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:47:00,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 326 [2024-11-07 15:47:00,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:47:10,956 INFO L124 PetriNetUnfolderBase]: 19159/64405 cut-off events. [2024-11-07 15:47:10,957 INFO L125 PetriNetUnfolderBase]: For 9276/9276 co-relation queries the response was YES. [2024-11-07 15:47:11,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101733 conditions, 64405 events. 19159/64405 cut-off events. For 9276/9276 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 749158 event pairs, 801 based on Foata normal form. 0/60778 useless extension candidates. Maximal degree in co-relation 49665. Up to 29355 conditions per place. [2024-11-07 15:47:12,073 INFO L140 encePairwiseOnDemand]: 320/326 looper letters, 78 selfloop transitions, 6 changer transitions 0/318 dead transitions. [2024-11-07 15:47:12,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 318 transitions, 916 flow [2024-11-07 15:47:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:47:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:47:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1581 transitions. [2024-11-07 15:47:12,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.808282208588957 [2024-11-07 15:47:12,076 INFO L175 Difference]: Start difference. First operand has 286 places, 295 transitions, 702 flow. Second operand 6 states and 1581 transitions. [2024-11-07 15:47:12,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 318 transitions, 916 flow [2024-11-07 15:47:12,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 318 transitions, 908 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:47:12,084 INFO L231 Difference]: Finished difference. Result has 289 places, 294 transitions, 704 flow [2024-11-07 15:47:12,085 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=704, PETRI_PLACES=289, PETRI_TRANSITIONS=294} [2024-11-07 15:47:12,085 INFO L277 CegarLoopForPetriNet]: 308 programPoint places, -19 predicate places. [2024-11-07 15:47:12,085 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 294 transitions, 704 flow [2024-11-07 15:47:12,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 0 states have call successors, (0), 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 15:47:12,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:47:12,086 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] [2024-11-07 15:47:12,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:47:12,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:47:12,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:47:12,086 INFO L85 PathProgramCache]: Analyzing trace with hash 225700509, now seen corresponding path program 1 times [2024-11-07 15:47:12,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:47:12,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851558540] [2024-11-07 15:47:12,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:47:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:47:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:47:12,113 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 15:47:12,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:47:12,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851558540] [2024-11-07 15:47:12,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851558540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:47:12,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:47:12,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:47:12,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963135027] [2024-11-07 15:47:12,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:47:12,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:47:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:47:12,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:47:12,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:47:12,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 326 [2024-11-07 15:47:12,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 294 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 260.0) internal successors, (780), 3 states have internal predecessors, (780), 0 states have call successors, (0), 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 15:47:12,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:47:12,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 326 [2024-11-07 15:47:12,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand