./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-3.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/parallel-misc-3.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', 'b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66'] 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/parallel-misc-3.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 b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:43:49,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:43:49,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:43:49,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:43:49,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:43:49,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:43:49,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:43:49,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:43:49,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:43:49,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:43:49,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:43:49,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:43:49,669 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:43:49,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:43:49,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:43:49,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:43:49,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:43:49,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:43:49,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:43:49,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:43:49,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:43:49,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:43:49,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:43:49,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:43:49,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:49,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:43:49,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:43:49,672 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 -> b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66 [2024-11-07 15:43:49,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:43:49,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:43:49,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:43:49,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:43:49,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:43:49,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-11-07 15:43:51,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:43:51,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:43:51,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-11-07 15:43:51,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f088589cf/8f5774a480c04e169c2840e711326032/FLAG0cc36e0b9 [2024-11-07 15:43:51,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f088589cf/8f5774a480c04e169c2840e711326032 [2024-11-07 15:43:51,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:43:51,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:43:51,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:51,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:43:51,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:43:51,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48749a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51, skipping insertion in model container [2024-11-07 15:43:51,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:43:51,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:51,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:43:51,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:51,747 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:43:51,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51 WrapperNode [2024-11-07 15:43:51,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:51,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:51,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:43:51,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:43:51,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,776 INFO L138 Inliner]: procedures = 18, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-07 15:43:51,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:51,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:43:51,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:43:51,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:43:51,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:43:51,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:43:51,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:43:51,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:43:51,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (1/1) ... [2024-11-07 15:43:51,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:43:51,833 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 15:43:51,837 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 15:43:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:43:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:43:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:43:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:43:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:43:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:43:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:43:51,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:43:51,862 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 15:43:51,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:43:51,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:43:52,208 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:43:52,208 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:43:52,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:43:52,235 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 15:43:52,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:52 BoogieIcfgContainer [2024-11-07 15:43:52,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:43:52,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:43:52,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:43:52,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:43:52,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:43:51" (1/3) ... [2024-11-07 15:43:52,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f66183a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:52, skipping insertion in model container [2024-11-07 15:43:52,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:51" (2/3) ... [2024-11-07 15:43:52,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f66183a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:52, skipping insertion in model container [2024-11-07 15:43:52,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:52" (3/3) ... [2024-11-07 15:43:52,247 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2024-11-07 15:43:52,261 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:43:52,261 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-07 15:43:52,261 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:43:52,367 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 15:43:52,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 328 flow [2024-11-07 15:43:52,479 INFO L124 PetriNetUnfolderBase]: 11/155 cut-off events. [2024-11-07 15:43:52,482 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:43:52,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 155 events. 11/155 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2024-11-07 15:43:52,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 157 transitions, 328 flow [2024-11-07 15:43:52,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 138 transitions, 285 flow [2024-11-07 15:43:52,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:43:52,530 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;@4f77a347, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:43:52,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-07 15:43:52,544 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:43:52,546 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-07 15:43:52,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:43:52,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:52,547 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:52,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:52,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1912769815, now seen corresponding path program 1 times [2024-11-07 15:43:52,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247969160] [2024-11-07 15:43:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:52,704 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 15:43:52,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:52,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247969160] [2024-11-07 15:43:52,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247969160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:52,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:52,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:52,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298885832] [2024-11-07 15:43:52,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:52,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:52,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:52,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2024-11-07 15:43:52,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 138 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:43:52,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:52,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2024-11-07 15:43:52,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:52,870 INFO L124 PetriNetUnfolderBase]: 19/185 cut-off events. [2024-11-07 15:43:52,870 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-07 15:43:52,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 185 events. 19/185 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 477 event pairs, 6 based on Foata normal form. 11/163 useless extension candidates. Maximal degree in co-relation 175. Up to 27 conditions per place. [2024-11-07 15:43:52,873 INFO L140 encePairwiseOnDemand]: 152/157 looper letters, 12 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-07 15:43:52,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 135 transitions, 307 flow [2024-11-07 15:43:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2024-11-07 15:43:52,889 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9023354564755839 [2024-11-07 15:43:52,892 INFO L175 Difference]: Start difference. First operand has 135 places, 138 transitions, 285 flow. Second operand 3 states and 425 transitions. [2024-11-07 15:43:52,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 135 transitions, 307 flow [2024-11-07 15:43:52,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 135 transitions, 302 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 15:43:52,904 INFO L231 Difference]: Finished difference. Result has 133 places, 135 transitions, 278 flow [2024-11-07 15:43:52,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2024-11-07 15:43:52,910 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -2 predicate places. [2024-11-07 15:43:52,911 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 278 flow [2024-11-07 15:43:52,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:43:52,912 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:52,912 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] [2024-11-07 15:43:52,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:43:52,913 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:52,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:52,913 INFO L85 PathProgramCache]: Analyzing trace with hash -803392173, now seen corresponding path program 1 times [2024-11-07 15:43:52,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:52,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207141267] [2024-11-07 15:43:52,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:52,973 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 15:43:52,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:52,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207141267] [2024-11-07 15:43:52,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207141267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:52,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:52,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:52,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384725486] [2024-11-07 15:43:52,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:52,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:52,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:52,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:52,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2024-11-07 15:43:53,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:43:53,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2024-11-07 15:43:53,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,086 INFO L124 PetriNetUnfolderBase]: 30/240 cut-off events. [2024-11-07 15:43:53,086 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:43:53,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 240 events. 30/240 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 856 event pairs, 14 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 268. Up to 41 conditions per place. [2024-11-07 15:43:53,090 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 12 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-07 15:43:53,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 134 transitions, 304 flow [2024-11-07 15:43:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2024-11-07 15:43:53,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8980891719745223 [2024-11-07 15:43:53,097 INFO L175 Difference]: Start difference. First operand has 133 places, 135 transitions, 278 flow. Second operand 3 states and 423 transitions. [2024-11-07 15:43:53,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 134 transitions, 304 flow [2024-11-07 15:43:53,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 134 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:53,100 INFO L231 Difference]: Finished difference. Result has 132 places, 134 transitions, 276 flow [2024-11-07 15:43:53,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=132, PETRI_TRANSITIONS=134} [2024-11-07 15:43:53,103 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -3 predicate places. [2024-11-07 15:43:53,103 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 134 transitions, 276 flow [2024-11-07 15:43:53,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:43:53,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,103 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] [2024-11-07 15:43:53,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:43:53,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,106 INFO L85 PathProgramCache]: Analyzing trace with hash -901983510, now seen corresponding path program 1 times [2024-11-07 15:43:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280174111] [2024-11-07 15:43:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,156 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 15:43:53,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280174111] [2024-11-07 15:43:53,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280174111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448611963] [2024-11-07 15:43:53,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 157 [2024-11-07 15:43:53,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:43:53,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 157 [2024-11-07 15:43:53,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,231 INFO L124 PetriNetUnfolderBase]: 16/180 cut-off events. [2024-11-07 15:43:53,231 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:43:53,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 180 events. 16/180 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 435 event pairs, 4 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 186. Up to 20 conditions per place. [2024-11-07 15:43:53,236 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 10 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-07 15:43:53,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 133 transitions, 298 flow [2024-11-07 15:43:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-11-07 15:43:53,239 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065817409766455 [2024-11-07 15:43:53,239 INFO L175 Difference]: Start difference. First operand has 132 places, 134 transitions, 276 flow. Second operand 3 states and 427 transitions. [2024-11-07 15:43:53,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 133 transitions, 298 flow [2024-11-07 15:43:53,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 133 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:53,243 INFO L231 Difference]: Finished difference. Result has 131 places, 133 transitions, 274 flow [2024-11-07 15:43:53,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=131, PETRI_TRANSITIONS=133} [2024-11-07 15:43:53,244 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2024-11-07 15:43:53,244 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 133 transitions, 274 flow [2024-11-07 15:43:53,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:43:53,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:53,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:43:53,246 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash 945803261, now seen corresponding path program 1 times [2024-11-07 15:43:53,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425869219] [2024-11-07 15:43:53,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,299 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 15:43:53,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425869219] [2024-11-07 15:43:53,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425869219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976515775] [2024-11-07 15:43:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 157 [2024-11-07 15:43:53,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:43:53,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 157 [2024-11-07 15:43:53,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,377 INFO L124 PetriNetUnfolderBase]: 28/269 cut-off events. [2024-11-07 15:43:53,378 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 15:43:53,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 269 events. 28/269 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 959 event pairs, 8 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 274. Up to 28 conditions per place. [2024-11-07 15:43:53,380 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 10 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-11-07 15:43:53,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 132 transitions, 296 flow [2024-11-07 15:43:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-11-07 15:43:53,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065817409766455 [2024-11-07 15:43:53,382 INFO L175 Difference]: Start difference. First operand has 131 places, 133 transitions, 274 flow. Second operand 3 states and 427 transitions. [2024-11-07 15:43:53,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 132 transitions, 296 flow [2024-11-07 15:43:53,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 132 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:53,386 INFO L231 Difference]: Finished difference. Result has 130 places, 132 transitions, 272 flow [2024-11-07 15:43:53,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=130, PETRI_TRANSITIONS=132} [2024-11-07 15:43:53,387 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -5 predicate places. [2024-11-07 15:43:53,387 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 132 transitions, 272 flow [2024-11-07 15:43:53,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:43:53,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:53,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:43:53,388 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1578730682, now seen corresponding path program 1 times [2024-11-07 15:43:53,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959425631] [2024-11-07 15:43:53,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,435 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 15:43:53,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959425631] [2024-11-07 15:43:53,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959425631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714237534] [2024-11-07 15:43:53,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,450 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 157 [2024-11-07 15:43:53,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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 15:43:53,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 157 [2024-11-07 15:43:53,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,483 INFO L124 PetriNetUnfolderBase]: 21/223 cut-off events. [2024-11-07 15:43:53,483 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:43:53,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 223 events. 21/223 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 699 event pairs, 3 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 222. Up to 16 conditions per place. [2024-11-07 15:43:53,485 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 9 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-07 15:43:53,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 133 transitions, 298 flow [2024-11-07 15:43:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-11-07 15:43:53,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9299363057324841 [2024-11-07 15:43:53,487 INFO L175 Difference]: Start difference. First operand has 130 places, 132 transitions, 272 flow. Second operand 3 states and 438 transitions. [2024-11-07 15:43:53,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 133 transitions, 298 flow [2024-11-07 15:43:53,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 133 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:53,490 INFO L231 Difference]: Finished difference. Result has 130 places, 132 transitions, 276 flow [2024-11-07 15:43:53,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=130, PETRI_TRANSITIONS=132} [2024-11-07 15:43:53,491 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -5 predicate places. [2024-11-07 15:43:53,491 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 132 transitions, 276 flow [2024-11-07 15:43:53,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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 15:43:53,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,492 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] [2024-11-07 15:43:53,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:43:53,492 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2073458996, now seen corresponding path program 1 times [2024-11-07 15:43:53,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721880577] [2024-11-07 15:43:53,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,536 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 15:43:53,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721880577] [2024-11-07 15:43:53,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721880577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300590922] [2024-11-07 15:43:53,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2024-11-07 15:43:53,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 132 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:43:53,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2024-11-07 15:43:53,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,609 INFO L124 PetriNetUnfolderBase]: 21/186 cut-off events. [2024-11-07 15:43:53,609 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:43:53,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 186 events. 21/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 526 event pairs, 1 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 189. Up to 27 conditions per place. [2024-11-07 15:43:53,611 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 13 selfloop transitions, 3 changer transitions 0/132 dead transitions. [2024-11-07 15:43:53,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 132 transitions, 311 flow [2024-11-07 15:43:53,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-11-07 15:43:53,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065817409766455 [2024-11-07 15:43:53,617 INFO L175 Difference]: Start difference. First operand has 130 places, 132 transitions, 276 flow. Second operand 3 states and 427 transitions. [2024-11-07 15:43:53,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 132 transitions, 311 flow [2024-11-07 15:43:53,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 132 transitions, 309 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:53,620 INFO L231 Difference]: Finished difference. Result has 129 places, 130 transitions, 281 flow [2024-11-07 15:43:53,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=129, PETRI_TRANSITIONS=130} [2024-11-07 15:43:53,621 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -6 predicate places. [2024-11-07 15:43:53,622 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 130 transitions, 281 flow [2024-11-07 15:43:53,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:43:53,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,623 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] [2024-11-07 15:43:53,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:43:53,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash -13217703, now seen corresponding path program 1 times [2024-11-07 15:43:53,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117895878] [2024-11-07 15:43:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,672 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 15:43:53,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117895878] [2024-11-07 15:43:53,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117895878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513251140] [2024-11-07 15:43:53,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 157 [2024-11-07 15:43:53,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 130 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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 15:43:53,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 157 [2024-11-07 15:43:53,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,742 INFO L124 PetriNetUnfolderBase]: 38/321 cut-off events. [2024-11-07 15:43:53,743 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-07 15:43:53,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 321 events. 38/321 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1244 event pairs, 6 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 268. Up to 25 conditions per place. [2024-11-07 15:43:53,745 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-07 15:43:53,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 133 transitions, 314 flow [2024-11-07 15:43:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-07 15:43:53,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9341825902335457 [2024-11-07 15:43:53,747 INFO L175 Difference]: Start difference. First operand has 129 places, 130 transitions, 281 flow. Second operand 3 states and 440 transitions. [2024-11-07 15:43:53,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 133 transitions, 314 flow [2024-11-07 15:43:53,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 133 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:53,749 INFO L231 Difference]: Finished difference. Result has 130 places, 130 transitions, 286 flow [2024-11-07 15:43:53,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=130, PETRI_TRANSITIONS=130} [2024-11-07 15:43:53,750 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -5 predicate places. [2024-11-07 15:43:53,752 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 286 flow [2024-11-07 15:43:53,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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 15:43:53,753 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,753 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] [2024-11-07 15:43:53,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:43:53,753 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1368842117, now seen corresponding path program 1 times [2024-11-07 15:43:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314490291] [2024-11-07 15:43:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,819 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 15:43:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314490291] [2024-11-07 15:43:53,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314490291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64568494] [2024-11-07 15:43:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2024-11-07 15:43:53,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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 15:43:53,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2024-11-07 15:43:53,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,924 INFO L124 PetriNetUnfolderBase]: 54/340 cut-off events. [2024-11-07 15:43:53,928 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2024-11-07 15:43:53,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 340 events. 54/340 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1611 event pairs, 6 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 333. Up to 59 conditions per place. [2024-11-07 15:43:53,931 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 14 selfloop transitions, 3 changer transitions 0/131 dead transitions. [2024-11-07 15:43:53,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 131 transitions, 323 flow [2024-11-07 15:43:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2024-11-07 15:43:53,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9087048832271762 [2024-11-07 15:43:53,933 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 286 flow. Second operand 3 states and 428 transitions. [2024-11-07 15:43:53,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 131 transitions, 323 flow [2024-11-07 15:43:53,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 321 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:53,940 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 291 flow [2024-11-07 15:43:53,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-11-07 15:43:53,940 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -6 predicate places. [2024-11-07 15:43:53,941 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 291 flow [2024-11-07 15:43:53,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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 15:43:53,941 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,941 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 15:43:53,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:43:53,941 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:53,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1923077488, now seen corresponding path program 1 times [2024-11-07 15:43:53,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418082616] [2024-11-07 15:43:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,013 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 15:43:54,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418082616] [2024-11-07 15:43:54,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418082616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827234363] [2024-11-07 15:43:54,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 157 [2024-11-07 15:43:54,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 15:43:54,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 157 [2024-11-07 15:43:54,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,086 INFO L124 PetriNetUnfolderBase]: 21/188 cut-off events. [2024-11-07 15:43:54,086 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-07 15:43:54,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 188 events. 21/188 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 538 event pairs, 7 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 221. Up to 29 conditions per place. [2024-11-07 15:43:54,089 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 13 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2024-11-07 15:43:54,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 128 transitions, 323 flow [2024-11-07 15:43:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2024-11-07 15:43:54,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910828025477707 [2024-11-07 15:43:54,091 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 291 flow. Second operand 3 states and 429 transitions. [2024-11-07 15:43:54,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 128 transitions, 323 flow [2024-11-07 15:43:54,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 128 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:54,094 INFO L231 Difference]: Finished difference. Result has 129 places, 127 transitions, 290 flow [2024-11-07 15:43:54,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=129, PETRI_TRANSITIONS=127} [2024-11-07 15:43:54,095 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -6 predicate places. [2024-11-07 15:43:54,095 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 127 transitions, 290 flow [2024-11-07 15:43:54,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 15:43:54,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,096 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] [2024-11-07 15:43:54,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:43:54,096 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:54,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2109411636, now seen corresponding path program 1 times [2024-11-07 15:43:54,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416926025] [2024-11-07 15:43:54,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,159 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 15:43:54,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416926025] [2024-11-07 15:43:54,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416926025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484295431] [2024-11-07 15:43:54,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 157 [2024-11-07 15:43:54,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 127 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 15:43:54,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 157 [2024-11-07 15:43:54,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,249 INFO L124 PetriNetUnfolderBase]: 53/330 cut-off events. [2024-11-07 15:43:54,250 INFO L125 PetriNetUnfolderBase]: For 28/29 co-relation queries the response was YES. [2024-11-07 15:43:54,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 330 events. 53/330 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1510 event pairs, 22 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 361. Up to 62 conditions per place. [2024-11-07 15:43:54,252 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 15 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2024-11-07 15:43:54,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 129 transitions, 329 flow [2024-11-07 15:43:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-11-07 15:43:54,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9150743099787686 [2024-11-07 15:43:54,257 INFO L175 Difference]: Start difference. First operand has 129 places, 127 transitions, 290 flow. Second operand 3 states and 431 transitions. [2024-11-07 15:43:54,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 129 transitions, 329 flow [2024-11-07 15:43:54,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 129 transitions, 325 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:54,260 INFO L231 Difference]: Finished difference. Result has 128 places, 126 transitions, 288 flow [2024-11-07 15:43:54,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=128, PETRI_TRANSITIONS=126} [2024-11-07 15:43:54,260 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -7 predicate places. [2024-11-07 15:43:54,261 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 126 transitions, 288 flow [2024-11-07 15:43:54,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 15:43:54,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,261 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] [2024-11-07 15:43:54,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:43:54,261 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:54,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,261 INFO L85 PathProgramCache]: Analyzing trace with hash 540994040, now seen corresponding path program 1 times [2024-11-07 15:43:54,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132506553] [2024-11-07 15:43:54,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,315 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 15:43:54,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132506553] [2024-11-07 15:43:54,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132506553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842379507] [2024-11-07 15:43:54,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 157 [2024-11-07 15:43:54,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 126 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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 15:43:54,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 157 [2024-11-07 15:43:54,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,364 INFO L124 PetriNetUnfolderBase]: 20/190 cut-off events. [2024-11-07 15:43:54,365 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-07 15:43:54,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 190 events. 20/190 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 535 event pairs, 6 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 231. Up to 26 conditions per place. [2024-11-07 15:43:54,366 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-11-07 15:43:54,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 126 transitions, 316 flow [2024-11-07 15:43:54,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2024-11-07 15:43:54,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9193205944798302 [2024-11-07 15:43:54,368 INFO L175 Difference]: Start difference. First operand has 128 places, 126 transitions, 288 flow. Second operand 3 states and 433 transitions. [2024-11-07 15:43:54,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 126 transitions, 316 flow [2024-11-07 15:43:54,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 126 transitions, 312 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:54,371 INFO L231 Difference]: Finished difference. Result has 127 places, 125 transitions, 286 flow [2024-11-07 15:43:54,372 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=127, PETRI_TRANSITIONS=125} [2024-11-07 15:43:54,372 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -8 predicate places. [2024-11-07 15:43:54,372 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 286 flow [2024-11-07 15:43:54,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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 15:43:54,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,373 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] [2024-11-07 15:43:54,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:43:54,373 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:43:54,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,374 INFO L85 PathProgramCache]: Analyzing trace with hash 831169460, now seen corresponding path program 1 times [2024-11-07 15:43:54,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110519175] [2024-11-07 15:43:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,419 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 15:43:54,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110519175] [2024-11-07 15:43:54,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110519175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354210391] [2024-11-07 15:43:54,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 157 [2024-11-07 15:43:54,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 125 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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 15:43:54,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 157 [2024-11-07 15:43:54,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,486 INFO L124 PetriNetUnfolderBase]: 50/339 cut-off events. [2024-11-07 15:43:54,486 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-07 15:43:54,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 339 events. 50/339 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1526 event pairs, 18 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 458. Up to 53 conditions per place. [2024-11-07 15:43:54,488 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 0 selfloop transitions, 0 changer transitions 127/127 dead transitions. [2024-11-07 15:43:54,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 321 flow [2024-11-07 15:43:54,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2024-11-07 15:43:54,490 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9235668789808917 [2024-11-07 15:43:54,490 INFO L175 Difference]: Start difference. First operand has 127 places, 125 transitions, 286 flow. Second operand 3 states and 435 transitions. [2024-11-07 15:43:54,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 127 transitions, 321 flow [2024-11-07 15:43:54,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 127 transitions, 317 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:54,491 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2024-11-07 15:43:54,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2024-11-07 15:43:54,492 INFO L277 CegarLoopForPetriNet]: 135 programPoint places, -9 predicate places. [2024-11-07 15:43:54,492 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2024-11-07 15:43:54,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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 15:43:54,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-07 15:43:54,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-07 15:43:54,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2024-11-07 15:43:54,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-07 15:43:54,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-07 15:43:54,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-07 15:43:54,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:43:54,499 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:54,504 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:43:54,504 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:43:54,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:43:54 BasicIcfg [2024-11-07 15:43:54,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:43:54,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:43:54,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:43:54,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:43:54,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:52" (3/4) ... [2024-11-07 15:43:54,513 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:43:54,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 15:43:54,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-07 15:43:54,518 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-07 15:43:54,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:43:54,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:43:54,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:43:54,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:43:54,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:43:54,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:43:54,582 INFO L158 Benchmark]: Toolchain (without parser) took 3024.05ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 91.9MB in the beginning and 106.7MB in the end (delta: -14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-07 15:43:54,582 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:54,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.28ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:54,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.15ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:54,583 INFO L158 Benchmark]: Boogie Preprocessor took 19.89ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.2MB in the end (delta: 867.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:54,583 INFO L158 Benchmark]: RCFGBuilder took 438.93ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.1MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:54,584 INFO L158 Benchmark]: TraceAbstraction took 2269.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 62.6MB in the beginning and 111.9MB in the end (delta: -49.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-07 15:43:54,584 INFO L158 Benchmark]: Witness Printer took 71.38ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 106.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:54,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.28ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.15ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.89ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.2MB in the end (delta: 867.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 438.93ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.1MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2269.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 62.6MB in the beginning and 111.9MB in the end (delta: -49.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Witness Printer took 71.38ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 106.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 227 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 375 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 76 mSDtfsCounter, 375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=8, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 530 ConstructedInterpolants, 0 QuantifiedInterpolants, 554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:43:54,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE