./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-8.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-ticket-8.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', '9053cd9eb87a8824d68da81e817a5c2746c138459aecfddcec40af107177afcb'] 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-ticket-8.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 9053cd9eb87a8824d68da81e817a5c2746c138459aecfddcec40af107177afcb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:44:01,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:44:01,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:44:01,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:44:01,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:44:01,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:44:01,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:44:01,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:44:01,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:44:01,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:44:01,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:44:01,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:44:01,217 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:44:01,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:44:01,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:44:01,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:44:01,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:44:01,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:44:01,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:44:01,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:44:01,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:44:01,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:44:01,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:44:01,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:44:01,223 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 -> 9053cd9eb87a8824d68da81e817a5c2746c138459aecfddcec40af107177afcb [2024-11-07 15:44:01,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:44:01,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:44:01,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:44:01,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:44:01,454 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:44:01,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2024-11-07 15:44:02,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:44:02,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:44:02,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2024-11-07 15:44:02,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cda8e9ce6/85253d13132549a4a980f58fd3de7049/FLAG8c2c92958 [2024-11-07 15:44:02,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cda8e9ce6/85253d13132549a4a980f58fd3de7049 [2024-11-07 15:44:02,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:44:02,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:44:02,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:44:02,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:44:02,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:44:02,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:44:02" (1/1) ... [2024-11-07 15:44:02,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3d4cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:02, skipping insertion in model container [2024-11-07 15:44:02,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:44:02" (1/1) ... [2024-11-07 15:44:02,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:44:02,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:44:02,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:44:03,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:44:03,031 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:44:03,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03 WrapperNode [2024-11-07 15:44:03,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:44:03,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:44:03,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:44:03,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:44:03,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,070 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 382 [2024-11-07 15:44:03,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:44:03,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:44:03,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:44:03,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:44:03,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:44:03,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:44:03,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:44:03,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:44:03,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (1/1) ... [2024-11-07 15:44:03,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:44:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:44:03,124 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 15:44:03,126 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 15:44:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:44:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:44:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:44:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:44:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:44:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-11-07 15:44:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:44:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:44:03,145 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 15:44:03,259 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:44:03,260 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:44:03,622 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:44:03,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:44:03,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:44:03,662 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:44:03,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:44:03 BoogieIcfgContainer [2024-11-07 15:44:03,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:44:03,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:44:03,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:44:03,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:44:03,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:44:02" (1/3) ... [2024-11-07 15:44:03,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416bffb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:44:03, skipping insertion in model container [2024-11-07 15:44:03,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:03" (2/3) ... [2024-11-07 15:44:03,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416bffb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:44:03, skipping insertion in model container [2024-11-07 15:44:03,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:44:03" (3/3) ... [2024-11-07 15:44:03,684 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-11-07 15:44:03,693 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:44:03,693 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 15:44:03,693 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:44:03,816 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-07 15:44:03,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 427 places, 419 transitions, 894 flow [2024-11-07 15:44:04,010 INFO L124 PetriNetUnfolderBase]: 17/411 cut-off events. [2024-11-07 15:44:04,012 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-07 15:44:04,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 411 events. 17/411 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 854 event pairs, 0 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 371. Up to 2 conditions per place. [2024-11-07 15:44:04,018 INFO L82 GeneralOperation]: Start removeDead. Operand has 427 places, 419 transitions, 894 flow [2024-11-07 15:44:04,023 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 394 transitions, 833 flow [2024-11-07 15:44:04,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:44:04,036 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;@6ebb2023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:44:04,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-11-07 15:44:04,046 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:44:04,046 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-11-07 15:44:04,046 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:44:04,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:04,047 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 15:44:04,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-07 15:44:04,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:04,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1917364500, now seen corresponding path program 1 times [2024-11-07 15:44:04,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:04,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629759568] [2024-11-07 15:44:04,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:04,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:04,207 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 15:44:04,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:04,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629759568] [2024-11-07 15:44:04,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629759568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:04,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:04,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:04,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520179954] [2024-11-07 15:44:04,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:04,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:04,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:04,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:04,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:04,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 419 [2024-11-07 15:44:04,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 394 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:44:04,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:04,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 419 [2024-11-07 15:44:04,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand