./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/mix005_tso.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 c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:33:51,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:33:51,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:33:51,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:33:51,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:33:51,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:33:51,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:33:51,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:33:51,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:33:51,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:33:51,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:33:51,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:33:51,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:33:51,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:33:51,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:33:51,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:33:51,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:33:51,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:33:51,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:33:51,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:33:51,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:33:51,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:33:51,213 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:33:51,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:33:51,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:33:51,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:33:51,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:33:51,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:33:51,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:33:51,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:33:51,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:33:51,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:33:51,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:33:51,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:33:51,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:33:51,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:33:51,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:33:51,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:33:51,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:33:51,218 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:33:51,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:33:51,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 [2024-11-19 05:33:51,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:33:51,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:33:51,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:33:51,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:33:51,556 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:33:51,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2024-11-19 05:33:53,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:33:53,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:33:53,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2024-11-19 05:33:53,382 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7228365e/a263ddea7cec488aa031b090ad3b2aae/FLAGcedd4155a [2024-11-19 05:33:53,397 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7228365e/a263ddea7cec488aa031b090ad3b2aae [2024-11-19 05:33:53,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:33:53,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:33:53,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:33:53,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:33:53,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:33:53,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:33:53" (1/1) ... [2024-11-19 05:33:53,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168ff3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:53, skipping insertion in model container [2024-11-19 05:33:53,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:33:53" (1/1) ... [2024-11-19 05:33:53,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:33:53,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:33:54,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:33:54,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:33:54,177 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:33:54,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54 WrapperNode [2024-11-19 05:33:54,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:33:54,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:33:54,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:33:54,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:33:54,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,289 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 962 [2024-11-19 05:33:54,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:33:54,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:33:54,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:33:54,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:33:54,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:33:54,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:33:54,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:33:54,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:33:54,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (1/1) ... [2024-11-19 05:33:54,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:33:54,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:33:54,428 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) [2024-11-19 05:33:54,431 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 [2024-11-19 05:33:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:33:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:33:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 05:33:54,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 05:33:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 05:33:54,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 05:33:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 05:33:54,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 05:33:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-19 05:33:54,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-19 05:33:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:33:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:33:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:33:54,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:33:54,480 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:33:54,676 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:33:54,678 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:33:56,220 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:33:56,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:34:01,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:34:01,724 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:34:01,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:34:01 BoogieIcfgContainer [2024-11-19 05:34:01,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:34:01,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:34:01,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:34:01,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:34:01,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:33:53" (1/3) ... [2024-11-19 05:34:01,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ced0426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:34:01, skipping insertion in model container [2024-11-19 05:34:01,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:33:54" (2/3) ... [2024-11-19 05:34:01,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ced0426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:34:01, skipping insertion in model container [2024-11-19 05:34:01,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:34:01" (3/3) ... [2024-11-19 05:34:01,735 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005_tso.oepc.i [2024-11-19 05:34:01,754 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:34:01,755 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 286 error locations. [2024-11-19 05:34:01,756 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:34:01,991 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:34:02,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 420 transitions, 856 flow [2024-11-19 05:34:02,259 INFO L124 PetriNetUnfolderBase]: 3/416 cut-off events. [2024-11-19 05:34:02,260 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:34:02,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 416 events. 3/416 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 2232 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 377. Up to 2 conditions per place. [2024-11-19 05:34:02,277 INFO L82 GeneralOperation]: Start removeDead. Operand has 430 places, 420 transitions, 856 flow [2024-11-19 05:34:02,305 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 426 places, 416 transitions, 844 flow [2024-11-19 05:34:02,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:34:02,327 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;@27d488a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:34:02,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 443 error locations. [2024-11-19 05:34:02,336 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:34:02,337 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-19 05:34:02,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:34:02,338 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:34:02,338 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:34:02,339 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 439 more)] === [2024-11-19 05:34:02,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:34:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash -382526909, now seen corresponding path program 1 times [2024-11-19 05:34:02,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:34:02,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707717219] [2024-11-19 05:34:02,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:34:02,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:34:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:34:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:34:02,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:34:02,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707717219] [2024-11-19 05:34:02,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707717219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:34:02,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:34:02,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 05:34:02,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019256743] [2024-11-19 05:34:02,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:34:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 05:34:02,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:34:02,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 05:34:02,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 05:34:02,690 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 420 [2024-11-19 05:34:02,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 416 transitions, 844 flow. Second operand has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-19 05:34:02,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:34:02,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 420 [2024-11-19 05:34:02,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:34:19,789 INFO L124 PetriNetUnfolderBase]: 11270/30766 cut-off events. [2024-11-19 05:34:19,789 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2024-11-19 05:34:19,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46184 conditions, 30766 events. 11270/30766 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 384622 event pairs, 11270 based on Foata normal form. 2642/31411 useless extension candidates. Maximal degree in co-relation 46130. Up to 15051 conditions per place. [2024-11-19 05:34:20,030 INFO L140 encePairwiseOnDemand]: 133/420 looper letters, 25 selfloop transitions, 0 changer transitions 0/127 dead transitions. [2024-11-19 05:34:20,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 127 transitions, 316 flow [2024-11-19 05:34:20,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 05:34:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 05:34:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 526 transitions. [2024-11-19 05:34:20,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6261904761904762 [2024-11-19 05:34:20,055 INFO L175 Difference]: Start difference. First operand has 426 places, 416 transitions, 844 flow. Second operand 2 states and 526 transitions. [2024-11-19 05:34:20,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 127 transitions, 316 flow [2024-11-19 05:34:20,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 127 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 05:34:20,065 INFO L231 Difference]: Finished difference. Result has 137 places, 127 transitions, 262 flow [2024-11-19 05:34:20,068 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=262, PETRI_PLACES=137, PETRI_TRANSITIONS=127} [2024-11-19 05:34:20,071 INFO L277 CegarLoopForPetriNet]: 426 programPoint places, -289 predicate places. [2024-11-19 05:34:20,074 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 127 transitions, 262 flow [2024-11-19 05:34:20,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-19 05:34:20,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:34:20,075 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] [2024-11-19 05:34:20,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:34:20,076 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 439 more)] === [2024-11-19 05:34:20,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:34:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1939573801, now seen corresponding path program 1 times [2024-11-19 05:34:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:34:20,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755589577] [2024-11-19 05:34:20,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:34:20,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:34:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:34:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:34:20,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:34:20,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755589577] [2024-11-19 05:34:20,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755589577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:34:20,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:34:20,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:34:20,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062583261] [2024-11-19 05:34:20,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:34:20,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:34:20,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:34:20,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:34:20,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:34:20,283 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 420 [2024-11-19 05:34:20,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 127 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-11-19 05:34:20,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:34:20,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 420 [2024-11-19 05:34:20,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand