./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c --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/weaver/chl-nzb-file-trans.wvr.c', '-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', '0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b'] 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/weaver/chl-nzb-file-trans.wvr.c -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 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:42:24,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:42:24,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:42:24,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:42:24,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:42:24,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:42:24,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:42:24,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:42:24,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:42:24,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:42:24,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:42:24,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:42:24,632 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:42:24,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:42:24,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:42:24,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:42:24,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:42:24,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:42:24,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:42:24,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:42:24,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:42:24,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:42:24,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:42:24,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:42:24,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:42:24,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:42:24,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:42:24,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:42:24,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:42:24,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:42:24,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:42:24,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:42:24,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:42:24,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:42:24,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:42:24,637 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 -> 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b [2024-11-07 15:42:24,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:42:24,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:42:24,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:42:24,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:42:24,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:42:24,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-11-07 15:42:26,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:42:26,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:42:26,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-11-07 15:42:26,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/599766535/0c8ff2d6ec4d450294c6d90d7c86f808/FLAGecf3abc82 [2024-11-07 15:42:26,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/599766535/0c8ff2d6ec4d450294c6d90d7c86f808 [2024-11-07 15:42:26,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:42:26,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:42:26,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:42:26,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:42:26,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:42:26,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:42:26" (1/1) ... [2024-11-07 15:42:26,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6e396b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:26, skipping insertion in model container [2024-11-07 15:42:26,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:42:26" (1/1) ... [2024-11-07 15:42:26,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:42:27,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:42:27,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:42:27,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:42:27,100 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:42:27,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27 WrapperNode [2024-11-07 15:42:27,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:42:27,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:42:27,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:42:27,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:42:27,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,202 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1321 [2024-11-07 15:42:27,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:42:27,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:42:27,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:42:27,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:42:27,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:42:27,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:42:27,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:42:27,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:42:27,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (1/1) ... [2024-11-07 15:42:27,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:42:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:42:27,318 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 15:42:27,321 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 15:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:42:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:42:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 15:42:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 15:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:42:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:42:27,344 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 15:42:27,485 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:42:27,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:42:28,985 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:42:28,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:42:29,033 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:42:29,034 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-07 15:42:29,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:42:29 BoogieIcfgContainer [2024-11-07 15:42:29,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:42:29,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:42:29,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:42:29,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:42:29,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:42:26" (1/3) ... [2024-11-07 15:42:29,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8beea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:42:29, skipping insertion in model container [2024-11-07 15:42:29,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:27" (2/3) ... [2024-11-07 15:42:29,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8beea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:42:29, skipping insertion in model container [2024-11-07 15:42:29,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:42:29" (3/3) ... [2024-11-07 15:42:29,046 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2024-11-07 15:42:29,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:42:29,061 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 225 error locations. [2024-11-07 15:42:29,061 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:42:29,370 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-07 15:42:29,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1673 places, 1774 transitions, 3569 flow [2024-11-07 15:42:30,747 INFO L124 PetriNetUnfolderBase]: 111/1771 cut-off events. [2024-11-07 15:42:30,750 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 15:42:30,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1784 conditions, 1771 events. 111/1771 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7643 event pairs, 0 based on Foata normal form. 0/1435 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-11-07 15:42:30,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 1673 places, 1774 transitions, 3569 flow [2024-11-07 15:42:30,950 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1651 places, 1750 transitions, 3518 flow [2024-11-07 15:42:30,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:42:30,975 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;@725c8ac6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:42:30,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 426 error locations. [2024-11-07 15:42:30,985 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:42:30,985 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-11-07 15:42:30,985 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:42:30,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:30,987 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] [2024-11-07 15:42:30,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:30,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:30,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1285342270, now seen corresponding path program 1 times [2024-11-07 15:42:31,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:31,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199886707] [2024-11-07 15:42:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:31,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:31,187 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 15:42:31,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:31,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199886707] [2024-11-07 15:42:31,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199886707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:31,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:31,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:31,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746157124] [2024-11-07 15:42:31,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:31,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:31,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:31,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:31,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:31,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-07 15:42:31,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:31,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:31,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-07 15:42:31,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:33,075 INFO L124 PetriNetUnfolderBase]: 124/2623 cut-off events. [2024-11-07 15:42:33,075 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-07 15:42:33,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 2623 events. 124/2623 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14364 event pairs, 5 based on Foata normal form. 106/2206 useless extension candidates. Maximal degree in co-relation 2279. Up to 22 conditions per place. [2024-11-07 15:42:33,257 INFO L140 encePairwiseOnDemand]: 1735/1774 looper letters, 11 selfloop transitions, 2 changer transitions 6/1713 dead transitions. [2024-11-07 15:42:33,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1652 places, 1713 transitions, 3470 flow [2024-11-07 15:42:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:33,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5213 transitions. [2024-11-07 15:42:33,295 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795189778278842 [2024-11-07 15:42:33,297 INFO L175 Difference]: Start difference. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand 3 states and 5213 transitions. [2024-11-07 15:42:33,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1652 places, 1713 transitions, 3470 flow [2024-11-07 15:42:33,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-07 15:42:33,347 INFO L231 Difference]: Finished difference. Result has 1646 places, 1707 transitions, 3424 flow [2024-11-07 15:42:33,353 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1646, PETRI_TRANSITIONS=1707} [2024-11-07 15:42:33,357 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -5 predicate places. [2024-11-07 15:42:33,357 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1707 transitions, 3424 flow [2024-11-07 15:42:33,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:33,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:33,361 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] [2024-11-07 15:42:33,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:42:33,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:33,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:33,363 INFO L85 PathProgramCache]: Analyzing trace with hash -233112910, now seen corresponding path program 1 times [2024-11-07 15:42:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:33,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238224065] [2024-11-07 15:42:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:33,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:33,457 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 15:42:33,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:33,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238224065] [2024-11-07 15:42:33,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238224065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:33,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:33,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:33,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154968093] [2024-11-07 15:42:33,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:33,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:33,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:33,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:33,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:33,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-07 15:42:33,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:33,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:33,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-07 15:42:33,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:34,677 INFO L124 PetriNetUnfolderBase]: 124/2616 cut-off events. [2024-11-07 15:42:34,677 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-07 15:42:34,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 2616 events. 124/2616 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14880 event pairs, 5 based on Foata normal form. 0/2101 useless extension candidates. Maximal degree in co-relation 2603. Up to 22 conditions per place. [2024-11-07 15:42:34,820 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-11-07 15:42:34,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1706 transitions, 3448 flow [2024-11-07 15:42:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-07 15:42:34,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-07 15:42:34,831 INFO L175 Difference]: Start difference. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand 3 states and 5177 transitions. [2024-11-07 15:42:34,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1706 transitions, 3448 flow [2024-11-07 15:42:34,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:34,856 INFO L231 Difference]: Finished difference. Result has 1639 places, 1706 transitions, 3422 flow [2024-11-07 15:42:34,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1639, PETRI_TRANSITIONS=1706} [2024-11-07 15:42:34,860 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -12 predicate places. [2024-11-07 15:42:34,860 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1706 transitions, 3422 flow [2024-11-07 15:42:34,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:34,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:34,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:42:34,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:42:34,866 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:34,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:34,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1640438213, now seen corresponding path program 1 times [2024-11-07 15:42:34,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:34,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973369449] [2024-11-07 15:42:34,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:34,938 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 15:42:34,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:34,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973369449] [2024-11-07 15:42:34,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973369449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:34,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:34,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:34,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578904929] [2024-11-07 15:42:34,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:34,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:34,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:34,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:34,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:35,072 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-07 15:42:35,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:35,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:35,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-07 15:42:35,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:36,755 INFO L124 PetriNetUnfolderBase]: 172/3516 cut-off events. [2024-11-07 15:42:36,757 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-07 15:42:36,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3554 conditions, 3516 events. 172/3516 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 21449 event pairs, 7 based on Foata normal form. 0/2805 useless extension candidates. Maximal degree in co-relation 3500. Up to 25 conditions per place. [2024-11-07 15:42:37,046 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-11-07 15:42:37,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1705 transitions, 3446 flow [2024-11-07 15:42:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:37,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-07 15:42:37,058 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-07 15:42:37,059 INFO L175 Difference]: Start difference. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand 3 states and 5177 transitions. [2024-11-07 15:42:37,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1705 transitions, 3446 flow [2024-11-07 15:42:37,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1705 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:37,088 INFO L231 Difference]: Finished difference. Result has 1638 places, 1705 transitions, 3420 flow [2024-11-07 15:42:37,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1638, PETRI_TRANSITIONS=1705} [2024-11-07 15:42:37,092 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -13 predicate places. [2024-11-07 15:42:37,093 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1705 transitions, 3420 flow [2024-11-07 15:42:37,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:37,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:37,097 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] [2024-11-07 15:42:37,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:42:37,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:37,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:37,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1569175430, now seen corresponding path program 1 times [2024-11-07 15:42:37,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:37,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875097457] [2024-11-07 15:42:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:37,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:37,188 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 15:42:37,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:37,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875097457] [2024-11-07 15:42:37,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875097457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:37,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:37,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:37,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129537531] [2024-11-07 15:42:37,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:37,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:37,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:37,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:37,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:37,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-07 15:42:37,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:37,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:37,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-07 15:42:37,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:38,556 INFO L124 PetriNetUnfolderBase]: 172/3515 cut-off events. [2024-11-07 15:42:38,556 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-07 15:42:38,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3553 conditions, 3515 events. 172/3515 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22588 event pairs, 7 based on Foata normal form. 0/2806 useless extension candidates. Maximal degree in co-relation 3491. Up to 25 conditions per place. [2024-11-07 15:42:38,806 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-11-07 15:42:38,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1704 transitions, 3444 flow [2024-11-07 15:42:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-07 15:42:38,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-07 15:42:38,817 INFO L175 Difference]: Start difference. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand 3 states and 5177 transitions. [2024-11-07 15:42:38,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1704 transitions, 3444 flow [2024-11-07 15:42:38,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1704 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:38,844 INFO L231 Difference]: Finished difference. Result has 1637 places, 1704 transitions, 3418 flow [2024-11-07 15:42:38,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1637, PETRI_TRANSITIONS=1704} [2024-11-07 15:42:38,847 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -14 predicate places. [2024-11-07 15:42:38,847 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1704 transitions, 3418 flow [2024-11-07 15:42:38,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:38,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:38,851 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] [2024-11-07 15:42:38,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:42:38,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:38,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:38,852 INFO L85 PathProgramCache]: Analyzing trace with hash 333694812, now seen corresponding path program 1 times [2024-11-07 15:42:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:38,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656710308] [2024-11-07 15:42:38,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:38,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:38,899 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 15:42:38,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:38,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656710308] [2024-11-07 15:42:38,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656710308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:38,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:38,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:38,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308156390] [2024-11-07 15:42:38,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:38,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:38,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:38,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:38,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:38,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-07 15:42:38,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:38,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:38,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-07 15:42:38,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:39,666 INFO L124 PetriNetUnfolderBase]: 103/2164 cut-off events. [2024-11-07 15:42:39,667 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-07 15:42:39,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 2164 events. 103/2164 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10798 event pairs, 7 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 2129. Up to 25 conditions per place. [2024-11-07 15:42:39,803 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-11-07 15:42:39,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1703 transitions, 3442 flow [2024-11-07 15:42:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-07 15:42:39,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-07 15:42:39,809 INFO L175 Difference]: Start difference. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2024-11-07 15:42:39,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1703 transitions, 3442 flow [2024-11-07 15:42:39,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1703 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:39,835 INFO L231 Difference]: Finished difference. Result has 1636 places, 1703 transitions, 3416 flow [2024-11-07 15:42:39,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1636, PETRI_TRANSITIONS=1703} [2024-11-07 15:42:39,839 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -15 predicate places. [2024-11-07 15:42:39,839 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1703 transitions, 3416 flow [2024-11-07 15:42:39,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:39,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:39,842 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] [2024-11-07 15:42:39,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:42:39,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:39,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:39,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2017608749, now seen corresponding path program 1 times [2024-11-07 15:42:39,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:39,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689069348] [2024-11-07 15:42:39,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:39,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:39,895 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 15:42:39,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:39,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689069348] [2024-11-07 15:42:39,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689069348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:39,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:39,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:39,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825058418] [2024-11-07 15:42:39,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:39,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:39,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:39,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:39,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:39,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-07 15:42:39,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:39,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:39,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-07 15:42:39,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:40,650 INFO L124 PetriNetUnfolderBase]: 103/2163 cut-off events. [2024-11-07 15:42:40,651 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-07 15:42:40,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 2163 events. 103/2163 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11124 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2120. Up to 25 conditions per place. [2024-11-07 15:42:40,758 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-11-07 15:42:40,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1702 transitions, 3440 flow [2024-11-07 15:42:40,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-07 15:42:40,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-07 15:42:40,763 INFO L175 Difference]: Start difference. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand 3 states and 5177 transitions. [2024-11-07 15:42:40,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1702 transitions, 3440 flow [2024-11-07 15:42:40,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1702 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:40,786 INFO L231 Difference]: Finished difference. Result has 1635 places, 1702 transitions, 3414 flow [2024-11-07 15:42:40,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1635, PETRI_TRANSITIONS=1702} [2024-11-07 15:42:40,790 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -16 predicate places. [2024-11-07 15:42:40,791 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1702 transitions, 3414 flow [2024-11-07 15:42:40,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:40,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:40,795 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] [2024-11-07 15:42:40,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:42:40,795 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:40,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:40,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1131993380, now seen corresponding path program 1 times [2024-11-07 15:42:40,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:40,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858633331] [2024-11-07 15:42:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:40,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:40,847 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 15:42:40,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:40,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858633331] [2024-11-07 15:42:40,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858633331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:40,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:40,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:40,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4405298] [2024-11-07 15:42:40,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:40,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:40,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:40,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:40,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-07 15:42:40,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:40,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:40,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-07 15:42:40,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:44,304 INFO L124 PetriNetUnfolderBase]: 505/9846 cut-off events. [2024-11-07 15:42:44,304 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-07 15:42:44,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9929 conditions, 9846 events. 505/9846 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 88643 event pairs, 18 based on Foata normal form. 0/7770 useless extension candidates. Maximal degree in co-relation 9843. Up to 56 conditions per place. [2024-11-07 15:42:44,714 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-11-07 15:42:44,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1701 transitions, 3454 flow [2024-11-07 15:42:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-07 15:42:44,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-07 15:42:44,721 INFO L175 Difference]: Start difference. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand 3 states and 5161 transitions. [2024-11-07 15:42:44,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1701 transitions, 3454 flow [2024-11-07 15:42:44,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1701 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:44,739 INFO L231 Difference]: Finished difference. Result has 1634 places, 1701 transitions, 3412 flow [2024-11-07 15:42:44,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1634, PETRI_TRANSITIONS=1701} [2024-11-07 15:42:44,742 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -17 predicate places. [2024-11-07 15:42:44,742 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1701 transitions, 3412 flow [2024-11-07 15:42:44,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:44,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:44,744 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] [2024-11-07 15:42:44,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:42:44,744 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:44,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:44,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2085948360, now seen corresponding path program 1 times [2024-11-07 15:42:44,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:44,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467778432] [2024-11-07 15:42:44,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:44,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:44,838 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 15:42:44,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:44,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467778432] [2024-11-07 15:42:44,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467778432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:44,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:44,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:44,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974434097] [2024-11-07 15:42:44,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:44,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:44,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:44,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:44,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-07 15:42:44,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:44,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:44,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-07 15:42:44,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:51,041 INFO L124 PetriNetUnfolderBase]: 793/15275 cut-off events. [2024-11-07 15:42:51,041 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-07 15:42:51,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15399 conditions, 15275 events. 793/15275 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 154055 event pairs, 30 based on Foata normal form. 0/12028 useless extension candidates. Maximal degree in co-relation 15305. Up to 85 conditions per place. [2024-11-07 15:42:51,615 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2024-11-07 15:42:51,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1700 transitions, 3462 flow [2024-11-07 15:42:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-07 15:42:51,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-07 15:42:51,622 INFO L175 Difference]: Start difference. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand 3 states and 5151 transitions. [2024-11-07 15:42:51,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1700 transitions, 3462 flow [2024-11-07 15:42:51,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:51,637 INFO L231 Difference]: Finished difference. Result has 1633 places, 1700 transitions, 3410 flow [2024-11-07 15:42:51,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1633, PETRI_TRANSITIONS=1700} [2024-11-07 15:42:51,639 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -18 predicate places. [2024-11-07 15:42:51,639 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1700 transitions, 3410 flow [2024-11-07 15:42:51,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:51,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:51,640 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:42:51,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:42:51,641 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:51,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 384594205, now seen corresponding path program 1 times [2024-11-07 15:42:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151920116] [2024-11-07 15:42:51,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:51,713 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 15:42:51,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:51,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151920116] [2024-11-07 15:42:51,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151920116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:51,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:51,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16265432] [2024-11-07 15:42:51,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:51,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:51,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:51,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:51,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:51,773 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-07 15:42:51,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:51,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:51,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-07 15:42:51,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:54,633 INFO L124 PetriNetUnfolderBase]: 298/5776 cut-off events. [2024-11-07 15:42:54,634 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-07 15:42:54,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5850 conditions, 5776 events. 298/5776 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42568 event pairs, 18 based on Foata normal form. 0/4582 useless extension candidates. Maximal degree in co-relation 5748. Up to 56 conditions per place. [2024-11-07 15:42:54,903 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2024-11-07 15:42:54,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1699 transitions, 3450 flow [2024-11-07 15:42:54,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:54,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-07 15:42:54,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-07 15:42:54,908 INFO L175 Difference]: Start difference. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand 3 states and 5161 transitions. [2024-11-07 15:42:54,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1699 transitions, 3450 flow [2024-11-07 15:42:54,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1699 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:54,925 INFO L231 Difference]: Finished difference. Result has 1632 places, 1699 transitions, 3408 flow [2024-11-07 15:42:54,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1632, PETRI_TRANSITIONS=1699} [2024-11-07 15:42:54,927 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -19 predicate places. [2024-11-07 15:42:54,927 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1699 transitions, 3408 flow [2024-11-07 15:42:54,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:54,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:54,929 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:42:54,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:42:54,929 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:54,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:54,930 INFO L85 PathProgramCache]: Analyzing trace with hash -735321765, now seen corresponding path program 1 times [2024-11-07 15:42:54,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:54,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116150203] [2024-11-07 15:42:54,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:54,982 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 15:42:54,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:54,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116150203] [2024-11-07 15:42:54,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116150203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:54,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:54,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:54,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103180151] [2024-11-07 15:42:54,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:54,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:54,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:54,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:54,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:55,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-07 15:42:55,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:55,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:55,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-07 15:42:55,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:58,823 INFO L124 PetriNetUnfolderBase]: 448/8493 cut-off events. [2024-11-07 15:42:58,823 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-07 15:42:59,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8602 conditions, 8493 events. 448/8493 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 71441 event pairs, 30 based on Foata normal form. 0/6708 useless extension candidates. Maximal degree in co-relation 8492. Up to 85 conditions per place. [2024-11-07 15:42:59,239 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2024-11-07 15:42:59,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1698 transitions, 3458 flow [2024-11-07 15:42:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:42:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:42:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-07 15:42:59,245 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-07 15:42:59,245 INFO L175 Difference]: Start difference. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand 3 states and 5151 transitions. [2024-11-07 15:42:59,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1698 transitions, 3458 flow [2024-11-07 15:42:59,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1698 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:42:59,262 INFO L231 Difference]: Finished difference. Result has 1631 places, 1698 transitions, 3406 flow [2024-11-07 15:42:59,264 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1631, PETRI_TRANSITIONS=1698} [2024-11-07 15:42:59,264 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -20 predicate places. [2024-11-07 15:42:59,265 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1698 transitions, 3406 flow [2024-11-07 15:42:59,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:59,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:42:59,266 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:42:59,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:42:59,266 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:42:59,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:42:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1296555649, now seen corresponding path program 1 times [2024-11-07 15:42:59,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:42:59,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706384126] [2024-11-07 15:42:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:42:59,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:42:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:42:59,315 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 15:42:59,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:42:59,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706384126] [2024-11-07 15:42:59,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706384126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:42:59,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:42:59,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:42:59,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194255826] [2024-11-07 15:42:59,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:42:59,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:42:59,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:42:59,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:42:59,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:42:59,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-07 15:42:59,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:42:59,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:42:59,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-07 15:42:59,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:42:59,960 INFO L124 PetriNetUnfolderBase]: 91/1733 cut-off events. [2024-11-07 15:42:59,960 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-07 15:43:00,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1733 events. 91/1733 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8608 event pairs, 18 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1680. Up to 56 conditions per place. [2024-11-07 15:43:00,033 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2024-11-07 15:43:00,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1697 transitions, 3446 flow [2024-11-07 15:43:00,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-07 15:43:00,039 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-07 15:43:00,039 INFO L175 Difference]: Start difference. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand 3 states and 5161 transitions. [2024-11-07 15:43:00,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1697 transitions, 3446 flow [2024-11-07 15:43:00,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1697 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:00,052 INFO L231 Difference]: Finished difference. Result has 1630 places, 1697 transitions, 3404 flow [2024-11-07 15:43:00,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1630, PETRI_TRANSITIONS=1697} [2024-11-07 15:43:00,054 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -21 predicate places. [2024-11-07 15:43:00,054 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1697 transitions, 3404 flow [2024-11-07 15:43:00,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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 15:43:00,056 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:00,056 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:00,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:43:00,056 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:43:00,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:00,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1886187943, now seen corresponding path program 1 times [2024-11-07 15:43:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:00,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205742941] [2024-11-07 15:43:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:00,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:00,109 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 15:43:00,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:00,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205742941] [2024-11-07 15:43:00,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205742941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:00,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:00,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:00,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142617092] [2024-11-07 15:43:00,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:00,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:00,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:00,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:00,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-07 15:43:00,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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 15:43:00,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:00,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-07 15:43:00,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:01,136 INFO L124 PetriNetUnfolderBase]: 136/2393 cut-off events. [2024-11-07 15:43:01,136 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-07 15:43:01,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 2393 events. 136/2393 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13932 event pairs, 30 based on Foata normal form. 0/1933 useless extension candidates. Maximal degree in co-relation 2362. Up to 86 conditions per place. [2024-11-07 15:43:01,230 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2024-11-07 15:43:01,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1696 transitions, 3454 flow [2024-11-07 15:43:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-07 15:43:01,238 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-07 15:43:01,238 INFO L175 Difference]: Start difference. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand 3 states and 5151 transitions. [2024-11-07 15:43:01,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1696 transitions, 3454 flow [2024-11-07 15:43:01,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1696 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:01,255 INFO L231 Difference]: Finished difference. Result has 1629 places, 1696 transitions, 3402 flow [2024-11-07 15:43:01,256 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3402, PETRI_PLACES=1629, PETRI_TRANSITIONS=1696} [2024-11-07 15:43:01,257 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -22 predicate places. [2024-11-07 15:43:01,257 INFO L471 AbstractCegarLoop]: Abstraction has has 1629 places, 1696 transitions, 3402 flow [2024-11-07 15:43:01,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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 15:43:01,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:01,258 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:01,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:43:01,258 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:43:01,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:01,259 INFO L85 PathProgramCache]: Analyzing trace with hash -533478383, now seen corresponding path program 1 times [2024-11-07 15:43:01,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:01,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501120951] [2024-11-07 15:43:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:01,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501120951] [2024-11-07 15:43:01,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501120951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:01,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312541988] [2024-11-07 15:43:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:01,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:01,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:01,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:01,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:01,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-07 15:43:01,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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 15:43:01,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:01,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-07 15:43:01,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:04,074 INFO L124 PetriNetUnfolderBase]: 335/6219 cut-off events. [2024-11-07 15:43:04,075 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-07 15:43:04,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 6219 events. 335/6219 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 52024 event pairs, 32 based on Foata normal form. 0/4940 useless extension candidates. Maximal degree in co-relation 6184. Up to 82 conditions per place. [2024-11-07 15:43:04,287 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2024-11-07 15:43:04,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1695 transitions, 3438 flow [2024-11-07 15:43:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-07 15:43:04,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-07 15:43:04,291 INFO L175 Difference]: Start difference. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand 3 states and 5165 transitions. [2024-11-07 15:43:04,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1695 transitions, 3438 flow [2024-11-07 15:43:04,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1695 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:04,304 INFO L231 Difference]: Finished difference. Result has 1628 places, 1695 transitions, 3400 flow [2024-11-07 15:43:04,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3400, PETRI_PLACES=1628, PETRI_TRANSITIONS=1695} [2024-11-07 15:43:04,306 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -23 predicate places. [2024-11-07 15:43:04,306 INFO L471 AbstractCegarLoop]: Abstraction has has 1628 places, 1695 transitions, 3400 flow [2024-11-07 15:43:04,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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 15:43:04,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:04,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:04,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:43:04,307 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:43:04,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:04,307 INFO L85 PathProgramCache]: Analyzing trace with hash 53400281, now seen corresponding path program 1 times [2024-11-07 15:43:04,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:04,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786996939] [2024-11-07 15:43:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:04,374 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 15:43:04,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:04,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786996939] [2024-11-07 15:43:04,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786996939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:04,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:04,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:04,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171490683] [2024-11-07 15:43:04,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:04,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:04,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:04,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:04,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:04,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-07 15:43:04,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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 15:43:04,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:04,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-07 15:43:04,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:08,091 INFO L124 PetriNetUnfolderBase]: 781/14374 cut-off events. [2024-11-07 15:43:08,091 INFO L125 PetriNetUnfolderBase]: For 5/41 co-relation queries the response was YES. [2024-11-07 15:43:08,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14541 conditions, 14374 events. 781/14374 cut-off events. For 5/41 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 158630 event pairs, 64 based on Foata normal form. 0/11328 useless extension candidates. Maximal degree in co-relation 14399. Up to 130 conditions per place. [2024-11-07 15:43:08,469 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2024-11-07 15:43:08,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1629 places, 1694 transitions, 3436 flow [2024-11-07 15:43:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-07 15:43:08,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-07 15:43:08,474 INFO L175 Difference]: Start difference. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand 3 states and 5165 transitions. [2024-11-07 15:43:08,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1629 places, 1694 transitions, 3436 flow [2024-11-07 15:43:08,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1627 places, 1694 transitions, 3432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:08,491 INFO L231 Difference]: Finished difference. Result has 1627 places, 1694 transitions, 3398 flow [2024-11-07 15:43:08,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=1625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3398, PETRI_PLACES=1627, PETRI_TRANSITIONS=1694} [2024-11-07 15:43:08,493 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -24 predicate places. [2024-11-07 15:43:08,493 INFO L471 AbstractCegarLoop]: Abstraction has has 1627 places, 1694 transitions, 3398 flow [2024-11-07 15:43:08,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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 15:43:08,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:08,494 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:08,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:43:08,495 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:43:08,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:08,495 INFO L85 PathProgramCache]: Analyzing trace with hash 882084610, now seen corresponding path program 1 times [2024-11-07 15:43:08,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:08,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097242978] [2024-11-07 15:43:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:08,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:08,711 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 15:43:08,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:08,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097242978] [2024-11-07 15:43:08,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097242978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:08,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:08,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:08,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009034865] [2024-11-07 15:43:08,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:08,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:08,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:08,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:08,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:08,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-07 15:43:08,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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 15:43:08,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:08,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-07 15:43:08,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:10,510 INFO L124 PetriNetUnfolderBase]: 316/5272 cut-off events. [2024-11-07 15:43:10,510 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2024-11-07 15:43:10,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5424 conditions, 5272 events. 316/5272 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 41554 event pairs, 64 based on Foata normal form. 0/4199 useless extension candidates. Maximal degree in co-relation 5274. Up to 139 conditions per place. [2024-11-07 15:43:10,776 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1693 dead transitions. [2024-11-07 15:43:10,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1628 places, 1693 transitions, 3434 flow [2024-11-07 15:43:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-07 15:43:10,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-07 15:43:10,783 INFO L175 Difference]: Start difference. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand 3 states and 5165 transitions. [2024-11-07 15:43:10,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1628 places, 1693 transitions, 3434 flow [2024-11-07 15:43:10,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1693 transitions, 3430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:10,801 INFO L231 Difference]: Finished difference. Result has 1626 places, 1693 transitions, 3396 flow [2024-11-07 15:43:10,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3392, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3396, PETRI_PLACES=1626, PETRI_TRANSITIONS=1693} [2024-11-07 15:43:10,803 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -25 predicate places. [2024-11-07 15:43:10,803 INFO L471 AbstractCegarLoop]: Abstraction has has 1626 places, 1693 transitions, 3396 flow [2024-11-07 15:43:10,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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 15:43:10,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:10,804 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:10,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:43:10,804 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-07 15:43:10,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:10,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1801927351, now seen corresponding path program 1 times [2024-11-07 15:43:10,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:10,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567851032] [2024-11-07 15:43:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:10,856 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 15:43:10,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:10,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567851032] [2024-11-07 15:43:10,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567851032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:10,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:10,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:10,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680335037] [2024-11-07 15:43:10,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:10,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:10,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:10,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:10,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:10,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1774 [2024-11-07 15:43:10,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 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 15:43:10,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:10,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1774 [2024-11-07 15:43:10,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand