./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.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', '6fea91513c96246b75c49fa902e51d33d0640cbe9a02143a9b8a08050c0f0b4f'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.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 6fea91513c96246b75c49fa902e51d33d0640cbe9a02143a9b8a08050c0f0b4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:47:08,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:47:08,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:47:08,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:47:08,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:47:08,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:47:08,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:47:08,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:47:08,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:47:08,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:47:08,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:47:08,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:47:08,580 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:47:08,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:47:08,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:47:08,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:47:08,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:47:08,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:47:08,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:47:08,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:47:08,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:47:08,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:47:08,584 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 -> 6fea91513c96246b75c49fa902e51d33d0640cbe9a02143a9b8a08050c0f0b4f [2024-11-07 15:47:08,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:47:08,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:47:08,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:47:08,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:47:08,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:47:08,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.i [2024-11-07 15:47:10,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:47:10,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:47:10,464 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.i [2024-11-07 15:47:10,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ed294542/69d05f9373f0464fa63dbd4414aa0d9d/FLAG4733fedef [2024-11-07 15:47:10,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ed294542/69d05f9373f0464fa63dbd4414aa0d9d [2024-11-07 15:47:10,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:47:10,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:47:10,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:47:10,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:47:10,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:47:10,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:47:10" (1/1) ... [2024-11-07 15:47:10,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd7cf02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:10, skipping insertion in model container [2024-11-07 15:47:10,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:47:10" (1/1) ... [2024-11-07 15:47:10,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:47:10,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:47:10,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:47:10,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:47:11,034 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:47:11,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11 WrapperNode [2024-11-07 15:47:11,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:47:11,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:47:11,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:47:11,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:47:11,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,093 INFO L138 Inliner]: procedures = 262, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-07 15:47:11,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:47:11,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:47:11,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:47:11,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:47:11,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:47:11,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:47:11,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:47:11,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:47:11,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (1/1) ... [2024-11-07 15:47:11,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:47:11,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:47:11,182 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 15:47:11,186 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 15:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-07 15:47:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-07 15:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:47:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:47:11,211 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 15:47:11,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:47:11,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:47:11,563 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:47:11,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:47:11,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:47:11,576 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 15:47:11,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:47:11 BoogieIcfgContainer [2024-11-07 15:47:11,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:47:11,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:47:11,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:47:11,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:47:11,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:47:10" (1/3) ... [2024-11-07 15:47:11,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa080e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:47:11, skipping insertion in model container [2024-11-07 15:47:11,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:47:11" (2/3) ... [2024-11-07 15:47:11,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa080e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:47:11, skipping insertion in model container [2024-11-07 15:47:11,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:47:11" (3/3) ... [2024-11-07 15:47:11,589 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-init-race.i [2024-11-07 15:47:11,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:47:11,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 15:47:11,603 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:47:11,652 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 15:47:11,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 93 transitions, 193 flow [2024-11-07 15:47:11,740 INFO L124 PetriNetUnfolderBase]: 6/125 cut-off events. [2024-11-07 15:47:11,742 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:47:11,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 6/125 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2024-11-07 15:47:11,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 93 transitions, 193 flow [2024-11-07 15:47:11,751 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 93 transitions, 193 flow [2024-11-07 15:47:11,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:47:11,770 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;@5075527d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:47:11,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 15:47:11,791 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:47:11,793 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-11-07 15:47:11,793 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:47:11,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:47:11,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:47:11,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:47:11,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:47:11,800 INFO L85 PathProgramCache]: Analyzing trace with hash -367491366, now seen corresponding path program 1 times [2024-11-07 15:47:11,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:47:11,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334638095] [2024-11-07 15:47:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:47:11,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:47:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:47:12,624 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 15:47:12,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:47:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334638095] [2024-11-07 15:47:12,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334638095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:47:12,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:47:12,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:47:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956664229] [2024-11-07 15:47:12,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:47:12,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:47:12,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:47:12,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:47:12,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:47:12,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 93 [2024-11-07 15:47:12,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 93 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 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 15:47:12,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:47:12,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 93 [2024-11-07 15:47:12,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:47:13,146 INFO L124 PetriNetUnfolderBase]: 87/434 cut-off events. [2024-11-07 15:47:13,148 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 15:47:13,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 434 events. 87/434 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2103 event pairs, 51 based on Foata normal form. 13/411 useless extension candidates. Maximal degree in co-relation 573. Up to 187 conditions per place. [2024-11-07 15:47:13,153 INFO L140 encePairwiseOnDemand]: 79/93 looper letters, 27 selfloop transitions, 22 changer transitions 1/111 dead transitions. [2024-11-07 15:47:13,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 111 transitions, 327 flow [2024-11-07 15:47:13,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:47:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:47:13,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 425 transitions. [2024-11-07 15:47:13,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7616487455197133 [2024-11-07 15:47:13,173 INFO L175 Difference]: Start difference. First operand has 92 places, 93 transitions, 193 flow. Second operand 6 states and 425 transitions. [2024-11-07 15:47:13,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 111 transitions, 327 flow [2024-11-07 15:47:13,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 111 transitions, 327 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:47:13,184 INFO L231 Difference]: Finished difference. Result has 102 places, 110 transitions, 335 flow [2024-11-07 15:47:13,187 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=335, PETRI_PLACES=102, PETRI_TRANSITIONS=110} [2024-11-07 15:47:13,190 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 10 predicate places. [2024-11-07 15:47:13,190 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 110 transitions, 335 flow [2024-11-07 15:47:13,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 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 15:47:13,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:47:13,191 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:47:13,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:47:13,191 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:47:13,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:47:13,192 INFO L85 PathProgramCache]: Analyzing trace with hash 986559763, now seen corresponding path program 1 times [2024-11-07 15:47:13,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:47:13,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831507612] [2024-11-07 15:47:13,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:47:13,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:47:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:47:13,324 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 15:47:13,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:47:13,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831507612] [2024-11-07 15:47:13,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831507612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:47:13,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:47:13,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:47:13,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129982108] [2024-11-07 15:47:13,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:47:13,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 15:47:13,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:47:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 15:47:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 15:47:13,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-07 15:47:13,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 110 transitions, 335 flow. Second operand has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 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 15:47:13,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:47:13,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-07 15:47:13,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:47:13,527 INFO L124 PetriNetUnfolderBase]: 33/241 cut-off events. [2024-11-07 15:47:13,527 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2024-11-07 15:47:13,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 241 events. 33/241 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 698 event pairs, 0 based on Foata normal form. 1/228 useless extension candidates. Maximal degree in co-relation 310. Up to 45 conditions per place. [2024-11-07 15:47:13,532 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 11 selfloop transitions, 2 changer transitions 5/115 dead transitions. [2024-11-07 15:47:13,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 115 transitions, 381 flow [2024-11-07 15:47:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:47:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:47:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2024-11-07 15:47:13,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8620071684587813 [2024-11-07 15:47:13,539 INFO L175 Difference]: Start difference. First operand has 102 places, 110 transitions, 335 flow. Second operand 6 states and 481 transitions. [2024-11-07 15:47:13,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 115 transitions, 381 flow [2024-11-07 15:47:13,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 115 transitions, 381 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:47:13,546 INFO L231 Difference]: Finished difference. Result has 110 places, 110 transitions, 353 flow [2024-11-07 15:47:13,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=353, PETRI_PLACES=110, PETRI_TRANSITIONS=110} [2024-11-07 15:47:13,547 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 18 predicate places. [2024-11-07 15:47:13,547 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 110 transitions, 353 flow [2024-11-07 15:47:13,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 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 15:47:13,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:47:13,548 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] [2024-11-07 15:47:13,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:47:13,548 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:47:13,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:47:13,549 INFO L85 PathProgramCache]: Analyzing trace with hash 744423912, now seen corresponding path program 1 times [2024-11-07 15:47:13,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:47:13,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661487239] [2024-11-07 15:47:13,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:47:13,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:47:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:47:13,913 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 15:47:13,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:47:13,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661487239] [2024-11-07 15:47:13,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661487239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:47:13,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:47:13,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:47:13,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975372895] [2024-11-07 15:47:13,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:47:13,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:47:13,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:47:13,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:47:13,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:47:14,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 93 [2024-11-07 15:47:14,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 110 transitions, 353 flow. Second operand has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 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 15:47:14,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:47:14,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 93 [2024-11-07 15:47:14,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:47:14,239 INFO L124 PetriNetUnfolderBase]: 106/639 cut-off events. [2024-11-07 15:47:14,240 INFO L125 PetriNetUnfolderBase]: For 144/175 co-relation queries the response was YES. [2024-11-07 15:47:14,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 639 events. 106/639 cut-off events. For 144/175 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3715 event pairs, 12 based on Foata normal form. 4/611 useless extension candidates. Maximal degree in co-relation 1113. Up to 186 conditions per place. [2024-11-07 15:47:14,246 INFO L140 encePairwiseOnDemand]: 79/93 looper letters, 32 selfloop transitions, 47 changer transitions 0/153 dead transitions. [2024-11-07 15:47:14,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 153 transitions, 670 flow [2024-11-07 15:47:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:47:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:47:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 493 transitions. [2024-11-07 15:47:14,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835125448028673 [2024-11-07 15:47:14,250 INFO L175 Difference]: Start difference. First operand has 110 places, 110 transitions, 353 flow. Second operand 6 states and 493 transitions. [2024-11-07 15:47:14,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 153 transitions, 670 flow [2024-11-07 15:47:14,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 153 transitions, 656 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-07 15:47:14,260 INFO L231 Difference]: Finished difference. Result has 112 places, 152 transitions, 719 flow [2024-11-07 15:47:14,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=719, PETRI_PLACES=112, PETRI_TRANSITIONS=152} [2024-11-07 15:47:14,262 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 20 predicate places. [2024-11-07 15:47:14,262 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 152 transitions, 719 flow [2024-11-07 15:47:14,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 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 15:47:14,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:47:14,263 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] [2024-11-07 15:47:14,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:47:14,263 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:47:14,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:47:14,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1260636265, now seen corresponding path program 1 times [2024-11-07 15:47:14,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:47:14,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601458633] [2024-11-07 15:47:14,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:47:14,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:47:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:47:14,584 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 15:47:14,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:47:14,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601458633] [2024-11-07 15:47:14,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601458633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:47:14,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:47:14,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:47:14,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73918032] [2024-11-07 15:47:14,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:47:14,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:47:14,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:47:14,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:47:14,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:47:14,706 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 93 [2024-11-07 15:47:14,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 152 transitions, 719 flow. Second operand has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 15:47:14,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:47:14,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 93 [2024-11-07 15:47:14,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:47:14,884 INFO L124 PetriNetUnfolderBase]: 186/810 cut-off events. [2024-11-07 15:47:14,884 INFO L125 PetriNetUnfolderBase]: For 635/663 co-relation queries the response was YES. [2024-11-07 15:47:14,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 810 events. 186/810 cut-off events. For 635/663 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4981 event pairs, 38 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 1976. Up to 391 conditions per place. [2024-11-07 15:47:14,891 INFO L140 encePairwiseOnDemand]: 82/93 looper letters, 83 selfloop transitions, 32 changer transitions 0/179 dead transitions. [2024-11-07 15:47:14,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 179 transitions, 1111 flow [2024-11-07 15:47:14,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:47:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:47:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 422 transitions. [2024-11-07 15:47:14,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7562724014336918 [2024-11-07 15:47:14,893 INFO L175 Difference]: Start difference. First operand has 112 places, 152 transitions, 719 flow. Second operand 6 states and 422 transitions. [2024-11-07 15:47:14,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 179 transitions, 1111 flow [2024-11-07 15:47:14,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 179 transitions, 1093 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-07 15:47:14,903 INFO L231 Difference]: Finished difference. Result has 122 places, 179 transitions, 1023 flow [2024-11-07 15:47:14,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1023, PETRI_PLACES=122, PETRI_TRANSITIONS=179} [2024-11-07 15:47:14,905 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 30 predicate places. [2024-11-07 15:47:14,906 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 179 transitions, 1023 flow [2024-11-07 15:47:14,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 15:47:14,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:47:14,907 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:47:14,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:47:14,907 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:47:14,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:47:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash -628168808, now seen corresponding path program 1 times [2024-11-07 15:47:14,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:47:14,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849352995] [2024-11-07 15:47:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:47:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:47:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:47:14,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 15:47:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 15:47:14,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 15:47:14,990 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 15:47:14,993 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-07 15:47:14,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2024-11-07 15:47:14,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-07 15:47:14,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-07 15:47:14,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-07 15:47:14,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-07 15:47:14,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:47:14,999 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-07 15:47:15,043 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:47:15,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:47:15,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:47:15 BasicIcfg [2024-11-07 15:47:15,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:47:15,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:47:15,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:47:15,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:47:15,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:47:11" (3/4) ... [2024-11-07 15:47:15,054 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-07 15:47:15,105 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:47:15,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:47:15,106 INFO L158 Benchmark]: Toolchain (without parser) took 4600.35ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 90.2MB in the beginning and 146.9MB in the end (delta: -56.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-07 15:47:15,108 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:47:15,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.82ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 63.0MB in the end (delta: 27.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:47:15,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.87ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:47:15,109 INFO L158 Benchmark]: Boogie Preprocessor took 43.07ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 59.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:47:15,109 INFO L158 Benchmark]: RCFGBuilder took 438.76ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 88.8MB in the end (delta: -29.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-07 15:47:15,110 INFO L158 Benchmark]: TraceAbstraction took 3470.56ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 88.4MB in the beginning and 151.7MB in the end (delta: -63.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-07 15:47:15,110 INFO L158 Benchmark]: Witness Printer took 54.19ms. Allocated memory is still 192.9MB. Free memory was 151.7MB in the beginning and 146.9MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:47:15,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.82ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 63.0MB in the end (delta: 27.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.87ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.07ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 59.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.76ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 88.8MB in the end (delta: -29.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3470.56ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 88.4MB in the beginning and 151.7MB in the end (delta: -63.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 54.19ms. Allocated memory is still 192.9MB. Free memory was 151.7MB in the beginning and 146.9MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1021]: Data race detected Data race detected The following path leads to a data race: [L1025] 0 int threads_total = __VERIFIER_nondet_int(); VAL [threads_total=1] [L1026] CALL 0 assume_abort_if_not(threads_total >= 0) [L1016] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1] [L1026] RET 0 assume_abort_if_not(threads_total >= 0) [L1027] 0 pthread_t *tids = malloc(threads_total * sizeof(pthread_t)); VAL [threads_total=1, tids={-2:0}] [L1028] EXPR, FCALL 0 calloc(threads_total, sizeof(int)) [L1028] 0 int *is = calloc(threads_total, sizeof(int)); VAL [is={-3:0}, threads_total=1, tids={-2:0}] [L1029] 0 int i = 0; VAL [i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1029] COND TRUE 0 i < threads_total VAL [i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1030] 0 pthread_create(&tids[i], ((void *)0), &thread, &is[i]) VAL [i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1030] FCALL, FORK 0 pthread_create(&tids[i], ((void *)0), &thread, &is[i]) VAL [\old(arg)={-3:0}, i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1031] 0 is[i] = i VAL [\old(arg)={-3:0}, i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1020] 1 int *p = arg; VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] [L1021] EXPR 1 \read(*p) VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] [L1021] 1 int i = *p; VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] [L1031] 0 is[i] = i VAL [\old(arg)={-3:0}, arg={-3:0}, i=0, is={-3:0}, p={-3:0}, threads_total=1, tids={-2:0}] [L1021] 1 int i = *p; VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: is[i] = i [1031] * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] and C: int i = *p; [1021] - UnprovableResult [Line: 1030]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1034]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1031]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1030]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 104 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: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 714 IncrementalHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 21 mSDtfsCounter, 714 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1023occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 1.4s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-07 15:47:15,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE