./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_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_29-multiple-protecting2-vesal_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', 'a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436'] 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_29-multiple-protecting2-vesal_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 a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:37:40,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:37:41,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:37:41,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:37:41,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:37:41,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:37:41,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:37:41,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:37:41,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:37:41,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:37:41,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:37:41,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:37:41,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:37:41,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:37:41,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:37:41,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:37:41,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:37:41,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:37:41,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:37:41,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:37:41,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:37:41,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:37:41,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:37:41,144 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 -> a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 [2024-11-07 15:37:41,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:37:41,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:37:41,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:37:41,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:37:41,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:37:41,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-07 15:37:43,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:37:43,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:37:43,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-07 15:37:43,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb39d9781/07b17ed7d18747698ca25184201463bb/FLAG29d425863 [2024-11-07 15:37:43,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb39d9781/07b17ed7d18747698ca25184201463bb [2024-11-07 15:37:43,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:37:43,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:37:43,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:37:43,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:37:43,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:37:43,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:37:43" (1/1) ... [2024-11-07 15:37:43,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6096268b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:43, skipping insertion in model container [2024-11-07 15:37:43,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:37:43" (1/1) ... [2024-11-07 15:37:43,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:37:44,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:37:44,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:37:44,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:37:44,177 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:37:44,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44 WrapperNode [2024-11-07 15:37:44,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:37:44,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:37:44,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:37:44,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:37:44,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,239 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 94 [2024-11-07 15:37:44,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:37:44,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:37:44,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:37:44,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:37:44,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:37:44,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:37:44,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:37:44,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:37:44,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (1/1) ... [2024-11-07 15:37:44,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:37:44,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:37:44,335 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 15:37:44,350 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 15:37:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-07 15:37:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-07 15:37:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:37:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:37:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:37:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:37:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:37:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:37:44,378 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 15:37:44,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:37:44,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:37:44,835 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:37:44,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:37:44,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:37:44,875 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:37:44,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:37:44 BoogieIcfgContainer [2024-11-07 15:37:44,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:37:44,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:37:44,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:37:44,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:37:44,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:37:43" (1/3) ... [2024-11-07 15:37:44,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfef35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:37:44, skipping insertion in model container [2024-11-07 15:37:44,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:44" (2/3) ... [2024-11-07 15:37:44,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfef35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:37:44, skipping insertion in model container [2024-11-07 15:37:44,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:37:44" (3/3) ... [2024-11-07 15:37:44,884 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-07 15:37:44,897 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:37:44,897 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-07 15:37:44,897 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:37:44,976 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 15:37:45,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 144 transitions, 295 flow [2024-11-07 15:37:45,096 INFO L124 PetriNetUnfolderBase]: 6/143 cut-off events. [2024-11-07 15:37:45,098 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:37:45,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 143 events. 6/143 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 153 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-11-07 15:37:45,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 144 transitions, 295 flow [2024-11-07 15:37:45,108 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 138 transitions, 279 flow [2024-11-07 15:37:45,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:37:45,127 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;@6efcea8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:37:45,127 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-07 15:37:45,140 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:37:45,141 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-07 15:37:45,141 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:37:45,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:45,142 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:37:45,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:37:45,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:45,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1409999796, now seen corresponding path program 1 times [2024-11-07 15:37:45,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:45,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498388174] [2024-11-07 15:37:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:45,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:45,476 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 15:37:45,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:45,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498388174] [2024-11-07 15:37:45,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498388174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:45,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:45,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:37:45,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749172610] [2024-11-07 15:37:45,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:45,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:45,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:45,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:45,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 144 [2024-11-07 15:37:45,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 138 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 15:37:45,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:45,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 144 [2024-11-07 15:37:45,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:45,870 INFO L124 PetriNetUnfolderBase]: 237/1221 cut-off events. [2024-11-07 15:37:45,871 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:37:45,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 1221 events. 237/1221 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8070 event pairs, 62 based on Foata normal form. 106/1227 useless extension candidates. Maximal degree in co-relation 1713. Up to 344 conditions per place. [2024-11-07 15:37:45,886 INFO L140 encePairwiseOnDemand]: 123/144 looper letters, 40 selfloop transitions, 10 changer transitions 2/146 dead transitions. [2024-11-07 15:37:45,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 146 transitions, 399 flow [2024-11-07 15:37:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2024-11-07 15:37:45,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8680555555555556 [2024-11-07 15:37:45,906 INFO L175 Difference]: Start difference. First operand has 136 places, 138 transitions, 279 flow. Second operand 3 states and 375 transitions. [2024-11-07 15:37:45,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 146 transitions, 399 flow [2024-11-07 15:37:45,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 146 transitions, 398 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:37:45,924 INFO L231 Difference]: Finished difference. Result has 131 places, 132 transitions, 328 flow [2024-11-07 15:37:45,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=131, PETRI_TRANSITIONS=132} [2024-11-07 15:37:45,935 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -5 predicate places. [2024-11-07 15:37:45,935 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 132 transitions, 328 flow [2024-11-07 15:37:45,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 15:37:45,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:45,936 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] [2024-11-07 15:37:45,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:37:45,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:37:45,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:45,937 INFO L85 PathProgramCache]: Analyzing trace with hash -439297328, now seen corresponding path program 1 times [2024-11-07 15:37:45,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:45,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354439862] [2024-11-07 15:37:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:45,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:46,016 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 15:37:46,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:46,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354439862] [2024-11-07 15:37:46,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354439862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:46,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:46,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:37:46,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915788471] [2024-11-07 15:37:46,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:46,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:46,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:46,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:46,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:46,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 144 [2024-11-07 15:37:46,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 132 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 15:37:46,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:46,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 144 [2024-11-07 15:37:46,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:46,325 INFO L124 PetriNetUnfolderBase]: 252/1241 cut-off events. [2024-11-07 15:37:46,325 INFO L125 PetriNetUnfolderBase]: For 283/292 co-relation queries the response was YES. [2024-11-07 15:37:46,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2065 conditions, 1241 events. 252/1241 cut-off events. For 283/292 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8258 event pairs, 144 based on Foata normal form. 3/1125 useless extension candidates. Maximal degree in co-relation 2023. Up to 466 conditions per place. [2024-11-07 15:37:46,330 INFO L140 encePairwiseOnDemand]: 137/144 looper letters, 38 selfloop transitions, 8 changer transitions 0/147 dead transitions. [2024-11-07 15:37:46,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 147 transitions, 466 flow [2024-11-07 15:37:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:46,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-07 15:37:46,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8425925925925926 [2024-11-07 15:37:46,332 INFO L175 Difference]: Start difference. First operand has 131 places, 132 transitions, 328 flow. Second operand 3 states and 364 transitions. [2024-11-07 15:37:46,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 147 transitions, 466 flow [2024-11-07 15:37:46,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 147 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:37:46,336 INFO L231 Difference]: Finished difference. Result has 133 places, 139 transitions, 380 flow [2024-11-07 15:37:46,336 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=133, PETRI_TRANSITIONS=139} [2024-11-07 15:37:46,336 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -3 predicate places. [2024-11-07 15:37:46,336 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 139 transitions, 380 flow [2024-11-07 15:37:46,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 15:37:46,337 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:46,337 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:37:46,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:37:46,337 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:37:46,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:46,338 INFO L85 PathProgramCache]: Analyzing trace with hash 732687285, now seen corresponding path program 1 times [2024-11-07 15:37:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:46,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453838106] [2024-11-07 15:37:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:46,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:46,777 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 15:37:46,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:46,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453838106] [2024-11-07 15:37:46,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453838106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:46,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:46,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 15:37:46,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13119829] [2024-11-07 15:37:46,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:46,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:37:46,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:46,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:37:46,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:37:46,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 144 [2024-11-07 15:37:46,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 139 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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 15:37:46,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:46,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 144 [2024-11-07 15:37:46,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:46,988 INFO L124 PetriNetUnfolderBase]: 46/564 cut-off events. [2024-11-07 15:37:46,988 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-07 15:37:46,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 564 events. 46/564 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2546 event pairs, 23 based on Foata normal form. 10/552 useless extension candidates. Maximal degree in co-relation 770. Up to 79 conditions per place. [2024-11-07 15:37:46,993 INFO L140 encePairwiseOnDemand]: 133/144 looper letters, 11 selfloop transitions, 10 changer transitions 8/131 dead transitions. [2024-11-07 15:37:46,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 131 transitions, 358 flow [2024-11-07 15:37:46,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:37:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 15:37:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 614 transitions. [2024-11-07 15:37:46,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8527777777777777 [2024-11-07 15:37:46,997 INFO L175 Difference]: Start difference. First operand has 133 places, 139 transitions, 380 flow. Second operand 5 states and 614 transitions. [2024-11-07 15:37:46,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 131 transitions, 358 flow [2024-11-07 15:37:46,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 332 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-07 15:37:47,001 INFO L231 Difference]: Finished difference. Result has 130 places, 119 transitions, 290 flow [2024-11-07 15:37:47,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=290, PETRI_PLACES=130, PETRI_TRANSITIONS=119} [2024-11-07 15:37:47,002 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -6 predicate places. [2024-11-07 15:37:47,002 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 119 transitions, 290 flow [2024-11-07 15:37:47,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 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 15:37:47,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:47,002 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:37:47,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:37:47,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-07 15:37:47,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:47,003 INFO L85 PathProgramCache]: Analyzing trace with hash -6644042, now seen corresponding path program 1 times [2024-11-07 15:37:47,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:47,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203479644] [2024-11-07 15:37:47,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:47,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:47,052 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 15:37:47,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:47,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203479644] [2024-11-07 15:37:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203479644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:47,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:47,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:37:47,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765075018] [2024-11-07 15:37:47,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:47,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:47,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:47,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:47,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:47,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 144 [2024-11-07 15:37:47,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 119 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 15:37:47,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:47,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 144 [2024-11-07 15:37:47,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:47,141 INFO L124 PetriNetUnfolderBase]: 59/416 cut-off events. [2024-11-07 15:37:47,142 INFO L125 PetriNetUnfolderBase]: For 126/128 co-relation queries the response was YES. [2024-11-07 15:37:47,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 416 events. 59/416 cut-off events. For 126/128 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1525 event pairs, 43 based on Foata normal form. 0/405 useless extension candidates. Maximal degree in co-relation 681. Up to 156 conditions per place. [2024-11-07 15:37:47,143 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2024-11-07 15:37:47,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 122 transitions, 363 flow [2024-11-07 15:37:47,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2024-11-07 15:37:47,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2024-11-07 15:37:47,144 INFO L175 Difference]: Start difference. First operand has 130 places, 119 transitions, 290 flow. Second operand 3 states and 352 transitions. [2024-11-07 15:37:47,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 122 transitions, 363 flow [2024-11-07 15:37:47,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 122 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:37:47,146 INFO L231 Difference]: Finished difference. Result has 123 places, 0 transitions, 0 flow [2024-11-07 15:37:47,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=123, PETRI_TRANSITIONS=0} [2024-11-07 15:37:47,147 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -13 predicate places. [2024-11-07 15:37:47,147 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 0 transitions, 0 flow [2024-11-07 15:37:47,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 15:37:47,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-07 15:37:47,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-07 15:37:47,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:37:47,151 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-07 15:37:47,155 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:37:47,155 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:37:47,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:37:47 BasicIcfg [2024-11-07 15:37:47,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:37:47,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:37:47,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:37:47,159 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:37:47,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:37:44" (3/4) ... [2024-11-07 15:37:47,161 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:37:47,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-07 15:37:47,170 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-07 15:37:47,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:37:47,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 15:37:47,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:37:47,271 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:37:47,271 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:37:47,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:37:47,272 INFO L158 Benchmark]: Toolchain (without parser) took 3666.60ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 50.0MB in the end (delta: 66.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-07 15:37:47,272 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:37:47,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.98ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 96.7MB in the end (delta: 19.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:47,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.65ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 94.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:47,273 INFO L158 Benchmark]: Boogie Preprocessor took 31.04ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.9MB in the end (delta: 981.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:37:47,273 INFO L158 Benchmark]: RCFGBuilder took 602.59ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 75.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:37:47,274 INFO L158 Benchmark]: TraceAbstraction took 2280.63ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 54.9MB in the end (delta: 19.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-07 15:37:47,274 INFO L158 Benchmark]: Witness Printer took 112.40ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 50.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:47,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.98ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 96.7MB in the end (delta: 19.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.65ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 94.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.04ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.9MB in the end (delta: 981.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.59ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 75.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2280.63ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 54.9MB in the end (delta: 19.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Witness Printer took 112.40ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 50.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. 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: 688]: 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 - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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, 178 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 326 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 23 mSDtfsCounter, 326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 0.7s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:37:47,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE