./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! data-race) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:38:02,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:38:02,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:38:02,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:38:02,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:38:02,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:38:02,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:38:02,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:38:02,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:38:02,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:38:02,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:38:02,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:38:02,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:38:02,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:38:02,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:38:02,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:38:02,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:38:02,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:38:02,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:38:02,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:38:02,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:38:02,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:38:02,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:38:02,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:38:02,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:38:02,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:38:02,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:38:02,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:38:02,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:38:02,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:38:02,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:38:02,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:38:02,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:38:02,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:38:02,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:38:02,255 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 -> 8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d [2024-11-07 15:38:02,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:38:02,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:38:02,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:38:02,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:38:02,671 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:38:02,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-11-07 15:38:04,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:38:04,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:38:04,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-11-07 15:38:04,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0677561e3/8ab65e19807b417e8e086bfa8caa33b3/FLAG7b1bdd71f [2024-11-07 15:38:04,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0677561e3/8ab65e19807b417e8e086bfa8caa33b3 [2024-11-07 15:38:04,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:38:04,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:38:04,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:38:04,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:38:04,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:38:04,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:38:04" (1/1) ... [2024-11-07 15:38:04,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff86a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:04, skipping insertion in model container [2024-11-07 15:38:04,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:38:04" (1/1) ... [2024-11-07 15:38:04,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:38:05,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:38:05,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:38:05,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:38:05,226 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:38:05,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05 WrapperNode [2024-11-07 15:38:05,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:38:05,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:38:05,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:38:05,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:38:05,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,303 INFO L138 Inliner]: procedures = 162, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-07 15:38:05,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:38:05,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:38:05,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:38:05,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:38:05,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:38:05,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:38:05,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:38:05,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:38:05,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (1/1) ... [2024-11-07 15:38:05,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:38:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:38:05,425 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 15:38:05,431 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 15:38:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-11-07 15:38:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-11-07 15:38:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:38:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:38:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:38:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:38:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:38:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:38:05,463 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 15:38:05,611 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:38:05,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:38:05,852 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:38:05,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:38:05,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:38:05,902 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 15:38:05,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:38:05 BoogieIcfgContainer [2024-11-07 15:38:05,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:38:05,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:38:05,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:38:05,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:38:05,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:38:04" (1/3) ... [2024-11-07 15:38:05,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450d2d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:38:05, skipping insertion in model container [2024-11-07 15:38:05,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:05" (2/3) ... [2024-11-07 15:38:05,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450d2d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:38:05, skipping insertion in model container [2024-11-07 15:38:05,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:38:05" (3/3) ... [2024-11-07 15:38:05,911 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_52-refine-protected-loop2-small_true.i [2024-11-07 15:38:05,934 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:38:05,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-07 15:38:05,934 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:38:06,033 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:38:06,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 90 transitions, 184 flow [2024-11-07 15:38:06,117 INFO L124 PetriNetUnfolderBase]: 5/89 cut-off events. [2024-11-07 15:38:06,119 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:38:06,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 5/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2024-11-07 15:38:06,122 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 90 transitions, 184 flow [2024-11-07 15:38:06,128 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 85 transitions, 173 flow [2024-11-07 15:38:06,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:38:06,162 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;@78665b1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:38:06,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-07 15:38:06,180 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:38:06,180 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-07 15:38:06,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:38:06,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:06,181 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:38:06,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:38:06,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:06,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1093320940, now seen corresponding path program 1 times [2024-11-07 15:38:06,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:06,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874008642] [2024-11-07 15:38:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:06,608 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 15:38:06,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:06,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874008642] [2024-11-07 15:38:06,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874008642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:06,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:06,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:38:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408780852] [2024-11-07 15:38:06,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:06,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:38:06,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:06,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:38:06,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:38:06,685 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 90 [2024-11-07 15:38:06,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 15:38:06,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:06,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 90 [2024-11-07 15:38:06,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:06,749 INFO L124 PetriNetUnfolderBase]: 2/80 cut-off events. [2024-11-07 15:38:06,749 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:38:06,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 80 events. 2/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 62. Up to 12 conditions per place. [2024-11-07 15:38:06,750 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 11 selfloop transitions, 2 changer transitions 3/80 dead transitions. [2024-11-07 15:38:06,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 80 transitions, 189 flow [2024-11-07 15:38:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:38:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:38:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2024-11-07 15:38:06,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8481481481481481 [2024-11-07 15:38:06,777 INFO L175 Difference]: Start difference. First operand has 85 places, 85 transitions, 173 flow. Second operand 3 states and 229 transitions. [2024-11-07 15:38:06,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 80 transitions, 189 flow [2024-11-07 15:38:06,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 80 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:38:06,783 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 160 flow [2024-11-07 15:38:06,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2024-11-07 15:38:06,786 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -2 predicate places. [2024-11-07 15:38:06,786 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 160 flow [2024-11-07 15:38:06,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 15:38:06,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:06,787 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] [2024-11-07 15:38:06,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:38:06,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:38:06,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:06,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1907590117, now seen corresponding path program 1 times [2024-11-07 15:38:06,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:06,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140749542] [2024-11-07 15:38:06,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:06,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:06,872 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 15:38:06,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140749542] [2024-11-07 15:38:06,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140749542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:06,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:06,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:38:06,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297882382] [2024-11-07 15:38:06,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:06,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:38:06,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:38:06,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:38:06,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-11-07 15:38:06,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 15:38:06,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:06,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-11-07 15:38:06,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:06,978 INFO L124 PetriNetUnfolderBase]: 2/86 cut-off events. [2024-11-07 15:38:06,978 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:38:06,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 86 events. 2/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 76. Up to 10 conditions per place. [2024-11-07 15:38:06,980 INFO L140 encePairwiseOnDemand]: 84/90 looper letters, 15 selfloop transitions, 3 changer transitions 0/79 dead transitions. [2024-11-07 15:38:06,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 79 transitions, 202 flow [2024-11-07 15:38:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:38:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:38:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2024-11-07 15:38:06,982 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2024-11-07 15:38:06,986 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 160 flow. Second operand 3 states and 228 transitions. [2024-11-07 15:38:06,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 79 transitions, 202 flow [2024-11-07 15:38:06,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 79 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:38:06,988 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 163 flow [2024-11-07 15:38:06,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2024-11-07 15:38:06,990 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -7 predicate places. [2024-11-07 15:38:06,990 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 163 flow [2024-11-07 15:38:06,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 15:38:06,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:06,994 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] [2024-11-07 15:38:06,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:38:06,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:38:06,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:06,996 INFO L85 PathProgramCache]: Analyzing trace with hash -923156851, now seen corresponding path program 1 times [2024-11-07 15:38:06,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:06,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726868122] [2024-11-07 15:38:06,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:06,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:07,096 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 15:38:07,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:07,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726868122] [2024-11-07 15:38:07,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726868122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:07,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:07,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:38:07,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852206269] [2024-11-07 15:38:07,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:07,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:38:07,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:07,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:38:07,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:38:07,144 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 90 [2024-11-07 15:38:07,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 15:38:07,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:07,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 90 [2024-11-07 15:38:07,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:07,174 INFO L124 PetriNetUnfolderBase]: 2/85 cut-off events. [2024-11-07 15:38:07,179 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:38:07,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 85 events. 2/85 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 39 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 78. Up to 17 conditions per place. [2024-11-07 15:38:07,180 INFO L140 encePairwiseOnDemand]: 87/90 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2024-11-07 15:38:07,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 74 transitions, 189 flow [2024-11-07 15:38:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:38:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:38:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2024-11-07 15:38:07,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8407407407407408 [2024-11-07 15:38:07,184 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 163 flow. Second operand 3 states and 227 transitions. [2024-11-07 15:38:07,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 74 transitions, 189 flow [2024-11-07 15:38:07,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 74 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:38:07,185 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-11-07 15:38:07,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-11-07 15:38:07,186 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -7 predicate places. [2024-11-07 15:38:07,186 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-11-07 15:38:07,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 15:38:07,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-11-07 15:38:07,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-07 15:38:07,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-07 15:38:07,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-07 15:38:07,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:38:07,193 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-07 15:38:07,199 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:38:07,199 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:38:07,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:38:07 BasicIcfg [2024-11-07 15:38:07,203 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:38:07,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:38:07,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:38:07,204 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:38:07,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:38:05" (3/4) ... [2024-11-07 15:38:07,209 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:38:07,212 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-11-07 15:38:07,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-07 15:38:07,220 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:38:07,220 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:38:07,221 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:38:07,306 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:38:07,307 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:38:07,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:38:07,307 INFO L158 Benchmark]: Toolchain (without parser) took 2607.98ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 42.4MB in the end (delta: 49.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-07 15:38:07,308 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:07,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.47ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.1MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:38:07,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.19ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:38:07,309 INFO L158 Benchmark]: Boogie Preprocessor took 57.36ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:07,309 INFO L158 Benchmark]: RCFGBuilder took 541.49ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 55.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:38:07,309 INFO L158 Benchmark]: TraceAbstraction took 1298.11ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 46.6MB in the end (delta: 8.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-07 15:38:07,310 INFO L158 Benchmark]: Witness Printer took 103.27ms. Allocated memory is still 117.4MB. Free memory was 46.6MB in the beginning and 42.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:07,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.47ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 72.1MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.19ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.36ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.49ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 55.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1298.11ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 46.6MB in the end (delta: 8.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 103.27ms. Allocated memory is still 117.4MB. Free memory was 46.6MB in the beginning and 42.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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 3 procedures, 135 locations, 11 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 20 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.3s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:38:07,361 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