./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix036.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix036.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:15:03,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:15:03,191 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:15:03,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:15:03,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:15:03,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:15:03,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:15:03,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:15:03,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:15:03,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:15:03,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:15:03,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:15:03,236 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:15:03,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:15:03,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:15:03,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:15:03,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:15:03,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:15:03,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:15:03,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:15:03,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:15:03,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:15:03,242 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:15:03,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:15:03,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:15:03,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:15:03,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:15:03,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:15:03,243 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:15:03,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:15:03,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:15:03,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:15:03,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:15:03,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:15:03,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:15:03,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:15:03,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:15:03,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:15:03,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:15:03,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:15:03,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:15:03,247 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 [2024-11-10 14:15:03,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:15:03,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:15:03,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:15:03,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:15:03,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:15:03,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036.oepc.i [2024-11-10 14:15:04,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:15:05,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:15:05,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036.oepc.i [2024-11-10 14:15:05,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5f9c05b/15dbc707c2904a4db50f847cb2a23716/FLAG323f711d4 [2024-11-10 14:15:05,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5f9c05b/15dbc707c2904a4db50f847cb2a23716 [2024-11-10 14:15:05,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:15:05,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:15:05,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:15:05,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:15:05,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:15:05,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d79e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05, skipping insertion in model container [2024-11-10 14:15:05,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:15:05,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:15:05,600 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:15:05,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:15:05,729 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:15:05,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05 WrapperNode [2024-11-10 14:15:05,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:15:05,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:15:05,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:15:05,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:15:05,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,807 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 508 [2024-11-10 14:15:05,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:15:05,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:15:05,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:15:05,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:15:05,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:15:05,853 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:15:05,853 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:15:05,853 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:15:05,854 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (1/1) ... [2024-11-10 14:15:05,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:15:05,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:15:05,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:15:05,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:15:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:15:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:15:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 14:15:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 14:15:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 14:15:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 14:15:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 14:15:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 14:15:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 14:15:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 14:15:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:15:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:15:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:15:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:15:05,942 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:15:06,106 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:15:06,108 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:15:07,286 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:15:07,286 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:15:10,118 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:15:10,148 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:15:10,177 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:15:10,315 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:15:10,343 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:15:10,374 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:15:10,378 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:15:10,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:15:10 BoogieIcfgContainer [2024-11-10 14:15:10,378 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:15:10,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:15:10,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:15:10,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:15:10,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:15:05" (1/3) ... [2024-11-10 14:15:10,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7421c8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:15:10, skipping insertion in model container [2024-11-10 14:15:10,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:15:05" (2/3) ... [2024-11-10 14:15:10,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7421c8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:15:10, skipping insertion in model container [2024-11-10 14:15:10,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:15:10" (3/3) ... [2024-11-10 14:15:10,386 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036.oepc.i [2024-11-10 14:15:10,405 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:15:10,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 285 error locations. [2024-11-10 14:15:10,405 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:15:10,774 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:15:10,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 530 transitions, 1076 flow [2024-11-10 14:15:11,027 INFO L124 PetriNetUnfolderBase]: 113/526 cut-off events. [2024-11-10 14:15:11,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:15:11,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 526 events. 113/526 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2447 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 486. Up to 2 conditions per place. [2024-11-10 14:15:11,057 INFO L82 GeneralOperation]: Start removeDead. Operand has 430 places, 530 transitions, 1076 flow [2024-11-10 14:15:11,224 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 426 places, 526 transitions, 1064 flow [2024-11-10 14:15:11,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:15:11,236 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;@99259e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:15:11,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 536 error locations. [2024-11-10 14:15:11,242 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:15:11,242 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-10 14:15:11,242 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:15:11,242 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:15:11,243 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] [2024-11-10 14:15:11,243 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err50ASSERT_VIOLATIONDATA_RACE === [P0Err50ASSERT_VIOLATIONDATA_RACE, P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE (and 532 more)] === [2024-11-10 14:15:11,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:15:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash -776971894, now seen corresponding path program 1 times [2024-11-10 14:15:11,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:15:11,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491534411] [2024-11-10 14:15:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:15:11,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:15:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:15:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:15:11,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:15:11,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491534411] [2024-11-10 14:15:11,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491534411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:15:11,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:15:11,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:15:11,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078423179] [2024-11-10 14:15:11,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:15:11,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:15:11,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:15:11,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:15:11,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:15:11,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 530 [2024-11-10 14:15:11,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 526 transitions, 1064 flow. Second operand has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:15:11,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:15:11,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 530 [2024-11-10 14:15:11,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:15:29,382 INFO L124 PetriNetUnfolderBase]: 14431/33253 cut-off events. [2024-11-10 14:15:29,383 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-10 14:15:29,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51657 conditions, 33253 events. 14431/33253 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 373418 event pairs, 10870 based on Foata normal form. 2568/30316 useless extension candidates. Maximal degree in co-relation 51602. Up to 18087 conditions per place. [2024-11-10 14:15:29,668 INFO L140 encePairwiseOnDemand]: 139/530 looper letters, 30 selfloop transitions, 0 changer transitions 0/133 dead transitions. [2024-11-10 14:15:29,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 133 transitions, 338 flow [2024-11-10 14:15:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:15:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:15:29,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 637 transitions. [2024-11-10 14:15:29,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6009433962264151 [2024-11-10 14:15:29,693 INFO L175 Difference]: Start difference. First operand has 426 places, 526 transitions, 1064 flow. Second operand 2 states and 637 transitions. [2024-11-10 14:15:29,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 133 transitions, 338 flow [2024-11-10 14:15:29,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 133 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:15:29,704 INFO L231 Difference]: Finished difference. Result has 138 places, 133 transitions, 274 flow [2024-11-10 14:15:29,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=530, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=274, PETRI_PLACES=138, PETRI_TRANSITIONS=133} [2024-11-10 14:15:29,712 INFO L277 CegarLoopForPetriNet]: 426 programPoint places, -288 predicate places. [2024-11-10 14:15:29,712 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 133 transitions, 274 flow [2024-11-10 14:15:29,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:15:29,713 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:15:29,713 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:15:29,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:15:29,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [P0Err50ASSERT_VIOLATIONDATA_RACE, P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE (and 532 more)] === [2024-11-10 14:15:29,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:15:29,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1127874592, now seen corresponding path program 1 times [2024-11-10 14:15:29,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:15:29,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349898326] [2024-11-10 14:15:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:15:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:15:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:15:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:15:29,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:15:29,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349898326] [2024-11-10 14:15:29,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349898326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:15:29,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:15:29,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:15:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055896933] [2024-11-10 14:15:29,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:15:29,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:15:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:15:29,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:15:29,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:15:29,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 530 [2024-11-10 14:15:29,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2024-11-10 14:15:29,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:15:29,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 530 [2024-11-10 14:15:29,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand