./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c --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/weaver/parallel-min-max-1.wvr.c -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 bf26be9bd61f36f1b6136fc4e500a91a95d08528025fd00027577283116c4a35 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:38:01,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:38:01,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:38:01,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:38:01,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:38:01,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:38:01,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:38:01,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:38:01,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:38:01,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:38:01,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:38:01,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:38:01,234 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:38:01,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:38:01,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:38:01,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:38:01,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:38:01,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:38:01,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:38:01,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:38:01,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:38:01,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:38:01,238 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:38:01,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:38:01,238 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:38:01,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:38:01,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:38:01,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:38:01,239 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:38:01,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:38:01,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:38:01,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:01,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:38:01,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:38:01,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:38:01,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf26be9bd61f36f1b6136fc4e500a91a95d08528025fd00027577283116c4a35 [2024-11-10 14:38:01,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:38:01,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:38:01,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:38:01,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:38:01,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:38:01,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2024-11-10 14:38:02,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:38:02,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:38:02,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2024-11-10 14:38:02,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2a24704/b87c4b159f794686ba4acad784c56f20/FLAG884b8e513 [2024-11-10 14:38:02,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2a24704/b87c4b159f794686ba4acad784c56f20 [2024-11-10 14:38:02,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:38:02,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:38:02,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:02,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:38:02,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:38:02,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:02" (1/1) ... [2024-11-10 14:38:02,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b611e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:02, skipping insertion in model container [2024-11-10 14:38:02,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:02" (1/1) ... [2024-11-10 14:38:02,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:38:03,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:03,113 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:38:03,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:03,153 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:38:03,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03 WrapperNode [2024-11-10 14:38:03,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:03,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:03,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:38:03,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:38:03,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,186 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 139 [2024-11-10 14:38:03,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:03,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:38:03,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:38:03,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:38:03,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:38:03,217 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:38:03,217 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:38:03,217 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:38:03,218 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (1/1) ... [2024-11-10 14:38:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:03,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:38:03,251 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 14:38:03,263 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 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:38:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:38:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:38:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:38:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:38:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:38:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:38:03,300 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 14:38:03,388 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:38:03,390 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:38:03,826 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:38:03,826 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:38:03,860 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:38:03,860 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:38:03,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:03 BoogieIcfgContainer [2024-11-10 14:38:03,860 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:38:03,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:38:03,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:38:03,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:38:03,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:38:02" (1/3) ... [2024-11-10 14:38:03,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d48f45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:03, skipping insertion in model container [2024-11-10 14:38:03,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:03" (2/3) ... [2024-11-10 14:38:03,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d48f45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:03, skipping insertion in model container [2024-11-10 14:38:03,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:03" (3/3) ... [2024-11-10 14:38:03,873 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2024-11-10 14:38:03,888 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:38:03,888 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 14:38:03,889 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:38:03,985 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:38:04,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 273 transitions, 567 flow [2024-11-10 14:38:04,116 INFO L124 PetriNetUnfolderBase]: 14/270 cut-off events. [2024-11-10 14:38:04,116 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:38:04,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 270 events. 14/270 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 402 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 248. Up to 2 conditions per place. [2024-11-10 14:38:04,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 269 places, 273 transitions, 567 flow [2024-11-10 14:38:04,130 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 252 transitions, 516 flow [2024-11-10 14:38:04,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:38:04,145 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;@5c2f53ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:38:04,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-10 14:38:04,155 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:38:04,156 INFO L124 PetriNetUnfolderBase]: 4/95 cut-off events. [2024-11-10 14:38:04,156 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:38:04,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:04,157 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, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:04,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:04,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:04,162 INFO L85 PathProgramCache]: Analyzing trace with hash 83783597, now seen corresponding path program 1 times [2024-11-10 14:38:04,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383660057] [2024-11-10 14:38:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:04,341 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 14:38:04,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:04,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383660057] [2024-11-10 14:38:04,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383660057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:04,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:04,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:04,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008045508] [2024-11-10 14:38:04,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:04,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:38:04,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:04,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:38:04,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:38:04,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 273 [2024-11-10 14:38:04,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 252 transitions, 516 flow. Second operand has 2 states, 2 states have (on average 248.5) internal successors, (497), 2 states have internal predecessors, (497), 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 14:38:04,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:04,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 273 [2024-11-10 14:38:04,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:04,552 INFO L124 PetriNetUnfolderBase]: 104/774 cut-off events. [2024-11-10 14:38:04,552 INFO L125 PetriNetUnfolderBase]: For 58/59 co-relation queries the response was YES. [2024-11-10 14:38:04,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 774 events. 104/774 cut-off events. For 58/59 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3747 event pairs, 59 based on Foata normal form. 45/701 useless extension candidates. Maximal degree in co-relation 761. Up to 151 conditions per place. [2024-11-10 14:38:04,560 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 17 selfloop transitions, 0 changer transitions 4/245 dead transitions. [2024-11-10 14:38:04,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 245 transitions, 536 flow [2024-11-10 14:38:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:38:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:38:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 514 transitions. [2024-11-10 14:38:04,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9413919413919414 [2024-11-10 14:38:04,578 INFO L175 Difference]: Start difference. First operand has 249 places, 252 transitions, 516 flow. Second operand 2 states and 514 transitions. [2024-11-10 14:38:04,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 245 transitions, 536 flow [2024-11-10 14:38:04,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 530 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:38:04,586 INFO L231 Difference]: Finished difference. Result has 246 places, 241 transitions, 488 flow [2024-11-10 14:38:04,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=488, PETRI_PLACES=246, PETRI_TRANSITIONS=241} [2024-11-10 14:38:04,591 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -3 predicate places. [2024-11-10 14:38:04,591 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 241 transitions, 488 flow [2024-11-10 14:38:04,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 248.5) internal successors, (497), 2 states have internal predecessors, (497), 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 14:38:04,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:04,592 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:04,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:38:04,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:04,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:04,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1406747257, now seen corresponding path program 1 times [2024-11-10 14:38:04,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:04,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386550341] [2024-11-10 14:38:04,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:04,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:04,722 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 14:38:04,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:04,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386550341] [2024-11-10 14:38:04,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386550341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:04,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:04,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:04,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787948932] [2024-11-10 14:38:04,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:04,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:04,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:04,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:04,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:04,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 273 [2024-11-10 14:38:04,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 241 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 14:38:04,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:04,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 273 [2024-11-10 14:38:04,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:05,011 INFO L124 PetriNetUnfolderBase]: 273/1700 cut-off events. [2024-11-10 14:38:05,011 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-10 14:38:05,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1700 events. 273/1700 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 12111 event pairs, 185 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 2200. Up to 402 conditions per place. [2024-11-10 14:38:05,023 INFO L140 encePairwiseOnDemand]: 270/273 looper letters, 27 selfloop transitions, 2 changer transitions 0/240 dead transitions. [2024-11-10 14:38:05,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 240 transitions, 544 flow [2024-11-10 14:38:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2024-11-10 14:38:05,025 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8827838827838828 [2024-11-10 14:38:05,025 INFO L175 Difference]: Start difference. First operand has 246 places, 241 transitions, 488 flow. Second operand 3 states and 723 transitions. [2024-11-10 14:38:05,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 240 transitions, 544 flow [2024-11-10 14:38:05,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 240 transitions, 544 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:38:05,032 INFO L231 Difference]: Finished difference. Result has 243 places, 240 transitions, 490 flow [2024-11-10 14:38:05,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=243, PETRI_TRANSITIONS=240} [2024-11-10 14:38:05,033 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -6 predicate places. [2024-11-10 14:38:05,033 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 240 transitions, 490 flow [2024-11-10 14:38:05,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 14:38:05,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:05,034 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:05,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:38:05,035 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:05,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash 309202352, now seen corresponding path program 1 times [2024-11-10 14:38:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387544359] [2024-11-10 14:38:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:05,603 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 14:38:05,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:05,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387544359] [2024-11-10 14:38:05,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387544359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:05,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:05,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:38:05,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947328170] [2024-11-10 14:38:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:05,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:38:05,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:05,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:38:05,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:38:05,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 273 [2024-11-10 14:38:05,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 240 transitions, 490 flow. Second operand has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 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 14:38:05,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:05,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 273 [2024-11-10 14:38:05,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:06,330 INFO L124 PetriNetUnfolderBase]: 1383/4308 cut-off events. [2024-11-10 14:38:06,330 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-10 14:38:06,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6943 conditions, 4308 events. 1383/4308 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 35391 event pairs, 1142 based on Foata normal form. 0/3724 useless extension candidates. Maximal degree in co-relation 6939. Up to 2122 conditions per place. [2024-11-10 14:38:06,355 INFO L140 encePairwiseOnDemand]: 267/273 looper letters, 53 selfloop transitions, 5 changer transitions 0/239 dead transitions. [2024-11-10 14:38:06,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 239 transitions, 604 flow [2024-11-10 14:38:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:38:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:38:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1277 transitions. [2024-11-10 14:38:06,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7796092796092796 [2024-11-10 14:38:06,358 INFO L175 Difference]: Start difference. First operand has 243 places, 240 transitions, 490 flow. Second operand 6 states and 1277 transitions. [2024-11-10 14:38:06,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 239 transitions, 604 flow [2024-11-10 14:38:06,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 239 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:06,363 INFO L231 Difference]: Finished difference. Result has 245 places, 239 transitions, 494 flow [2024-11-10 14:38:06,364 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=494, PETRI_PLACES=245, PETRI_TRANSITIONS=239} [2024-11-10 14:38:06,365 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -4 predicate places. [2024-11-10 14:38:06,365 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 239 transitions, 494 flow [2024-11-10 14:38:06,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 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 14:38:06,366 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:06,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:06,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:38:06,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:06,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:06,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1079634041, now seen corresponding path program 1 times [2024-11-10 14:38:06,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:06,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532236213] [2024-11-10 14:38:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:06,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:06,415 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 14:38:06,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:06,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532236213] [2024-11-10 14:38:06,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532236213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:06,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:06,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:06,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193214501] [2024-11-10 14:38:06,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:06,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:06,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:06,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:06,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:06,438 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 273 [2024-11-10 14:38:06,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 239 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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 14:38:06,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:06,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 273 [2024-11-10 14:38:06,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:06,699 INFO L124 PetriNetUnfolderBase]: 559/2611 cut-off events. [2024-11-10 14:38:06,700 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-10 14:38:06,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3648 conditions, 2611 events. 559/2611 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 20341 event pairs, 193 based on Foata normal form. 0/2313 useless extension candidates. Maximal degree in co-relation 3644. Up to 821 conditions per place. [2024-11-10 14:38:06,713 INFO L140 encePairwiseOnDemand]: 263/273 looper letters, 35 selfloop transitions, 3 changer transitions 0/238 dead transitions. [2024-11-10 14:38:06,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 238 transitions, 573 flow [2024-11-10 14:38:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-10 14:38:06,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2024-11-10 14:38:06,715 INFO L175 Difference]: Start difference. First operand has 245 places, 239 transitions, 494 flow. Second operand 3 states and 714 transitions. [2024-11-10 14:38:06,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 238 transitions, 573 flow [2024-11-10 14:38:06,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 238 transitions, 563 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:38:06,720 INFO L231 Difference]: Finished difference. Result has 236 places, 234 transitions, 487 flow [2024-11-10 14:38:06,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=236, PETRI_TRANSITIONS=234} [2024-11-10 14:38:06,722 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -13 predicate places. [2024-11-10 14:38:06,722 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 234 transitions, 487 flow [2024-11-10 14:38:06,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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 14:38:06,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:06,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:06,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:38:06,723 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:06,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash 88258648, now seen corresponding path program 1 times [2024-11-10 14:38:06,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:06,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13318698] [2024-11-10 14:38:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:06,979 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 14:38:06,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:06,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13318698] [2024-11-10 14:38:06,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13318698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:06,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:06,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:38:06,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832455253] [2024-11-10 14:38:06,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:06,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:38:06,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:06,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:38:06,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:38:07,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 273 [2024-11-10 14:38:07,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 234 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 223.16666666666666) internal successors, (1339), 6 states have internal predecessors, (1339), 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 14:38:07,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:07,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 273 [2024-11-10 14:38:07,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:07,579 INFO L124 PetriNetUnfolderBase]: 569/2734 cut-off events. [2024-11-10 14:38:07,579 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-10 14:38:07,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3829 conditions, 2734 events. 569/2734 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 22551 event pairs, 131 based on Foata normal form. 0/2480 useless extension candidates. Maximal degree in co-relation 3825. Up to 714 conditions per place. [2024-11-10 14:38:07,600 INFO L140 encePairwiseOnDemand]: 258/273 looper letters, 59 selfloop transitions, 12 changer transitions 0/264 dead transitions. [2024-11-10 14:38:07,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 264 transitions, 706 flow [2024-11-10 14:38:07,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:38:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:38:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1400 transitions. [2024-11-10 14:38:07,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8547008547008547 [2024-11-10 14:38:07,603 INFO L175 Difference]: Start difference. First operand has 236 places, 234 transitions, 487 flow. Second operand 6 states and 1400 transitions. [2024-11-10 14:38:07,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 264 transitions, 706 flow [2024-11-10 14:38:07,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 264 transitions, 706 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:38:07,607 INFO L231 Difference]: Finished difference. Result has 242 places, 239 transitions, 558 flow [2024-11-10 14:38:07,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=558, PETRI_PLACES=242, PETRI_TRANSITIONS=239} [2024-11-10 14:38:07,610 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -7 predicate places. [2024-11-10 14:38:07,610 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 239 transitions, 558 flow [2024-11-10 14:38:07,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.16666666666666) internal successors, (1339), 6 states have internal predecessors, (1339), 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 14:38:07,612 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:07,612 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:07,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:38:07,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:07,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:07,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1145701468, now seen corresponding path program 1 times [2024-11-10 14:38:07,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:07,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932537160] [2024-11-10 14:38:07,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:07,750 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 14:38:07,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932537160] [2024-11-10 14:38:07,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932537160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:07,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:07,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:38:07,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994408040] [2024-11-10 14:38:07,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:07,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:38:07,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:07,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:38:07,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:38:07,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 273 [2024-11-10 14:38:07,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 239 transitions, 558 flow. Second operand has 7 states, 7 states have (on average 233.85714285714286) internal successors, (1637), 7 states have internal predecessors, (1637), 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 14:38:07,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:07,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 273 [2024-11-10 14:38:07,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:08,317 INFO L124 PetriNetUnfolderBase]: 444/2990 cut-off events. [2024-11-10 14:38:08,317 INFO L125 PetriNetUnfolderBase]: For 36/42 co-relation queries the response was YES. [2024-11-10 14:38:08,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4048 conditions, 2990 events. 444/2990 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 25273 event pairs, 262 based on Foata normal form. 17/2659 useless extension candidates. Maximal degree in co-relation 4040. Up to 392 conditions per place. [2024-11-10 14:38:08,341 INFO L140 encePairwiseOnDemand]: 260/273 looper letters, 40 selfloop transitions, 14 changer transitions 0/262 dead transitions. [2024-11-10 14:38:08,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 262 transitions, 722 flow [2024-11-10 14:38:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:38:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 14:38:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2365 transitions. [2024-11-10 14:38:08,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8663003663003663 [2024-11-10 14:38:08,345 INFO L175 Difference]: Start difference. First operand has 242 places, 239 transitions, 558 flow. Second operand 10 states and 2365 transitions. [2024-11-10 14:38:08,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 262 transitions, 722 flow [2024-11-10 14:38:08,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 262 transitions, 722 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:38:08,349 INFO L231 Difference]: Finished difference. Result has 255 places, 246 transitions, 624 flow [2024-11-10 14:38:08,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=624, PETRI_PLACES=255, PETRI_TRANSITIONS=246} [2024-11-10 14:38:08,350 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 6 predicate places. [2024-11-10 14:38:08,350 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 246 transitions, 624 flow [2024-11-10 14:38:08,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 233.85714285714286) internal successors, (1637), 7 states have internal predecessors, (1637), 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 14:38:08,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:08,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:08,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:38:08,352 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:08,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:08,352 INFO L85 PathProgramCache]: Analyzing trace with hash -766776040, now seen corresponding path program 1 times [2024-11-10 14:38:08,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:08,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847152563] [2024-11-10 14:38:08,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:08,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:08,473 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 14:38:08,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:08,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847152563] [2024-11-10 14:38:08,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847152563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:08,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:08,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:38:08,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481802101] [2024-11-10 14:38:08,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:08,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:38:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:08,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:38:08,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:38:08,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 273 [2024-11-10 14:38:08,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 246 transitions, 624 flow. Second operand has 7 states, 7 states have (on average 234.0) internal successors, (1638), 7 states have internal predecessors, (1638), 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 14:38:08,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:08,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 273 [2024-11-10 14:38:08,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:08,931 INFO L124 PetriNetUnfolderBase]: 447/2570 cut-off events. [2024-11-10 14:38:08,931 INFO L125 PetriNetUnfolderBase]: For 82/89 co-relation queries the response was YES. [2024-11-10 14:38:08,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3784 conditions, 2570 events. 447/2570 cut-off events. For 82/89 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 20852 event pairs, 291 based on Foata normal form. 26/2408 useless extension candidates. Maximal degree in co-relation 3771. Up to 483 conditions per place. [2024-11-10 14:38:08,949 INFO L140 encePairwiseOnDemand]: 260/273 looper letters, 24 selfloop transitions, 8 changer transitions 22/262 dead transitions. [2024-11-10 14:38:08,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 262 transitions, 769 flow [2024-11-10 14:38:08,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:38:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 14:38:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2363 transitions. [2024-11-10 14:38:08,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8655677655677656 [2024-11-10 14:38:08,977 INFO L175 Difference]: Start difference. First operand has 255 places, 246 transitions, 624 flow. Second operand 10 states and 2363 transitions. [2024-11-10 14:38:08,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 262 transitions, 769 flow [2024-11-10 14:38:08,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 262 transitions, 765 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:08,983 INFO L231 Difference]: Finished difference. Result has 265 places, 240 transitions, 612 flow [2024-11-10 14:38:08,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=612, PETRI_PLACES=265, PETRI_TRANSITIONS=240} [2024-11-10 14:38:08,985 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 16 predicate places. [2024-11-10 14:38:08,986 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 240 transitions, 612 flow [2024-11-10 14:38:08,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 234.0) internal successors, (1638), 7 states have internal predecessors, (1638), 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 14:38:08,987 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:08,987 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:08,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:38:08,988 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:08,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:08,991 INFO L85 PathProgramCache]: Analyzing trace with hash -2140746935, now seen corresponding path program 1 times [2024-11-10 14:38:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:08,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390336668] [2024-11-10 14:38:08,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:38:09,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:09,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390336668] [2024-11-10 14:38:09,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390336668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:09,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:09,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:38:09,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475709682] [2024-11-10 14:38:09,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:09,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:38:09,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:09,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:38:09,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:38:09,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 273 [2024-11-10 14:38:09,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 240 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 227.5) internal successors, (1365), 6 states have internal predecessors, (1365), 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 14:38:09,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:09,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 273 [2024-11-10 14:38:09,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:09,824 INFO L124 PetriNetUnfolderBase]: 467/1969 cut-off events. [2024-11-10 14:38:09,825 INFO L125 PetriNetUnfolderBase]: For 60/64 co-relation queries the response was YES. [2024-11-10 14:38:09,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3129 conditions, 1969 events. 467/1969 cut-off events. For 60/64 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 14544 event pairs, 141 based on Foata normal form. 0/1774 useless extension candidates. Maximal degree in co-relation 3114. Up to 342 conditions per place. [2024-11-10 14:38:09,883 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 55 selfloop transitions, 5 changer transitions 0/262 dead transitions. [2024-11-10 14:38:09,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 262 transitions, 792 flow [2024-11-10 14:38:09,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:38:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:38:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1406 transitions. [2024-11-10 14:38:09,886 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583638583638583 [2024-11-10 14:38:09,886 INFO L175 Difference]: Start difference. First operand has 265 places, 240 transitions, 612 flow. Second operand 6 states and 1406 transitions. [2024-11-10 14:38:09,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 262 transitions, 792 flow [2024-11-10 14:38:09,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 262 transitions, 748 flow, removed 7 selfloop flow, removed 13 redundant places. [2024-11-10 14:38:09,894 INFO L231 Difference]: Finished difference. Result has 247 places, 238 transitions, 574 flow [2024-11-10 14:38:09,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=574, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2024-11-10 14:38:09,896 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -2 predicate places. [2024-11-10 14:38:09,897 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 574 flow [2024-11-10 14:38:09,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.5) internal successors, (1365), 6 states have internal predecessors, (1365), 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 14:38:09,898 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:09,898 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:09,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:38:09,899 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-10 14:38:09,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:09,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1805578683, now seen corresponding path program 1 times [2024-11-10 14:38:09,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:09,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781335648] [2024-11-10 14:38:09,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:38:10,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:10,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781335648] [2024-11-10 14:38:10,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781335648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:10,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:10,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:38:10,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952370320] [2024-11-10 14:38:10,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:10,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:38:10,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:10,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:38:10,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:38:10,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 273 [2024-11-10 14:38:10,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 574 flow. Second operand has 6 states, 6 states have (on average 227.66666666666666) internal successors, (1366), 6 states have internal predecessors, (1366), 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 14:38:10,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:10,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 273 [2024-11-10 14:38:10,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:10,776 INFO L124 PetriNetUnfolderBase]: 633/2137 cut-off events. [2024-11-10 14:38:10,777 INFO L125 PetriNetUnfolderBase]: For 76/80 co-relation queries the response was YES. [2024-11-10 14:38:10,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3639 conditions, 2137 events. 633/2137 cut-off events. For 76/80 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 16258 event pairs, 169 based on Foata normal form. 0/2015 useless extension candidates. Maximal degree in co-relation 3629. Up to 477 conditions per place. [2024-11-10 14:38:10,787 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 0 selfloop transitions, 0 changer transitions 260/260 dead transitions. [2024-11-10 14:38:10,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 260 transitions, 750 flow [2024-11-10 14:38:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:38:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:38:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1406 transitions. [2024-11-10 14:38:10,790 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583638583638583 [2024-11-10 14:38:10,790 INFO L175 Difference]: Start difference. First operand has 247 places, 238 transitions, 574 flow. Second operand 6 states and 1406 transitions. [2024-11-10 14:38:10,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 260 transitions, 750 flow [2024-11-10 14:38:10,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 260 transitions, 740 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:38:10,792 INFO L231 Difference]: Finished difference. Result has 245 places, 0 transitions, 0 flow [2024-11-10 14:38:10,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=245, PETRI_TRANSITIONS=0} [2024-11-10 14:38:10,793 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -4 predicate places. [2024-11-10 14:38:10,793 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 0 transitions, 0 flow [2024-11-10 14:38:10,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.66666666666666) internal successors, (1366), 6 states have internal predecessors, (1366), 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 14:38:10,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2024-11-10 14:38:10,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-10 14:38:10,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-10 14:38:10,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-10 14:38:10,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-10 14:38:10,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-10 14:38:10,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-10 14:38:10,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-10 14:38:10,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-10 14:38:10,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-10 14:38:10,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:38:10,801 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:10,805 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:38:10,805 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:38:10,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:38:10 BasicIcfg [2024-11-10 14:38:10,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:38:10,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:38:10,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:38:10,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:38:10,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:03" (3/4) ... [2024-11-10 14:38:10,812 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:38:10,814 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:38:10,814 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:38:10,815 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:38:10,817 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:38:10,817 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:38:10,817 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:38:10,817 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:38:10,883 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:38:10,884 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:38:10,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:38:10,884 INFO L158 Benchmark]: Toolchain (without parser) took 7970.02ms. Allocated memory was 174.1MB in the beginning and 482.3MB in the end (delta: 308.3MB). Free memory was 105.3MB in the beginning and 285.0MB in the end (delta: -179.8MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,885 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:38:10,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.73ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 90.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.65ms. Allocated memory is still 174.1MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,888 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 174.1MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,888 INFO L158 Benchmark]: IcfgBuilder took 643.18ms. Allocated memory is still 174.1MB. Free memory was 86.1MB in the beginning and 139.9MB in the end (delta: -53.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,888 INFO L158 Benchmark]: TraceAbstraction took 6946.00ms. Allocated memory was 174.1MB in the beginning and 482.3MB in the end (delta: 308.3MB). Free memory was 139.0MB in the beginning and 289.2MB in the end (delta: -150.2MB). Peak memory consumption was 330.8MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,888 INFO L158 Benchmark]: Witness Printer took 73.65ms. Allocated memory is still 482.3MB. Free memory was 289.2MB in the beginning and 285.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:38:10,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.73ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 90.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.65ms. Allocated memory is still 174.1MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 174.1MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 643.18ms. Allocated memory is still 174.1MB. Free memory was 86.1MB in the beginning and 139.9MB in the end (delta: -53.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6946.00ms. Allocated memory was 174.1MB in the beginning and 482.3MB in the end (delta: 308.3MB). Free memory was 139.0MB in the beginning and 289.2MB in the end (delta: -150.2MB). Peak memory consumption was 330.8MB. Max. memory is 16.1GB. * Witness Printer took 73.65ms. Allocated memory is still 482.3MB. Free memory was 289.2MB in the beginning and 285.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 364 locations, 31 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: 6.8s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1376 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 870 mSDsluCounter, 753 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 608 mSDsCounter, 343 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2617 IncrementalHoareTripleChecker+Invalid, 2960 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 343 mSolverCounterUnsat, 145 mSDtfsCounter, 2617 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=624occurred in iteration=6, InterpolantAutomatonStates: 52, 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, 1.8s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 919 ConstructedInterpolants, 0 QuantifiedInterpolants, 1637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:38:10,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 Result: TRUE