./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.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/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.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', 'e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce'] 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/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.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 e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:26:31,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:26:31,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:26:31,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:26:31,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:26:31,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:26:31,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:26:31,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:26:31,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:26:31,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:26:31,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:26:31,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:26:31,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:26:31,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:26:31,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:26:31,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:26:31,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:26:31,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:26:31,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:26:31,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:26:31,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:26:31,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:26:31,596 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:26:31,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:26:31,596 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:26:31,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:26:31,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:26:31,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:26:31,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:26:31,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:26:31,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:26:31,598 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 -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce [2024-11-07 15:26:31,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:26:31,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:26:31,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:26:31,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:26:31,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:26:31,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-07 15:26:33,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:26:33,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:26:33,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-07 15:26:33,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/155342d6c/19999d6f3e604decbf53d882b0ade242/FLAG110bc4243 [2024-11-07 15:26:33,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/155342d6c/19999d6f3e604decbf53d882b0ade242 [2024-11-07 15:26:33,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:26:33,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:26:33,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:26:33,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:26:33,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:26:33,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:33,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c612c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33, skipping insertion in model container [2024-11-07 15:26:33,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:33,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:26:33,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:26:33,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:26:33,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:26:33,960 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:26:33,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33 WrapperNode [2024-11-07 15:26:33,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:26:33,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:26:33,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:26:33,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:26:33,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:33,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,009 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2024-11-07 15:26:34,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:26:34,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:26:34,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:26:34,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:26:34,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:26:34,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:26:34,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:26:34,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:26:34,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (1/1) ... [2024-11-07 15:26:34,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:26:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:26:34,093 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 15:26:34,096 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 15:26:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 15:26:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:26:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 15:26:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 15:26:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 15:26:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 15:26:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 15:26:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 15:26:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:26:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 15:26:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:26:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:26:34,121 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 15:26:34,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:26:34,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:26:34,490 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:26:34,490 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:26:34,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:26:34,638 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:26:34,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:26:34 BoogieIcfgContainer [2024-11-07 15:26:34,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:26:34,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:26:34,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:26:34,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:26:34,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:26:33" (1/3) ... [2024-11-07 15:26:34,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e15cf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:26:34, skipping insertion in model container [2024-11-07 15:26:34,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:26:33" (2/3) ... [2024-11-07 15:26:34,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e15cf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:26:34, skipping insertion in model container [2024-11-07 15:26:34,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:26:34" (3/3) ... [2024-11-07 15:26:34,650 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-07 15:26:34,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:26:34,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-07 15:26:34,663 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:26:34,726 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:26:34,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 236 flow [2024-11-07 15:26:34,817 INFO L124 PetriNetUnfolderBase]: 3/109 cut-off events. [2024-11-07 15:26:34,819 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:26:34,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 3/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2024-11-07 15:26:34,826 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 112 transitions, 236 flow [2024-11-07 15:26:34,829 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 109 transitions, 227 flow [2024-11-07 15:26:34,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:26:34,850 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;@bdb76af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:26:34,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-07 15:26:34,857 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:26:34,857 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-07 15:26:34,857 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:26:34,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:26:34,858 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] [2024-11-07 15:26:34,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:26:34,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:26:34,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1539257758, now seen corresponding path program 1 times [2024-11-07 15:26:34,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:26:34,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625900855] [2024-11-07 15:26:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:26:34,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:26:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:26:35,031 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 15:26:35,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:26:35,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625900855] [2024-11-07 15:26:35,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625900855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:26:35,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:26:35,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 15:26:35,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123524619] [2024-11-07 15:26:35,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:26:35,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 15:26:35,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:26:35,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 15:26:35,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 15:26:35,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 112 [2024-11-07 15:26:35,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 109 transitions, 227 flow. Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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 15:26:35,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:26:35,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 112 [2024-11-07 15:26:35,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:26:35,293 INFO L124 PetriNetUnfolderBase]: 292/714 cut-off events. [2024-11-07 15:26:35,293 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-07 15:26:35,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 714 events. 292/714 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4211 event pairs, 292 based on Foata normal form. 67/724 useless extension candidates. Maximal degree in co-relation 1189. Up to 457 conditions per place. [2024-11-07 15:26:35,308 INFO L140 encePairwiseOnDemand]: 90/112 looper letters, 13 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2024-11-07 15:26:35,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 85 transitions, 205 flow [2024-11-07 15:26:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 15:26:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-07 15:26:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 187 transitions. [2024-11-07 15:26:35,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8348214285714286 [2024-11-07 15:26:35,322 INFO L175 Difference]: Start difference. First operand has 116 places, 109 transitions, 227 flow. Second operand 2 states and 187 transitions. [2024-11-07 15:26:35,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 85 transitions, 205 flow [2024-11-07 15:26:35,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 85 transitions, 202 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 15:26:35,330 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 176 flow [2024-11-07 15:26:35,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=176, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-11-07 15:26:35,337 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -23 predicate places. [2024-11-07 15:26:35,337 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 176 flow [2024-11-07 15:26:35,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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 15:26:35,338 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:26:35,338 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] [2024-11-07 15:26:35,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:26:35,338 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:26:35,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:26:35,339 INFO L85 PathProgramCache]: Analyzing trace with hash -331308647, now seen corresponding path program 1 times [2024-11-07 15:26:35,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:26:35,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478039382] [2024-11-07 15:26:35,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:26:35,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:26:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:26:35,481 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 15:26:35,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:26:35,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478039382] [2024-11-07 15:26:35,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478039382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:26:35,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:26:35,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:26:35,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188093305] [2024-11-07 15:26:35,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:26:35,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:26:35,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:26:35,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:26:35,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:26:35,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 112 [2024-11-07 15:26:35,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 15:26:35,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:26:35,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 112 [2024-11-07 15:26:35,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:26:35,783 INFO L124 PetriNetUnfolderBase]: 500/2080 cut-off events. [2024-11-07 15:26:35,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:26:35,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2885 conditions, 2080 events. 500/2080 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 17575 event pairs, 188 based on Foata normal form. 0/1920 useless extension candidates. Maximal degree in co-relation 2882. Up to 456 conditions per place. [2024-11-07 15:26:35,801 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 22 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2024-11-07 15:26:35,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 236 flow [2024-11-07 15:26:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:26:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:26:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2024-11-07 15:26:35,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7232142857142857 [2024-11-07 15:26:35,805 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 176 flow. Second operand 3 states and 243 transitions. [2024-11-07 15:26:35,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 236 flow [2024-11-07 15:26:35,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 236 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:26:35,810 INFO L231 Difference]: Finished difference. Result has 94 places, 84 transitions, 176 flow [2024-11-07 15:26:35,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=94, PETRI_TRANSITIONS=84} [2024-11-07 15:26:35,811 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -22 predicate places. [2024-11-07 15:26:35,811 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 84 transitions, 176 flow [2024-11-07 15:26:35,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 15:26:35,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:26:35,812 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] [2024-11-07 15:26:35,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:26:35,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:26:35,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:26:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash -40240973, now seen corresponding path program 1 times [2024-11-07 15:26:35,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:26:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871415704] [2024-11-07 15:26:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:26:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:26:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:26:35,928 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 15:26:35,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:26:35,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871415704] [2024-11-07 15:26:35,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871415704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:26:35,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:26:35,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:26:35,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223986322] [2024-11-07 15:26:35,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:26:35,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:26:35,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:26:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:26:35,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:26:35,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 112 [2024-11-07 15:26:35,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 84 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 15:26:35,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:26:35,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 112 [2024-11-07 15:26:35,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:26:36,147 INFO L124 PetriNetUnfolderBase]: 500/1625 cut-off events. [2024-11-07 15:26:36,148 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:26:36,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2432 conditions, 1625 events. 500/1625 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 12474 event pairs, 292 based on Foata normal form. 0/1523 useless extension candidates. Maximal degree in co-relation 2428. Up to 457 conditions per place. [2024-11-07 15:26:36,155 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions. [2024-11-07 15:26:36,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 91 transitions, 236 flow [2024-11-07 15:26:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:26:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:26:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2024-11-07 15:26:36,157 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7232142857142857 [2024-11-07 15:26:36,157 INFO L175 Difference]: Start difference. First operand has 94 places, 84 transitions, 176 flow. Second operand 3 states and 243 transitions. [2024-11-07 15:26:36,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 91 transitions, 236 flow [2024-11-07 15:26:36,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 235 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:26:36,159 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2024-11-07 15:26:36,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2024-11-07 15:26:36,159 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -22 predicate places. [2024-11-07 15:26:36,160 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2024-11-07 15:26:36,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 15:26:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-11-07 15:26:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-07 15:26:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-07 15:26:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-07 15:26:36,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-07 15:26:36,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-07 15:26:36,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-07 15:26:36,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-07 15:26:36,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-07 15:26:36,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-07 15:26:36,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-07 15:26:36,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-07 15:26:36,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-07 15:26:36,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-07 15:26:36,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-07 15:26:36,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-07 15:26:36,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-07 15:26:36,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:26:36,174 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-07 15:26:36,180 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:26:36,180 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:26:36,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:26:36 BasicIcfg [2024-11-07 15:26:36,187 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:26:36,188 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:26:36,188 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:26:36,188 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:26:36,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:26:34" (3/4) ... [2024-11-07 15:26:36,190 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:26:36,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-07 15:26:36,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-07 15:26:36,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-07 15:26:36,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-07 15:26:36,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:26:36,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 15:26:36,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:26:36,265 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:26:36,266 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:26:36,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:26:36,267 INFO L158 Benchmark]: Toolchain (without parser) took 2740.07ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.0MB in the beginning and 98.8MB in the end (delta: -8.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-07 15:26:36,267 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:26:36,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.43ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 69.8MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:26:36,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 68.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:26:36,268 INFO L158 Benchmark]: Boogie Preprocessor took 40.43ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:26:36,269 INFO L158 Benchmark]: RCFGBuilder took 585.59ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 85.6MB in the end (delta: -19.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-07 15:26:36,270 INFO L158 Benchmark]: TraceAbstraction took 1546.16ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 85.2MB in the beginning and 103.1MB in the end (delta: -18.0MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. [2024-11-07 15:26:36,270 INFO L158 Benchmark]: Witness Printer took 78.31ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 98.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:26:36,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.43ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 69.8MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 68.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.43ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.59ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 85.6MB in the end (delta: -19.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1546.16ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 85.2MB in the beginning and 103.1MB in the end (delta: -18.0MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. * Witness Printer took 78.31ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 98.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: 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 7 procedures, 149 locations, 37 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: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:26:36,300 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