./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_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_38-traces-ex-4-switch_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', '6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40'] 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_38-traces-ex-4-switch_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 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:37:51,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:37:51,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:37:51,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:37:51,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:37:51,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:37:51,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:37:51,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:37:51,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:37:51,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:37:51,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:37:51,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:37:51,325 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:37:51,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:37:51,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:37:51,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:37:51,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:37:51,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:37:51,330 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 -> 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 [2024-11-07 15:37:51,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:37:51,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:37:51,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:37:51,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:37:51,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:37:51,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2024-11-07 15:37:53,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:37:53,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:37:53,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2024-11-07 15:37:53,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c7c532b21/e97cf04365234893ac8b87ba0767a076/FLAG781e5951d [2024-11-07 15:37:53,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c7c532b21/e97cf04365234893ac8b87ba0767a076 [2024-11-07 15:37:53,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:37:53,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:37:53,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:37:53,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:37:53,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:37:53,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:37:53" (1/1) ... [2024-11-07 15:37:53,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cbe41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:53, skipping insertion in model container [2024-11-07 15:37:53,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:37:53" (1/1) ... [2024-11-07 15:37:53,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:37:54,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:37:54,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:37:54,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:37:54,342 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:37:54,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54 WrapperNode [2024-11-07 15:37:54,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:37:54,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:37:54,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:37:54,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:37:54,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,393 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-07 15:37:54,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:37:54,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:37:54,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:37:54,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:37:54,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:37:54,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:37:54,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:37:54,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:37:54,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (1/1) ... [2024-11-07 15:37:54,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:37:54,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:37:54,504 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 15:37:54,515 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 15:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:37:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:37:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:37:54,544 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 15:37:54,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:37:54,678 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:37:54,913 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:37:54,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:37:54,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:37:54,957 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:37:54,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:37:54 BoogieIcfgContainer [2024-11-07 15:37:54,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:37:54,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:37:54,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:37:54,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:37:54,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:37:53" (1/3) ... [2024-11-07 15:37:54,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5677f8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:37:54, skipping insertion in model container [2024-11-07 15:37:54,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:37:54" (2/3) ... [2024-11-07 15:37:54,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5677f8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:37:54, skipping insertion in model container [2024-11-07 15:37:54,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:37:54" (3/3) ... [2024-11-07 15:37:54,971 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2024-11-07 15:37:54,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:37:54,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-07 15:37:54,990 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:37:55,070 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:37:55,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 86 transitions, 176 flow [2024-11-07 15:37:55,186 INFO L124 PetriNetUnfolderBase]: 2/85 cut-off events. [2024-11-07 15:37:55,192 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:37:55,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 2/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-11-07 15:37:55,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 86 transitions, 176 flow [2024-11-07 15:37:55,202 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 85 transitions, 173 flow [2024-11-07 15:37:55,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:37:55,229 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;@4b4eaa0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:37:55,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 15:37:55,252 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:37:55,253 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-07 15:37:55,253 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:37:55,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:55,253 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] [2024-11-07 15:37:55,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:37:55,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:55,260 INFO L85 PathProgramCache]: Analyzing trace with hash -433812595, now seen corresponding path program 1 times [2024-11-07 15:37:55,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:55,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476942896] [2024-11-07 15:37:55,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:55,554 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 15:37:55,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:55,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476942896] [2024-11-07 15:37:55,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476942896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:55,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:55,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:37:55,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921830689] [2024-11-07 15:37:55,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:55,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:55,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:55,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:55,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:55,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 86 [2024-11-07 15:37:55,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 15:37:55,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:55,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 86 [2024-11-07 15:37:55,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:55,909 INFO L124 PetriNetUnfolderBase]: 67/437 cut-off events. [2024-11-07 15:37:55,911 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:37:55,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 437 events. 67/437 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2346 event pairs, 20 based on Foata normal form. 30/433 useless extension candidates. Maximal degree in co-relation 568. Up to 95 conditions per place. [2024-11-07 15:37:55,915 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 21 selfloop transitions, 4 changer transitions 2/92 dead transitions. [2024-11-07 15:37:55,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 92 transitions, 241 flow [2024-11-07 15:37:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2024-11-07 15:37:55,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9031007751937985 [2024-11-07 15:37:55,928 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 173 flow. Second operand 3 states and 233 transitions. [2024-11-07 15:37:55,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 92 transitions, 241 flow [2024-11-07 15:37:55,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 92 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:37:55,935 INFO L231 Difference]: Finished difference. Result has 88 places, 84 transitions, 194 flow [2024-11-07 15:37:55,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=88, PETRI_TRANSITIONS=84} [2024-11-07 15:37:55,945 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2024-11-07 15:37:55,945 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 84 transitions, 194 flow [2024-11-07 15:37:55,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 15:37:55,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:55,946 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] [2024-11-07 15:37:55,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:37:55,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:37:55,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:55,946 INFO L85 PathProgramCache]: Analyzing trace with hash -766188100, now seen corresponding path program 1 times [2024-11-07 15:37:55,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:55,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446946559] [2024-11-07 15:37:55,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:55,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:56,048 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 15:37:56,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446946559] [2024-11-07 15:37:56,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446946559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:56,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:56,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:37:56,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769935280] [2024-11-07 15:37:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:56,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:56,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:56,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:56,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:56,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 86 [2024-11-07 15:37:56,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 84 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 15:37:56,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:56,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 86 [2024-11-07 15:37:56,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:56,201 INFO L124 PetriNetUnfolderBase]: 82/463 cut-off events. [2024-11-07 15:37:56,202 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-07 15:37:56,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 463 events. 82/463 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2599 event pairs, 55 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 693. Up to 162 conditions per place. [2024-11-07 15:37:56,207 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 22 selfloop transitions, 5 changer transitions 0/91 dead transitions. [2024-11-07 15:37:56,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 91 transitions, 266 flow [2024-11-07 15:37:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2024-11-07 15:37:56,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8565891472868217 [2024-11-07 15:37:56,209 INFO L175 Difference]: Start difference. First operand has 88 places, 84 transitions, 194 flow. Second operand 3 states and 221 transitions. [2024-11-07 15:37:56,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 91 transitions, 266 flow [2024-11-07 15:37:56,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 91 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:37:56,213 INFO L231 Difference]: Finished difference. Result has 90 places, 87 transitions, 222 flow [2024-11-07 15:37:56,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=90, PETRI_TRANSITIONS=87} [2024-11-07 15:37:56,214 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2024-11-07 15:37:56,215 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 87 transitions, 222 flow [2024-11-07 15:37:56,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 15:37:56,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:56,215 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] [2024-11-07 15:37:56,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:37:56,215 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:37:56,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2104348791, now seen corresponding path program 1 times [2024-11-07 15:37:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:56,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530407389] [2024-11-07 15:37:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:56,378 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 15:37:56,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:56,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530407389] [2024-11-07 15:37:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530407389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:56,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:37:56,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430647658] [2024-11-07 15:37:56,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:56,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:56,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:56,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:56,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 86 [2024-11-07 15:37:56,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 15:37:56,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:56,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 86 [2024-11-07 15:37:56,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:56,525 INFO L124 PetriNetUnfolderBase]: 27/323 cut-off events. [2024-11-07 15:37:56,526 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-07 15:37:56,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 323 events. 27/323 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1511 event pairs, 14 based on Foata normal form. 3/313 useless extension candidates. Maximal degree in co-relation 421. Up to 63 conditions per place. [2024-11-07 15:37:56,554 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 11 selfloop transitions, 6 changer transitions 3/91 dead transitions. [2024-11-07 15:37:56,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 91 transitions, 256 flow [2024-11-07 15:37:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2024-11-07 15:37:56,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9108527131782945 [2024-11-07 15:37:56,561 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 222 flow. Second operand 3 states and 235 transitions. [2024-11-07 15:37:56,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 91 transitions, 256 flow [2024-11-07 15:37:56,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 91 transitions, 240 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-07 15:37:56,571 INFO L231 Difference]: Finished difference. Result has 88 places, 85 transitions, 212 flow [2024-11-07 15:37:56,571 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2024-11-07 15:37:56,572 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2024-11-07 15:37:56,572 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 212 flow [2024-11-07 15:37:56,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 15:37:56,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:56,572 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] [2024-11-07 15:37:56,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:37:56,573 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:37:56,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:56,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1218344142, now seen corresponding path program 1 times [2024-11-07 15:37:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:56,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740644087] [2024-11-07 15:37:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:56,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:56,697 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 15:37:56,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:56,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740644087] [2024-11-07 15:37:56,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740644087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:56,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:56,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:37:56,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799872065] [2024-11-07 15:37:56,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:56,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:37:56,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:56,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:37:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:37:56,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 86 [2024-11-07 15:37:56,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 15:37:56,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:56,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 86 [2024-11-07 15:37:56,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:56,858 INFO L124 PetriNetUnfolderBase]: 50/372 cut-off events. [2024-11-07 15:37:56,858 INFO L125 PetriNetUnfolderBase]: For 83/88 co-relation queries the response was YES. [2024-11-07 15:37:56,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 372 events. 50/372 cut-off events. For 83/88 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1894 event pairs, 29 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 600. Up to 108 conditions per place. [2024-11-07 15:37:56,860 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 18 selfloop transitions, 4 changer transitions 8/92 dead transitions. [2024-11-07 15:37:56,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 92 transitions, 294 flow [2024-11-07 15:37:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:37:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:37:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2024-11-07 15:37:56,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8565891472868217 [2024-11-07 15:37:56,862 INFO L175 Difference]: Start difference. First operand has 88 places, 85 transitions, 212 flow. Second operand 3 states and 221 transitions. [2024-11-07 15:37:56,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 92 transitions, 294 flow [2024-11-07 15:37:56,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 92 transitions, 284 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-07 15:37:56,865 INFO L231 Difference]: Finished difference. Result has 91 places, 82 transitions, 214 flow [2024-11-07 15:37:56,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=91, PETRI_TRANSITIONS=82} [2024-11-07 15:37:56,866 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 4 predicate places. [2024-11-07 15:37:56,866 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 82 transitions, 214 flow [2024-11-07 15:37:56,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 15:37:56,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:56,867 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] [2024-11-07 15:37:56,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:37:56,867 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:37:56,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1939439309, now seen corresponding path program 1 times [2024-11-07 15:37:56,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:56,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278831112] [2024-11-07 15:37:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:57,232 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 15:37:57,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:57,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278831112] [2024-11-07 15:37:57,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278831112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:57,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:37:57,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:37:57,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615373835] [2024-11-07 15:37:57,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:57,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 15:37:57,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:57,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 15:37:57,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 15:37:57,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 86 [2024-11-07 15:37:57,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 82 transitions, 214 flow. Second operand has 5 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 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 15:37:57,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:57,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 86 [2024-11-07 15:37:57,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:57,405 INFO L124 PetriNetUnfolderBase]: 2/125 cut-off events. [2024-11-07 15:37:57,405 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-07 15:37:57,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 125 events. 2/125 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 211 event pairs, 0 based on Foata normal form. 5/128 useless extension candidates. Maximal degree in co-relation 161. Up to 13 conditions per place. [2024-11-07 15:37:57,406 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2024-11-07 15:37:57,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 75 transitions, 218 flow [2024-11-07 15:37:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:37:57,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 15:37:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 366 transitions. [2024-11-07 15:37:57,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8511627906976744 [2024-11-07 15:37:57,408 INFO L175 Difference]: Start difference. First operand has 91 places, 82 transitions, 214 flow. Second operand 5 states and 366 transitions. [2024-11-07 15:37:57,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 75 transitions, 218 flow [2024-11-07 15:37:57,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 195 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-07 15:37:57,409 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2024-11-07 15:37:57,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2024-11-07 15:37:57,409 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -5 predicate places. [2024-11-07 15:37:57,409 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2024-11-07 15:37:57,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 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 15:37:57,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-07 15:37:57,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-11-07 15:37:57,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-07 15:37:57,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-07 15:37:57,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-07 15:37:57,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-07 15:37:57,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:37:57,427 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-07 15:37:57,431 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:37:57,436 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:37:57,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:37:57 BasicIcfg [2024-11-07 15:37:57,440 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:37:57,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:37:57,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:37:57,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:37:57,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:37:54" (3/4) ... [2024-11-07 15:37:57,449 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:37:57,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-07 15:37:57,458 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-07 15:37:57,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:37:57,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 15:37:57,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:37:57,543 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:37:57,544 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:37:57,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:37:57,550 INFO L158 Benchmark]: Toolchain (without parser) took 3627.00ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 44.4MB in the end (delta: 71.3MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:57,554 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:37:57,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.90ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 96.1MB in the end (delta: 19.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:57,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.70ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:57,555 INFO L158 Benchmark]: Boogie Preprocessor took 44.62ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.6MB in the end (delta: 925.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:37:57,556 INFO L158 Benchmark]: RCFGBuilder took 514.43ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 78.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:37:57,556 INFO L158 Benchmark]: TraceAbstraction took 2480.78ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 48.5MB in the end (delta: 28.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-07 15:37:57,557 INFO L158 Benchmark]: Witness Printer took 105.62ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 44.4MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:37:57,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.90ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 96.1MB in the end (delta: 19.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.70ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.62ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.6MB in the end (delta: 925.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.43ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 78.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2480.78ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 48.5MB in the end (delta: 28.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 105.62ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 44.4MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 114 locations, 6 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: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 10 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 0.8s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:37:57,580 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