./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_05-funloop_hard2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/goblint-regression/06-symbeq_05-funloop_hard2.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', '9e83a031749850377e0f1ecd2c361048b8f87f697f146600048034d31c93bd9a'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_05-funloop_hard2.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 9e83a031749850377e0f1ecd2c361048b8f87f697f146600048034d31c93bd9a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:34:24,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:34:25,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:34:25,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:34:25,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:34:25,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:34:25,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:34:25,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:34:25,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:34:25,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:34:25,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:34:25,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:34:25,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:34:25,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:34:25,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:34:25,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:34:25,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:34:25,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:34:25,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:34:25,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:34:25,106 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 -> 9e83a031749850377e0f1ecd2c361048b8f87f697f146600048034d31c93bd9a [2024-11-07 15:34:25,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:34:25,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:34:25,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:34:25,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:34:25,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:34:25,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_05-funloop_hard2.i [2024-11-07 15:34:26,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:34:26,970 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:34:26,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_05-funloop_hard2.i [2024-11-07 15:34:26,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e991334ea/3389b8a852ce456d96aad6ca8559c11c/FLAGf974147ef [2024-11-07 15:34:27,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e991334ea/3389b8a852ce456d96aad6ca8559c11c [2024-11-07 15:34:27,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:34:27,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:34:27,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:34:27,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:34:27,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:34:27,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1699d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27, skipping insertion in model container [2024-11-07 15:34:27,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:34:27,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:34:27,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:34:27,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:34:27,677 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:34:27,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27 WrapperNode [2024-11-07 15:34:27,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:34:27,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:34:27,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:34:27,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:34:27,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,730 INFO L138 Inliner]: procedures = 263, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 179 [2024-11-07 15:34:27,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:34:27,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:34:27,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:34:27,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:34:27,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:34:27,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:34:27,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:34:27,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:34:27,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (1/1) ... [2024-11-07 15:34:27,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:34:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:27,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 15:34:27,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 15:34:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:34:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:34:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:34:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:34:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:34:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:34:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:34:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:34:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:34:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:34:27,828 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:34:27,972 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:34:27,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:34:28,303 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:34:28,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:34:28,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:34:28,338 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 15:34:28,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:34:28 BoogieIcfgContainer [2024-11-07 15:34:28,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:34:28,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:34:28,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:34:28,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:34:28,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:34:27" (1/3) ... [2024-11-07 15:34:28,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d0bc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:34:28, skipping insertion in model container [2024-11-07 15:34:28,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:27" (2/3) ... [2024-11-07 15:34:28,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d0bc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:34:28, skipping insertion in model container [2024-11-07 15:34:28,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:34:28" (3/3) ... [2024-11-07 15:34:28,349 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_05-funloop_hard2.i [2024-11-07 15:34:28,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:34:28,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 15:34:28,365 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:34:28,437 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:34:28,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 185 transitions, 374 flow [2024-11-07 15:34:28,570 INFO L124 PetriNetUnfolderBase]: 6/184 cut-off events. [2024-11-07 15:34:28,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:28,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 184 events. 6/184 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 226 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-11-07 15:34:28,583 INFO L82 GeneralOperation]: Start removeDead. Operand has 183 places, 185 transitions, 374 flow [2024-11-07 15:34:28,588 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 184 transitions, 371 flow [2024-11-07 15:34:28,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:34:28,611 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;@cc57c0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:34:28,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-07 15:34:28,650 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:34:28,650 INFO L124 PetriNetUnfolderBase]: 4/118 cut-off events. [2024-11-07 15:34:28,650 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:34:28,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:28,651 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:28,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:28,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:28,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1787129944, now seen corresponding path program 1 times [2024-11-07 15:34:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:28,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340148220] [2024-11-07 15:34:28,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:29,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:29,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340148220] [2024-11-07 15:34:29,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340148220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:29,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:29,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:34:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094324952] [2024-11-07 15:34:29,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:29,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:34:29,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:29,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:34:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:34:29,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 185 [2024-11-07 15:34:29,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 184 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:29,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:29,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 185 [2024-11-07 15:34:29,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:29,260 INFO L124 PetriNetUnfolderBase]: 17/319 cut-off events. [2024-11-07 15:34:29,260 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:34:29,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 319 events. 17/319 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 897 event pairs, 10 based on Foata normal form. 12/310 useless extension candidates. Maximal degree in co-relation 266. Up to 38 conditions per place. [2024-11-07 15:34:29,267 INFO L140 encePairwiseOnDemand]: 179/185 looper letters, 12 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2024-11-07 15:34:29,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 182 transitions, 395 flow [2024-11-07 15:34:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:34:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:34:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2024-11-07 15:34:29,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477477477477477 [2024-11-07 15:34:29,283 INFO L175 Difference]: Start difference. First operand has 182 places, 184 transitions, 371 flow. Second operand 3 states and 526 transitions. [2024-11-07 15:34:29,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 182 transitions, 395 flow [2024-11-07 15:34:29,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 182 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:29,294 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 376 flow [2024-11-07 15:34:29,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2024-11-07 15:34:29,299 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 2 predicate places. [2024-11-07 15:34:29,300 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 376 flow [2024-11-07 15:34:29,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:29,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:29,300 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:29,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:34:29,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:29,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:29,303 INFO L85 PathProgramCache]: Analyzing trace with hash -819207593, now seen corresponding path program 1 times [2024-11-07 15:34:29,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:29,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181839865] [2024-11-07 15:34:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:29,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:29,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181839865] [2024-11-07 15:34:29,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181839865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:34:29,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657236195] [2024-11-07 15:34:29,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:29,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:29,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:29,571 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 15:34:29,574 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 15:34:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:29,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 15:34:29,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:34:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 15:34:29,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:34:29,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657236195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:29,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:34:29,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 15:34:29,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945993002] [2024-11-07 15:34:29,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:29,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:34:29,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:29,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:34:29,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:29,773 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 185 [2024-11-07 15:34:29,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:29,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:29,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 185 [2024-11-07 15:34:29,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:29,899 INFO L124 PetriNetUnfolderBase]: 35/478 cut-off events. [2024-11-07 15:34:29,899 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:34:29,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 478 events. 35/478 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1746 event pairs, 10 based on Foata normal form. 3/452 useless extension candidates. Maximal degree in co-relation 478. Up to 51 conditions per place. [2024-11-07 15:34:29,905 INFO L140 encePairwiseOnDemand]: 182/185 looper letters, 16 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2024-11-07 15:34:29,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 187 transitions, 422 flow [2024-11-07 15:34:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:34:29,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:34:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2024-11-07 15:34:29,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477477477477477 [2024-11-07 15:34:29,911 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 376 flow. Second operand 3 states and 526 transitions. [2024-11-07 15:34:29,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 187 transitions, 422 flow [2024-11-07 15:34:29,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 187 transitions, 420 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:29,916 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 386 flow [2024-11-07 15:34:29,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2024-11-07 15:34:29,919 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 4 predicate places. [2024-11-07 15:34:29,919 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 386 flow [2024-11-07 15:34:29,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:29,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:29,920 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:29,939 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 15:34:30,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:30,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:30,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:30,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1725730826, now seen corresponding path program 1 times [2024-11-07 15:34:30,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:30,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753117402] [2024-11-07 15:34:30,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:30,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:30,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:30,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753117402] [2024-11-07 15:34:30,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753117402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:34:30,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985613222] [2024-11-07 15:34:30,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:30,305 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 15:34:30,307 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 15:34:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:30,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:34:30,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:34:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:30,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:34:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:30,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985613222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:34:30,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:34:30,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:34:30,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743807775] [2024-11-07 15:34:30,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:34:30,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:34:30,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:34:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:34:30,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 185 [2024-11-07 15:34:30,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 183 transitions, 386 flow. Second operand has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:30,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:30,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 185 [2024-11-07 15:34:30,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:30,749 INFO L124 PetriNetUnfolderBase]: 19/411 cut-off events. [2024-11-07 15:34:30,749 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:34:30,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 411 events. 19/411 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1287 event pairs, 14 based on Foata normal form. 2/391 useless extension candidates. Maximal degree in co-relation 381. Up to 44 conditions per place. [2024-11-07 15:34:30,753 INFO L140 encePairwiseOnDemand]: 179/185 looper letters, 16 selfloop transitions, 9 changer transitions 0/191 dead transitions. [2024-11-07 15:34:30,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 191 transitions, 454 flow [2024-11-07 15:34:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:34:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:34:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1521 transitions. [2024-11-07 15:34:30,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135135135135135 [2024-11-07 15:34:30,759 INFO L175 Difference]: Start difference. First operand has 186 places, 183 transitions, 386 flow. Second operand 9 states and 1521 transitions. [2024-11-07 15:34:30,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 191 transitions, 454 flow [2024-11-07 15:34:30,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 191 transitions, 452 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:30,765 INFO L231 Difference]: Finished difference. Result has 196 places, 189 transitions, 434 flow [2024-11-07 15:34:30,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=434, PETRI_PLACES=196, PETRI_TRANSITIONS=189} [2024-11-07 15:34:30,767 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 14 predicate places. [2024-11-07 15:34:30,767 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 189 transitions, 434 flow [2024-11-07 15:34:30,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:30,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:30,769 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:30,787 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 15:34:30,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:30,970 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:30,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:30,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1706137450, now seen corresponding path program 2 times [2024-11-07 15:34:30,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:30,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790815851] [2024-11-07 15:34:30,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:30,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:31,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790815851] [2024-11-07 15:34:31,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790815851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:34:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908521042] [2024-11-07 15:34:31,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:34:31,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:31,188 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 15:34:31,198 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 15:34:31,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:34:31,302 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:34:31,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 15:34:31,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:34:31,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 15:34:31,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-07 15:34:31,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:34:31,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-07 15:34:31,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:34:31,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-07 15:34:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 15:34:31,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:34:31,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908521042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:31,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:34:31,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-07 15:34:31,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930410405] [2024-11-07 15:34:31,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:31,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:31,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:31,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:31,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:34:31,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:31,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 189 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:31,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:31,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:31,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:32,120 INFO L124 PetriNetUnfolderBase]: 399/1948 cut-off events. [2024-11-07 15:34:32,120 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:34:32,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2812 conditions, 1948 events. 399/1948 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 13781 event pairs, 194 based on Foata normal form. 0/1811 useless extension candidates. Maximal degree in co-relation 2700. Up to 649 conditions per place. [2024-11-07 15:34:32,129 INFO L140 encePairwiseOnDemand]: 170/185 looper letters, 44 selfloop transitions, 38 changer transitions 0/242 dead transitions. [2024-11-07 15:34:32,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 242 transitions, 704 flow [2024-11-07 15:34:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1001 transitions. [2024-11-07 15:34:32,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9018018018018018 [2024-11-07 15:34:32,133 INFO L175 Difference]: Start difference. First operand has 196 places, 189 transitions, 434 flow. Second operand 6 states and 1001 transitions. [2024-11-07 15:34:32,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 242 transitions, 704 flow [2024-11-07 15:34:32,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 242 transitions, 698 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:32,137 INFO L231 Difference]: Finished difference. Result has 205 places, 226 transitions, 682 flow [2024-11-07 15:34:32,138 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=682, PETRI_PLACES=205, PETRI_TRANSITIONS=226} [2024-11-07 15:34:32,138 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 23 predicate places. [2024-11-07 15:34:32,138 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 226 transitions, 682 flow [2024-11-07 15:34:32,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:32,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:32,139 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:32,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 15:34:32,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:32,345 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:32,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:32,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1170129186, now seen corresponding path program 1 times [2024-11-07 15:34:32,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:32,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764482026] [2024-11-07 15:34:32,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:32,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:32,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764482026] [2024-11-07 15:34:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764482026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:34:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534366351] [2024-11-07 15:34:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:32,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:34:32,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 15:34:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:32,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:34:32,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:34:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:32,689 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:34:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:32,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534366351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:34:32,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:34:32,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-07 15:34:32,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731092957] [2024-11-07 15:34:32,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:34:32,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 15:34:32,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:32,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 15:34:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 15:34:32,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 185 [2024-11-07 15:34:32,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 226 transitions, 682 flow. Second operand has 18 states, 18 states have (on average 168.0) internal successors, (3024), 18 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:32,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:32,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 185 [2024-11-07 15:34:32,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:33,191 INFO L124 PetriNetUnfolderBase]: 137/1104 cut-off events. [2024-11-07 15:34:33,191 INFO L125 PetriNetUnfolderBase]: For 104/117 co-relation queries the response was YES. [2024-11-07 15:34:33,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1104 events. 137/1104 cut-off events. For 104/117 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6357 event pairs, 32 based on Foata normal form. 4/1052 useless extension candidates. Maximal degree in co-relation 1541. Up to 177 conditions per place. [2024-11-07 15:34:33,197 INFO L140 encePairwiseOnDemand]: 179/185 looper letters, 20 selfloop transitions, 21 changer transitions 0/244 dead transitions. [2024-11-07 15:34:33,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 244 transitions, 852 flow [2024-11-07 15:34:33,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:34:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:34:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3531 transitions. [2024-11-07 15:34:33,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9088803088803089 [2024-11-07 15:34:33,204 INFO L175 Difference]: Start difference. First operand has 205 places, 226 transitions, 682 flow. Second operand 21 states and 3531 transitions. [2024-11-07 15:34:33,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 244 transitions, 852 flow [2024-11-07 15:34:33,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 244 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:33,214 INFO L231 Difference]: Finished difference. Result has 230 places, 239 transitions, 812 flow [2024-11-07 15:34:33,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=812, PETRI_PLACES=230, PETRI_TRANSITIONS=239} [2024-11-07 15:34:33,215 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 48 predicate places. [2024-11-07 15:34:33,216 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 239 transitions, 812 flow [2024-11-07 15:34:33,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 168.0) internal successors, (3024), 18 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:33,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:33,218 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:33,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 15:34:33,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:33,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:33,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash 870589854, now seen corresponding path program 2 times [2024-11-07 15:34:33,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:33,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122194214] [2024-11-07 15:34:33,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:33,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:33,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122194214] [2024-11-07 15:34:33,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122194214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:34:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931294536] [2024-11-07 15:34:33,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:34:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:33,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:33,828 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:34:33,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 15:34:33,919 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:34:33,919 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:34:33,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 15:34:33,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:34:33,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 15:34:33,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-07 15:34:33,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:34:33,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-07 15:34:34,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:34:34,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-07 15:34:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 15:34:34,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:34:34,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931294536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:34,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:34:34,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-07 15:34:34,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246615096] [2024-11-07 15:34:34,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:34,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:34,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:34,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:34,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-07 15:34:34,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:34,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 239 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:34,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:34,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:34,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:34,664 INFO L124 PetriNetUnfolderBase]: 467/2141 cut-off events. [2024-11-07 15:34:34,665 INFO L125 PetriNetUnfolderBase]: For 490/544 co-relation queries the response was YES. [2024-11-07 15:34:34,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3848 conditions, 2141 events. 467/2141 cut-off events. For 490/544 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 15262 event pairs, 165 based on Foata normal form. 14/2056 useless extension candidates. Maximal degree in co-relation 3652. Up to 752 conditions per place. [2024-11-07 15:34:34,678 INFO L140 encePairwiseOnDemand]: 174/185 looper letters, 69 selfloop transitions, 30 changer transitions 0/276 dead transitions. [2024-11-07 15:34:34,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 276 transitions, 1126 flow [2024-11-07 15:34:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 977 transitions. [2024-11-07 15:34:34,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8801801801801802 [2024-11-07 15:34:34,681 INFO L175 Difference]: Start difference. First operand has 230 places, 239 transitions, 812 flow. Second operand 6 states and 977 transitions. [2024-11-07 15:34:34,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 276 transitions, 1126 flow [2024-11-07 15:34:34,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 276 transitions, 1102 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-07 15:34:34,692 INFO L231 Difference]: Finished difference. Result has 234 places, 268 transitions, 1038 flow [2024-11-07 15:34:34,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1038, PETRI_PLACES=234, PETRI_TRANSITIONS=268} [2024-11-07 15:34:34,695 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 52 predicate places. [2024-11-07 15:34:34,696 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 268 transitions, 1038 flow [2024-11-07 15:34:34,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:34,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:34,697 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:34,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 15:34:34,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:34,902 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:34,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:34,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1948780719, now seen corresponding path program 1 times [2024-11-07 15:34:34,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:34,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199693041] [2024-11-07 15:34:34,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:34,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:35,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199693041] [2024-11-07 15:34:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199693041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:34:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590480388] [2024-11-07 15:34:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:35,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:34:35,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:35,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:34:35,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 15:34:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:35,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 15:34:35,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:34:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:35,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:34:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:34:35,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590480388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:34:35,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:34:35,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-07 15:34:35,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013143044] [2024-11-07 15:34:35,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:34:35,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:34:35,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:35,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:34:35,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:34:35,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 185 [2024-11-07 15:34:35,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 268 transitions, 1038 flow. Second operand has 23 states, 23 states have (on average 168.08695652173913) internal successors, (3866), 23 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:35,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:35,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 185 [2024-11-07 15:34:35,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:36,242 INFO L124 PetriNetUnfolderBase]: 240/1622 cut-off events. [2024-11-07 15:34:36,242 INFO L125 PetriNetUnfolderBase]: For 560/593 co-relation queries the response was YES. [2024-11-07 15:34:36,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2975 conditions, 1622 events. 240/1622 cut-off events. For 560/593 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10620 event pairs, 39 based on Foata normal form. 13/1568 useless extension candidates. Maximal degree in co-relation 2698. Up to 221 conditions per place. [2024-11-07 15:34:36,255 INFO L140 encePairwiseOnDemand]: 179/185 looper letters, 23 selfloop transitions, 30 changer transitions 0/285 dead transitions. [2024-11-07 15:34:36,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 285 transitions, 1266 flow [2024-11-07 15:34:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 15:34:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-07 15:34:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5036 transitions. [2024-11-07 15:34:36,266 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9073873873873873 [2024-11-07 15:34:36,267 INFO L175 Difference]: Start difference. First operand has 234 places, 268 transitions, 1038 flow. Second operand 30 states and 5036 transitions. [2024-11-07 15:34:36,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 285 transitions, 1266 flow [2024-11-07 15:34:36,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 285 transitions, 1266 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:36,277 INFO L231 Difference]: Finished difference. Result has 267 places, 278 transitions, 1190 flow [2024-11-07 15:34:36,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1190, PETRI_PLACES=267, PETRI_TRANSITIONS=278} [2024-11-07 15:34:36,278 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 85 predicate places. [2024-11-07 15:34:36,278 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 278 transitions, 1190 flow [2024-11-07 15:34:36,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 168.08695652173913) internal successors, (3866), 23 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:36,280 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:36,280 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:36,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 15:34:36,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-07 15:34:36,485 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:36,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash 326168846, now seen corresponding path program 2 times [2024-11-07 15:34:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:36,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148931870] [2024-11-07 15:34:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:37,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:37,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148931870] [2024-11-07 15:34:37,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148931870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:37,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:37,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:37,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738192741] [2024-11-07 15:34:37,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:37,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:37,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:37,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:37,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:37,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 185 [2024-11-07 15:34:37,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 278 transitions, 1190 flow. Second operand has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:37,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:37,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 185 [2024-11-07 15:34:37,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:38,060 INFO L124 PetriNetUnfolderBase]: 1060/3733 cut-off events. [2024-11-07 15:34:38,061 INFO L125 PetriNetUnfolderBase]: For 1899/1970 co-relation queries the response was YES. [2024-11-07 15:34:38,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8283 conditions, 3733 events. 1060/3733 cut-off events. For 1899/1970 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 28438 event pairs, 332 based on Foata normal form. 18/3543 useless extension candidates. Maximal degree in co-relation 8005. Up to 1828 conditions per place. [2024-11-07 15:34:38,087 INFO L140 encePairwiseOnDemand]: 162/185 looper letters, 106 selfloop transitions, 89 changer transitions 4/373 dead transitions. [2024-11-07 15:34:38,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 373 transitions, 1944 flow [2024-11-07 15:34:38,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 983 transitions. [2024-11-07 15:34:38,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8855855855855855 [2024-11-07 15:34:38,090 INFO L175 Difference]: Start difference. First operand has 267 places, 278 transitions, 1190 flow. Second operand 6 states and 983 transitions. [2024-11-07 15:34:38,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 373 transitions, 1944 flow [2024-11-07 15:34:38,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 373 transitions, 1898 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-07 15:34:38,107 INFO L231 Difference]: Finished difference. Result has 259 places, 357 transitions, 1882 flow [2024-11-07 15:34:38,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=1144, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1882, PETRI_PLACES=259, PETRI_TRANSITIONS=357} [2024-11-07 15:34:38,108 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 77 predicate places. [2024-11-07 15:34:38,108 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 357 transitions, 1882 flow [2024-11-07 15:34:38,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:38,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:38,109 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:38,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:34:38,110 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:38,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:38,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1992287029, now seen corresponding path program 1 times [2024-11-07 15:34:38,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:38,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539750916] [2024-11-07 15:34:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:38,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:38,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:38,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539750916] [2024-11-07 15:34:38,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539750916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:38,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:38,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:34:38,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811544892] [2024-11-07 15:34:38,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:38,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:34:38,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:34:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:34:38,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 185 [2024-11-07 15:34:38,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 357 transitions, 1882 flow. Second operand has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:38,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:38,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 185 [2024-11-07 15:34:38,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:39,649 INFO L124 PetriNetUnfolderBase]: 1241/4215 cut-off events. [2024-11-07 15:34:39,650 INFO L125 PetriNetUnfolderBase]: For 4889/5017 co-relation queries the response was YES. [2024-11-07 15:34:39,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11217 conditions, 4215 events. 1241/4215 cut-off events. For 4889/5017 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 32069 event pairs, 297 based on Foata normal form. 22/4088 useless extension candidates. Maximal degree in co-relation 10956. Up to 2056 conditions per place. [2024-11-07 15:34:39,681 INFO L140 encePairwiseOnDemand]: 170/185 looper letters, 171 selfloop transitions, 71 changer transitions 0/418 dead transitions. [2024-11-07 15:34:39,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 418 transitions, 2720 flow [2024-11-07 15:34:39,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:34:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:34:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 943 transitions. [2024-11-07 15:34:39,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8495495495495495 [2024-11-07 15:34:39,685 INFO L175 Difference]: Start difference. First operand has 259 places, 357 transitions, 1882 flow. Second operand 6 states and 943 transitions. [2024-11-07 15:34:39,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 418 transitions, 2720 flow [2024-11-07 15:34:39,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 418 transitions, 2624 flow, removed 48 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:39,722 INFO L231 Difference]: Finished difference. Result has 269 places, 410 transitions, 2462 flow [2024-11-07 15:34:39,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=1792, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2462, PETRI_PLACES=269, PETRI_TRANSITIONS=410} [2024-11-07 15:34:39,724 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 87 predicate places. [2024-11-07 15:34:39,724 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 410 transitions, 2462 flow [2024-11-07 15:34:39,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:39,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:39,725 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:39,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:34:39,725 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:39,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:39,725 INFO L85 PathProgramCache]: Analyzing trace with hash -102312949, now seen corresponding path program 1 times [2024-11-07 15:34:39,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:39,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430748211] [2024-11-07 15:34:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:39,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:40,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:40,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430748211] [2024-11-07 15:34:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430748211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:40,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:40,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:34:40,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300985831] [2024-11-07 15:34:40,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:40,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:34:40,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:40,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:34:40,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:34:41,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:41,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 410 transitions, 2462 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:41,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:41,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:41,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:43,531 INFO L124 PetriNetUnfolderBase]: 2197/8404 cut-off events. [2024-11-07 15:34:43,531 INFO L125 PetriNetUnfolderBase]: For 10569/10810 co-relation queries the response was YES. [2024-11-07 15:34:43,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22757 conditions, 8404 events. 2197/8404 cut-off events. For 10569/10810 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 77903 event pairs, 317 based on Foata normal form. 75/8346 useless extension candidates. Maximal degree in co-relation 22479. Up to 1360 conditions per place. [2024-11-07 15:34:43,606 INFO L140 encePairwiseOnDemand]: 171/185 looper letters, 82 selfloop transitions, 15 changer transitions 4/481 dead transitions. [2024-11-07 15:34:43,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 481 transitions, 2838 flow [2024-11-07 15:34:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:34:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:34:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1475 transitions. [2024-11-07 15:34:43,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8858858858858859 [2024-11-07 15:34:43,610 INFO L175 Difference]: Start difference. First operand has 269 places, 410 transitions, 2462 flow. Second operand 9 states and 1475 transitions. [2024-11-07 15:34:43,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 481 transitions, 2838 flow [2024-11-07 15:34:43,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 481 transitions, 2756 flow, removed 41 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:43,692 INFO L231 Difference]: Finished difference. Result has 284 places, 425 transitions, 2498 flow [2024-11-07 15:34:43,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=2380, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2498, PETRI_PLACES=284, PETRI_TRANSITIONS=425} [2024-11-07 15:34:43,693 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 102 predicate places. [2024-11-07 15:34:43,694 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 425 transitions, 2498 flow [2024-11-07 15:34:43,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:43,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:43,695 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:43,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:34:43,695 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:43,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:43,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1774045505, now seen corresponding path program 2 times [2024-11-07 15:34:43,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:43,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643159748] [2024-11-07 15:34:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:43,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:44,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:44,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643159748] [2024-11-07 15:34:44,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643159748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:44,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:44,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:34:44,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64172499] [2024-11-07 15:34:44,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:44,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:34:44,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:44,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:34:44,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:34:45,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:45,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 425 transitions, 2498 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:45,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:45,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:45,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:46,990 INFO L124 PetriNetUnfolderBase]: 2481/9476 cut-off events. [2024-11-07 15:34:46,990 INFO L125 PetriNetUnfolderBase]: For 12514/12829 co-relation queries the response was YES. [2024-11-07 15:34:47,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26718 conditions, 9476 events. 2481/9476 cut-off events. For 12514/12829 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 90911 event pairs, 342 based on Foata normal form. 80/9395 useless extension candidates. Maximal degree in co-relation 26432. Up to 1705 conditions per place. [2024-11-07 15:34:47,052 INFO L140 encePairwiseOnDemand]: 172/185 looper letters, 115 selfloop transitions, 20 changer transitions 0/515 dead transitions. [2024-11-07 15:34:47,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 515 transitions, 3166 flow [2024-11-07 15:34:47,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:34:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:34:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1466 transitions. [2024-11-07 15:34:47,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8804804804804804 [2024-11-07 15:34:47,158 INFO L175 Difference]: Start difference. First operand has 284 places, 425 transitions, 2498 flow. Second operand 9 states and 1466 transitions. [2024-11-07 15:34:47,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 515 transitions, 3166 flow [2024-11-07 15:34:47,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 515 transitions, 3166 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:34:47,234 INFO L231 Difference]: Finished difference. Result has 299 places, 441 transitions, 2672 flow [2024-11-07 15:34:47,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=2498, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2672, PETRI_PLACES=299, PETRI_TRANSITIONS=441} [2024-11-07 15:34:47,235 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 117 predicate places. [2024-11-07 15:34:47,235 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 441 transitions, 2672 flow [2024-11-07 15:34:47,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:47,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:47,236 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:47,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:34:47,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:47,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:47,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1627386811, now seen corresponding path program 3 times [2024-11-07 15:34:47,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:47,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736405508] [2024-11-07 15:34:47,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:47,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:47,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:47,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736405508] [2024-11-07 15:34:47,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736405508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:47,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:47,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:34:47,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563497556] [2024-11-07 15:34:47,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:47,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:34:47,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:47,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:34:47,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:34:49,100 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:49,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 441 transitions, 2672 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:49,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:49,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:49,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:50,830 INFO L124 PetriNetUnfolderBase]: 2776/10332 cut-off events. [2024-11-07 15:34:50,830 INFO L125 PetriNetUnfolderBase]: For 16371/16834 co-relation queries the response was YES. [2024-11-07 15:34:50,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30803 conditions, 10332 events. 2776/10332 cut-off events. For 16371/16834 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 99225 event pairs, 335 based on Foata normal form. 104/10283 useless extension candidates. Maximal degree in co-relation 30509. Up to 1748 conditions per place. [2024-11-07 15:34:50,917 INFO L140 encePairwiseOnDemand]: 171/185 looper letters, 125 selfloop transitions, 22 changer transitions 4/531 dead transitions. [2024-11-07 15:34:50,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 531 transitions, 3494 flow [2024-11-07 15:34:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:34:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:34:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1478 transitions. [2024-11-07 15:34:50,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8876876876876877 [2024-11-07 15:34:50,920 INFO L175 Difference]: Start difference. First operand has 299 places, 441 transitions, 2672 flow. Second operand 9 states and 1478 transitions. [2024-11-07 15:34:50,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 531 transitions, 3494 flow [2024-11-07 15:34:51,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 531 transitions, 3453 flow, removed 15 selfloop flow, removed 1 redundant places. [2024-11-07 15:34:51,022 INFO L231 Difference]: Finished difference. Result has 311 places, 453 transitions, 2843 flow [2024-11-07 15:34:51,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=2657, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2843, PETRI_PLACES=311, PETRI_TRANSITIONS=453} [2024-11-07 15:34:51,025 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 129 predicate places. [2024-11-07 15:34:51,025 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 453 transitions, 2843 flow [2024-11-07 15:34:51,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:51,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:51,026 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:51,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:34:51,026 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:51,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:51,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1143914403, now seen corresponding path program 4 times [2024-11-07 15:34:51,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:51,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066097694] [2024-11-07 15:34:51,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:51,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:51,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:51,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066097694] [2024-11-07 15:34:51,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066097694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:51,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:51,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:34:51,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809838461] [2024-11-07 15:34:51,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:51,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:34:51,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:51,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:34:51,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:34:52,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:52,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 453 transitions, 2843 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:52,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:52,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:52,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:54,387 INFO L124 PetriNetUnfolderBase]: 3075/11552 cut-off events. [2024-11-07 15:34:54,387 INFO L125 PetriNetUnfolderBase]: For 20116/20580 co-relation queries the response was YES. [2024-11-07 15:34:54,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34975 conditions, 11552 events. 3075/11552 cut-off events. For 20116/20580 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 113540 event pairs, 351 based on Foata normal form. 119/11495 useless extension candidates. Maximal degree in co-relation 34675. Up to 2091 conditions per place. [2024-11-07 15:34:54,475 INFO L140 encePairwiseOnDemand]: 171/185 looper letters, 136 selfloop transitions, 27 changer transitions 0/543 dead transitions. [2024-11-07 15:34:54,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 543 transitions, 3796 flow [2024-11-07 15:34:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:34:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:34:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1472 transitions. [2024-11-07 15:34:54,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8840840840840841 [2024-11-07 15:34:54,478 INFO L175 Difference]: Start difference. First operand has 311 places, 453 transitions, 2843 flow. Second operand 9 states and 1472 transitions. [2024-11-07 15:34:54,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 543 transitions, 3796 flow [2024-11-07 15:34:54,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 543 transitions, 3717 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-07 15:34:54,598 INFO L231 Difference]: Finished difference. Result has 321 places, 465 transitions, 3019 flow [2024-11-07 15:34:54,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=2817, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3019, PETRI_PLACES=321, PETRI_TRANSITIONS=465} [2024-11-07 15:34:54,600 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 139 predicate places. [2024-11-07 15:34:54,600 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 465 transitions, 3019 flow [2024-11-07 15:34:54,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:54,601 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:54,601 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:54,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:34:54,601 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:54,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:54,602 INFO L85 PathProgramCache]: Analyzing trace with hash 928763363, now seen corresponding path program 5 times [2024-11-07 15:34:54,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:54,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279492519] [2024-11-07 15:34:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:54,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:55,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:55,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279492519] [2024-11-07 15:34:55,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279492519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:55,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:55,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:34:55,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641081848] [2024-11-07 15:34:55,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:55,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:34:55,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:55,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:34:55,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:34:56,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:34:56,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 465 transitions, 3019 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:56,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:34:56,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:34:56,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:34:58,515 INFO L124 PetriNetUnfolderBase]: 3403/12558 cut-off events. [2024-11-07 15:34:58,515 INFO L125 PetriNetUnfolderBase]: For 25326/25945 co-relation queries the response was YES. [2024-11-07 15:34:58,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39305 conditions, 12558 events. 3403/12558 cut-off events. For 25326/25945 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 124712 event pairs, 365 based on Foata normal form. 113/12497 useless extension candidates. Maximal degree in co-relation 39000. Up to 2142 conditions per place. [2024-11-07 15:34:58,632 INFO L140 encePairwiseOnDemand]: 171/185 looper letters, 139 selfloop transitions, 29 changer transitions 2/550 dead transitions. [2024-11-07 15:34:58,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 550 transitions, 4025 flow [2024-11-07 15:34:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:34:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:34:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1479 transitions. [2024-11-07 15:34:58,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8882882882882883 [2024-11-07 15:34:58,634 INFO L175 Difference]: Start difference. First operand has 321 places, 465 transitions, 3019 flow. Second operand 9 states and 1479 transitions. [2024-11-07 15:34:58,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 550 transitions, 4025 flow [2024-11-07 15:34:58,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 550 transitions, 3934 flow, removed 10 selfloop flow, removed 3 redundant places. [2024-11-07 15:34:58,766 INFO L231 Difference]: Finished difference. Result has 332 places, 480 transitions, 3261 flow [2024-11-07 15:34:58,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=2978, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3261, PETRI_PLACES=332, PETRI_TRANSITIONS=480} [2024-11-07 15:34:58,767 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 150 predicate places. [2024-11-07 15:34:58,767 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 480 transitions, 3261 flow [2024-11-07 15:34:58,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:34:58,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:34:58,768 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:34:58,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:34:58,769 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:34:58,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:34:58,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2051926949, now seen corresponding path program 6 times [2024-11-07 15:34:58,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:34:58,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427041788] [2024-11-07 15:34:58,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:34:58,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:34:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:34:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:34:59,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:34:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427041788] [2024-11-07 15:34:59,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427041788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:34:59,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:34:59,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:34:59,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375064265] [2024-11-07 15:34:59,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:34:59,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:34:59,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:34:59,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:34:59,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:00,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:00,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 480 transitions, 3261 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:00,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:00,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:00,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:02,186 INFO L124 PetriNetUnfolderBase]: 3728/13886 cut-off events. [2024-11-07 15:35:02,186 INFO L125 PetriNetUnfolderBase]: For 31453/32080 co-relation queries the response was YES. [2024-11-07 15:35:02,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44121 conditions, 13886 events. 3728/13886 cut-off events. For 31453/32080 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 141177 event pairs, 398 based on Foata normal form. 120/13813 useless extension candidates. Maximal degree in co-relation 43810. Up to 2470 conditions per place. [2024-11-07 15:35:02,327 INFO L140 encePairwiseOnDemand]: 171/185 looper letters, 152 selfloop transitions, 34 changer transitions 0/566 dead transitions. [2024-11-07 15:35:02,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 566 transitions, 4389 flow [2024-11-07 15:35:02,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1475 transitions. [2024-11-07 15:35:02,329 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8858858858858859 [2024-11-07 15:35:02,329 INFO L175 Difference]: Start difference. First operand has 332 places, 480 transitions, 3261 flow. Second operand 9 states and 1475 transitions. [2024-11-07 15:35:02,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 566 transitions, 4389 flow [2024-11-07 15:35:02,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 566 transitions, 4293 flow, removed 27 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:02,478 INFO L231 Difference]: Finished difference. Result has 344 places, 495 transitions, 3504 flow [2024-11-07 15:35:02,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=3202, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3504, PETRI_PLACES=344, PETRI_TRANSITIONS=495} [2024-11-07 15:35:02,479 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 162 predicate places. [2024-11-07 15:35:02,479 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 495 transitions, 3504 flow [2024-11-07 15:35:02,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:02,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:02,480 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:02,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:35:02,480 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:02,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:02,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1702036559, now seen corresponding path program 7 times [2024-11-07 15:35:02,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:02,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656346992] [2024-11-07 15:35:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:02,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:02,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:02,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656346992] [2024-11-07 15:35:02,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656346992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:02,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:02,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:02,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950449238] [2024-11-07 15:35:02,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:02,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:02,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:02,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:02,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:03,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:03,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 495 transitions, 3504 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:03,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:03,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:03,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:05,846 INFO L124 PetriNetUnfolderBase]: 4076/14946 cut-off events. [2024-11-07 15:35:05,846 INFO L125 PetriNetUnfolderBase]: For 40006/40702 co-relation queries the response was YES. [2024-11-07 15:35:05,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49205 conditions, 14946 events. 4076/14946 cut-off events. For 40006/40702 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 154053 event pairs, 458 based on Foata normal form. 108/14847 useless extension candidates. Maximal degree in co-relation 48888. Up to 2547 conditions per place. [2024-11-07 15:35:05,992 INFO L140 encePairwiseOnDemand]: 171/185 looper letters, 152 selfloop transitions, 36 changer transitions 0/568 dead transitions. [2024-11-07 15:35:05,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 568 transitions, 4619 flow [2024-11-07 15:35:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1479 transitions. [2024-11-07 15:35:05,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8882882882882883 [2024-11-07 15:35:05,993 INFO L175 Difference]: Start difference. First operand has 344 places, 495 transitions, 3504 flow. Second operand 9 states and 1479 transitions. [2024-11-07 15:35:05,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 568 transitions, 4619 flow [2024-11-07 15:35:06,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 568 transitions, 4519 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:06,157 INFO L231 Difference]: Finished difference. Result has 357 places, 514 transitions, 3860 flow [2024-11-07 15:35:06,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3860, PETRI_PLACES=357, PETRI_TRANSITIONS=514} [2024-11-07 15:35:06,158 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 175 predicate places. [2024-11-07 15:35:06,158 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 514 transitions, 3860 flow [2024-11-07 15:35:06,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:06,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:06,159 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:06,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:35:06,159 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:06,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1690780371, now seen corresponding path program 8 times [2024-11-07 15:35:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436530393] [2024-11-07 15:35:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:06,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436530393] [2024-11-07 15:35:06,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436530393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:06,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:06,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:06,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870111328] [2024-11-07 15:35:06,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:06,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:06,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:06,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:07,054 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:07,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 514 transitions, 3860 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:07,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:07,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:07,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:09,748 INFO L124 PetriNetUnfolderBase]: 4665/17079 cut-off events. [2024-11-07 15:35:09,748 INFO L125 PetriNetUnfolderBase]: For 51167/52095 co-relation queries the response was YES. [2024-11-07 15:35:09,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57104 conditions, 17079 events. 4665/17079 cut-off events. For 51167/52095 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 182025 event pairs, 501 based on Foata normal form. 139/16990 useless extension candidates. Maximal degree in co-relation 56780. Up to 3013 conditions per place. [2024-11-07 15:35:09,865 INFO L140 encePairwiseOnDemand]: 170/185 looper letters, 171 selfloop transitions, 45 changer transitions 0/596 dead transitions. [2024-11-07 15:35:09,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 596 transitions, 5168 flow [2024-11-07 15:35:09,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:09,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1479 transitions. [2024-11-07 15:35:09,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8882882882882883 [2024-11-07 15:35:09,867 INFO L175 Difference]: Start difference. First operand has 357 places, 514 transitions, 3860 flow. Second operand 9 states and 1479 transitions. [2024-11-07 15:35:09,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 596 transitions, 5168 flow [2024-11-07 15:35:10,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 596 transitions, 5064 flow, removed 52 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:10,075 INFO L231 Difference]: Finished difference. Result has 372 places, 532 transitions, 4213 flow [2024-11-07 15:35:10,075 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=3756, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4213, PETRI_PLACES=372, PETRI_TRANSITIONS=532} [2024-11-07 15:35:10,075 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 190 predicate places. [2024-11-07 15:35:10,076 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 532 transitions, 4213 flow [2024-11-07 15:35:10,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:10,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:10,076 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:10,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:35:10,076 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:10,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash -967986399, now seen corresponding path program 9 times [2024-11-07 15:35:10,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:10,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003782721] [2024-11-07 15:35:10,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:10,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:10,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003782721] [2024-11-07 15:35:10,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003782721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:10,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:10,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:10,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646303368] [2024-11-07 15:35:10,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:10,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:10,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:10,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:10,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:10,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:10,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 532 transitions, 4213 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:10,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:10,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:10,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:14,051 INFO L124 PetriNetUnfolderBase]: 5254/18964 cut-off events. [2024-11-07 15:35:14,052 INFO L125 PetriNetUnfolderBase]: For 63010/64019 co-relation queries the response was YES. [2024-11-07 15:35:14,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65257 conditions, 18964 events. 5254/18964 cut-off events. For 63010/64019 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 206915 event pairs, 526 based on Foata normal form. 152/18891 useless extension candidates. Maximal degree in co-relation 64925. Up to 3289 conditions per place. [2024-11-07 15:35:14,205 INFO L140 encePairwiseOnDemand]: 170/185 looper letters, 188 selfloop transitions, 46 changer transitions 0/614 dead transitions. [2024-11-07 15:35:14,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 614 transitions, 5483 flow [2024-11-07 15:35:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:14,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1481 transitions. [2024-11-07 15:35:14,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8894894894894895 [2024-11-07 15:35:14,207 INFO L175 Difference]: Start difference. First operand has 372 places, 532 transitions, 4213 flow. Second operand 9 states and 1481 transitions. [2024-11-07 15:35:14,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 614 transitions, 5483 flow [2024-11-07 15:35:14,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 614 transitions, 5397 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:14,495 INFO L231 Difference]: Finished difference. Result has 386 places, 549 transitions, 4536 flow [2024-11-07 15:35:14,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=4127, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4536, PETRI_PLACES=386, PETRI_TRANSITIONS=549} [2024-11-07 15:35:14,495 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 204 predicate places. [2024-11-07 15:35:14,495 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 549 transitions, 4536 flow [2024-11-07 15:35:14,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:14,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:14,496 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:14,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:35:14,496 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:14,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:14,497 INFO L85 PathProgramCache]: Analyzing trace with hash 824535361, now seen corresponding path program 10 times [2024-11-07 15:35:14,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:14,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237867149] [2024-11-07 15:35:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:14,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:14,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:14,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237867149] [2024-11-07 15:35:14,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237867149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:14,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:14,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:14,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510796314] [2024-11-07 15:35:14,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:14,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:14,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:14,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:14,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:15,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:15,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 549 transitions, 4536 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:15,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:15,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:15,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:19,612 INFO L124 PetriNetUnfolderBase]: 5542/19890 cut-off events. [2024-11-07 15:35:19,613 INFO L125 PetriNetUnfolderBase]: For 71412/72510 co-relation queries the response was YES. [2024-11-07 15:35:19,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69451 conditions, 19890 events. 5542/19890 cut-off events. For 71412/72510 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 219530 event pairs, 553 based on Foata normal form. 174/19836 useless extension candidates. Maximal degree in co-relation 69112. Up to 3462 conditions per place. [2024-11-07 15:35:19,794 INFO L140 encePairwiseOnDemand]: 169/185 looper letters, 187 selfloop transitions, 53 changer transitions 0/620 dead transitions. [2024-11-07 15:35:19,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 620 transitions, 5850 flow [2024-11-07 15:35:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1483 transitions. [2024-11-07 15:35:19,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8906906906906907 [2024-11-07 15:35:19,796 INFO L175 Difference]: Start difference. First operand has 386 places, 549 transitions, 4536 flow. Second operand 9 states and 1483 transitions. [2024-11-07 15:35:19,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 620 transitions, 5850 flow [2024-11-07 15:35:20,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 620 transitions, 5697 flow, removed 57 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:20,144 INFO L231 Difference]: Finished difference. Result has 396 places, 563 transitions, 4815 flow [2024-11-07 15:35:20,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=4439, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4815, PETRI_PLACES=396, PETRI_TRANSITIONS=563} [2024-11-07 15:35:20,144 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 214 predicate places. [2024-11-07 15:35:20,145 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 563 transitions, 4815 flow [2024-11-07 15:35:20,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:20,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:20,145 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:20,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:35:20,145 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:20,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:20,146 INFO L85 PathProgramCache]: Analyzing trace with hash 113900905, now seen corresponding path program 11 times [2024-11-07 15:35:20,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:20,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84351036] [2024-11-07 15:35:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:20,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:20,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:20,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84351036] [2024-11-07 15:35:20,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84351036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:20,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:20,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325799812] [2024-11-07 15:35:20,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:20,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:20,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:20,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:20,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:21,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:21,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 563 transitions, 4815 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:21,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:21,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:21,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:24,868 INFO L124 PetriNetUnfolderBase]: 5554/19916 cut-off events. [2024-11-07 15:35:24,868 INFO L125 PetriNetUnfolderBase]: For 76126/77186 co-relation queries the response was YES. [2024-11-07 15:35:24,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70234 conditions, 19916 events. 5554/19916 cut-off events. For 76126/77186 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 219907 event pairs, 558 based on Foata normal form. 177/19854 useless extension candidates. Maximal degree in co-relation 69891. Up to 3480 conditions per place. [2024-11-07 15:35:25,039 INFO L140 encePairwiseOnDemand]: 170/185 looper letters, 190 selfloop transitions, 57 changer transitions 0/627 dead transitions. [2024-11-07 15:35:25,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 627 transitions, 6053 flow [2024-11-07 15:35:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1484 transitions. [2024-11-07 15:35:25,041 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8912912912912913 [2024-11-07 15:35:25,041 INFO L175 Difference]: Start difference. First operand has 396 places, 563 transitions, 4815 flow. Second operand 9 states and 1484 transitions. [2024-11-07 15:35:25,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 627 transitions, 6053 flow [2024-11-07 15:35:25,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 627 transitions, 5893 flow, removed 39 selfloop flow, removed 4 redundant places. [2024-11-07 15:35:25,370 INFO L231 Difference]: Finished difference. Result has 405 places, 575 transitions, 5085 flow [2024-11-07 15:35:25,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=4679, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5085, PETRI_PLACES=405, PETRI_TRANSITIONS=575} [2024-11-07 15:35:25,371 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 223 predicate places. [2024-11-07 15:35:25,371 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 575 transitions, 5085 flow [2024-11-07 15:35:25,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:25,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:25,372 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:25,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:35:25,373 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:25,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1319494957, now seen corresponding path program 12 times [2024-11-07 15:35:25,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:25,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877595073] [2024-11-07 15:35:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:25,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:25,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877595073] [2024-11-07 15:35:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877595073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:25,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302057546] [2024-11-07 15:35:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:25,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:25,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:25,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:26,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:26,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 575 transitions, 5085 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:26,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:26,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:26,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:30,184 INFO L124 PetriNetUnfolderBase]: 5542/19910 cut-off events. [2024-11-07 15:35:30,184 INFO L125 PetriNetUnfolderBase]: For 80604/81810 co-relation queries the response was YES. [2024-11-07 15:35:30,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70685 conditions, 19910 events. 5542/19910 cut-off events. For 80604/81810 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 219983 event pairs, 553 based on Foata normal form. 177/19853 useless extension candidates. Maximal degree in co-relation 70337. Up to 3467 conditions per place. [2024-11-07 15:35:30,362 INFO L140 encePairwiseOnDemand]: 170/185 looper letters, 202 selfloop transitions, 52 changer transitions 0/634 dead transitions. [2024-11-07 15:35:30,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 634 transitions, 6301 flow [2024-11-07 15:35:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1487 transitions. [2024-11-07 15:35:30,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893093093093093 [2024-11-07 15:35:30,364 INFO L175 Difference]: Start difference. First operand has 405 places, 575 transitions, 5085 flow. Second operand 9 states and 1487 transitions. [2024-11-07 15:35:30,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 634 transitions, 6301 flow [2024-11-07 15:35:30,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 634 transitions, 6091 flow, removed 75 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:30,706 INFO L231 Difference]: Finished difference. Result has 414 places, 583 transitions, 5223 flow [2024-11-07 15:35:30,706 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=4949, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5223, PETRI_PLACES=414, PETRI_TRANSITIONS=583} [2024-11-07 15:35:30,707 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 232 predicate places. [2024-11-07 15:35:30,707 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 583 transitions, 5223 flow [2024-11-07 15:35:30,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:30,707 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:30,707 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:30,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:35:30,707 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:30,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash 674307473, now seen corresponding path program 13 times [2024-11-07 15:35:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:30,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737047304] [2024-11-07 15:35:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:30,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:30,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737047304] [2024-11-07 15:35:30,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737047304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:30,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:30,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085972172] [2024-11-07 15:35:30,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:30,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:30,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:30,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:30,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:31,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:31,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 583 transitions, 5223 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:31,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:31,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:31,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:35,465 INFO L124 PetriNetUnfolderBase]: 5548/19998 cut-off events. [2024-11-07 15:35:35,465 INFO L125 PetriNetUnfolderBase]: For 81052/82219 co-relation queries the response was YES. [2024-11-07 15:35:35,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71062 conditions, 19998 events. 5548/19998 cut-off events. For 81052/82219 co-relation queries the response was YES. Maximal size of possible extension queue 728. Compared 221256 event pairs, 559 based on Foata normal form. 175/19940 useless extension candidates. Maximal degree in co-relation 70710. Up to 3479 conditions per place. [2024-11-07 15:35:35,633 INFO L140 encePairwiseOnDemand]: 169/185 looper letters, 199 selfloop transitions, 60 changer transitions 0/639 dead transitions. [2024-11-07 15:35:35,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 639 transitions, 6393 flow [2024-11-07 15:35:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1486 transitions. [2024-11-07 15:35:35,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8924924924924925 [2024-11-07 15:35:35,634 INFO L175 Difference]: Start difference. First operand has 414 places, 583 transitions, 5223 flow. Second operand 9 states and 1486 transitions. [2024-11-07 15:35:35,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 639 transitions, 6393 flow [2024-11-07 15:35:35,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 639 transitions, 6305 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-11-07 15:35:35,994 INFO L231 Difference]: Finished difference. Result has 421 places, 592 transitions, 5462 flow [2024-11-07 15:35:35,995 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=5137, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5462, PETRI_PLACES=421, PETRI_TRANSITIONS=592} [2024-11-07 15:35:35,995 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 239 predicate places. [2024-11-07 15:35:35,995 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 592 transitions, 5462 flow [2024-11-07 15:35:35,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:35,996 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:35,996 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:35,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 15:35:35,996 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:35,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1516847905, now seen corresponding path program 14 times [2024-11-07 15:35:35,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:35,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728905956] [2024-11-07 15:35:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:36,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:36,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728905956] [2024-11-07 15:35:36,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728905956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:36,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:36,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:36,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911702508] [2024-11-07 15:35:36,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:36,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:36,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:36,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:36,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:36,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:36,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 592 transitions, 5462 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:36,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:36,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:36,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:40,567 INFO L124 PetriNetUnfolderBase]: 5287/19215 cut-off events. [2024-11-07 15:35:40,568 INFO L125 PetriNetUnfolderBase]: For 77970/79015 co-relation queries the response was YES. [2024-11-07 15:35:40,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68255 conditions, 19215 events. 5287/19215 cut-off events. For 77970/79015 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 210751 event pairs, 543 based on Foata normal form. 156/19135 useless extension candidates. Maximal degree in co-relation 67900. Up to 3328 conditions per place. [2024-11-07 15:35:40,745 INFO L140 encePairwiseOnDemand]: 169/185 looper letters, 202 selfloop transitions, 59 changer transitions 0/641 dead transitions. [2024-11-07 15:35:40,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 641 transitions, 6531 flow [2024-11-07 15:35:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:35:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:35:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1489 transitions. [2024-11-07 15:35:40,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942942942942943 [2024-11-07 15:35:40,748 INFO L175 Difference]: Start difference. First operand has 421 places, 592 transitions, 5462 flow. Second operand 9 states and 1489 transitions. [2024-11-07 15:35:40,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 641 transitions, 6531 flow [2024-11-07 15:35:41,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 641 transitions, 6399 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:41,128 INFO L231 Difference]: Finished difference. Result has 427 places, 599 transitions, 5627 flow [2024-11-07 15:35:41,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=5289, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5627, PETRI_PLACES=427, PETRI_TRANSITIONS=599} [2024-11-07 15:35:41,129 INFO L277 CegarLoopForPetriNet]: 182 programPoint places, 245 predicate places. [2024-11-07 15:35:41,129 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 599 transitions, 5627 flow [2024-11-07 15:35:41,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:41,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:41,130 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:41,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 15:35:41,130 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-07 15:35:41,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:41,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1978448645, now seen corresponding path program 15 times [2024-11-07 15:35:41,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:41,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653807258] [2024-11-07 15:35:41,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:41,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 15:35:41,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:41,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653807258] [2024-11-07 15:35:41,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653807258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:41,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:41,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 15:35:41,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963974733] [2024-11-07 15:35:41,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:41,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 15:35:41,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:41,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 15:35:41,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:35:42,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2024-11-07 15:35:42,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 599 transitions, 5627 flow. Second operand has 9 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:42,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:42,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2024-11-07 15:35:42,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand