./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-trans.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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:57:21,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:57:21,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:57:21,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:57:21,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:57:21,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:57:21,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:57:21,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:57:21,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:57:21,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:57:21,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:57:21,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:57:21,293 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:57:21,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:57:21,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:57:21,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:57:21,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:57:21,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:57:21,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:57:21,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:57:21,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:57:21,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:57:21,296 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:57:21,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:57:21,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:57:21,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:57:21,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:57:21,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:57:21,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:57:21,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:57:21,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:57:21,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:21,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:57:21,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:57:21,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:57:21,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:57:21,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:57:21,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:57:21,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:57:21,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:57:21,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:57:21,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 [2024-11-19 05:57:21,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:57:21,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:57:21,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:57:21,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:57:21,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:57:21,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2024-11-19 05:57:23,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:57:23,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:57:23,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2024-11-19 05:57:23,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abb2676a/3034c6e0faf2496a85e03b39038cea58/FLAG01ac7b0b8 [2024-11-19 05:57:23,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abb2676a/3034c6e0faf2496a85e03b39038cea58 [2024-11-19 05:57:23,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:57:23,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:57:23,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:23,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:57:23,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:57:23,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:23" (1/1) ... [2024-11-19 05:57:23,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f7a1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:23, skipping insertion in model container [2024-11-19 05:57:23,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:23" (1/1) ... [2024-11-19 05:57:23,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:57:23,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:23,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:57:24,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:24,162 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:57:24,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24 WrapperNode [2024-11-19 05:57:24,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:24,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:24,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:57:24,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:57:24,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,421 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 5005 [2024-11-19 05:57:24,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:24,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:57:24,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:57:24,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:57:24,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:57:24,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:57:24,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:57:24,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:57:24,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (1/1) ... [2024-11-19 05:57:24,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:24,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:57:24,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:57:24,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:57:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:57:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:57:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:57:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:57:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 05:57:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:57:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:57:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:57:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:57:24,867 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:57:25,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:57:25,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:57:30,083 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:57:30,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:57:45,754 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-19 05:57:45,771 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:57:45,771 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-19 05:57:45,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:45 BoogieIcfgContainer [2024-11-19 05:57:45,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:57:45,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:57:45,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:57:45,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:57:45,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:57:23" (1/3) ... [2024-11-19 05:57:45,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d622d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:45, skipping insertion in model container [2024-11-19 05:57:45,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:24" (2/3) ... [2024-11-19 05:57:45,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d622d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:45, skipping insertion in model container [2024-11-19 05:57:45,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:45" (3/3) ... [2024-11-19 05:57:45,781 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2024-11-19 05:57:45,802 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:57:45,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 753 error locations. [2024-11-19 05:57:45,803 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:57:49,280 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 05:57:49,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1712 places, 1785 transitions, 3591 flow [2024-11-19 05:57:50,926 INFO L124 PetriNetUnfolderBase]: 83/1782 cut-off events. [2024-11-19 05:57:50,926 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:57:50,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1795 conditions, 1782 events. 83/1782 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8425 event pairs, 0 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 1442. Up to 8 conditions per place. [2024-11-19 05:57:50,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 1712 places, 1785 transitions, 3591 flow [2024-11-19 05:57:51,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1690 places, 1761 transitions, 3540 flow [2024-11-19 05:57:51,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:57:51,076 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;@75b3ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:57:51,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1467 error locations. [2024-11-19 05:57:51,088 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:57:51,088 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2024-11-19 05:57:51,088 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:57:51,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:51,090 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] [2024-11-19 05:57:51,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-11-19 05:57:51,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:51,096 INFO L85 PathProgramCache]: Analyzing trace with hash 556520513, now seen corresponding path program 1 times [2024-11-19 05:57:51,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:51,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872209117] [2024-11-19 05:57:51,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:52,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872209117] [2024-11-19 05:57:52,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872209117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:52,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:52,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:57:52,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164558312] [2024-11-19 05:57:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:52,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:57:52,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:57:52,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:57:54,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 821 out of 1785 [2024-11-19 05:57:54,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1690 places, 1761 transitions, 3540 flow. Second operand has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:57:54,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:54,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 821 of 1785 [2024-11-19 05:57:54,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:58,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:06,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:10,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:11,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:16,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:18,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:23,961 INFO L124 PetriNetUnfolderBase]: 697/2536 cut-off events. [2024-11-19 05:58:23,962 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-19 05:58:23,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3549 conditions, 2536 events. 697/2536 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11490 event pairs, 135 based on Foata normal form. 168/2292 useless extension candidates. Maximal degree in co-relation 2317. Up to 886 conditions per place. [2024-11-19 05:58:23,987 INFO L140 encePairwiseOnDemand]: 959/1785 looper letters, 136 selfloop transitions, 60 changer transitions 24/995 dead transitions. [2024-11-19 05:58:23,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 995 transitions, 2400 flow [2024-11-19 05:58:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:58:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:58:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5888 transitions. [2024-11-19 05:58:24,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5497665732959851 [2024-11-19 05:58:24,031 INFO L175 Difference]: Start difference. First operand has 1690 places, 1761 transitions, 3540 flow. Second operand 6 states and 5888 transitions. [2024-11-19 05:58:24,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 995 transitions, 2400 flow [2024-11-19 05:58:24,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 966 places, 995 transitions, 2388 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-19 05:58:24,063 INFO L231 Difference]: Finished difference. Result has 966 places, 971 transitions, 2068 flow [2024-11-19 05:58:24,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2068, PETRI_PLACES=966, PETRI_TRANSITIONS=971} [2024-11-19 05:58:24,070 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -724 predicate places. [2024-11-19 05:58:24,072 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 971 transitions, 2068 flow [2024-11-19 05:58:24,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:24,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:24,076 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] [2024-11-19 05:58:24,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:58:24,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-11-19 05:58:24,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:24,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1492636070, now seen corresponding path program 1 times [2024-11-19 05:58:24,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:24,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528558717] [2024-11-19 05:58:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:24,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:24,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:24,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528558717] [2024-11-19 05:58:24,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528558717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:24,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:24,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826261695] [2024-11-19 05:58:24,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:24,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:24,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:24,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:24,239 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-11-19 05:58:24,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 971 transitions, 2068 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:24,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:24,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-11-19 05:58:24,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:27,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:30,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:35,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:38,480 INFO L124 PetriNetUnfolderBase]: 697/2511 cut-off events. [2024-11-19 05:58:38,480 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-19 05:58:38,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3389 conditions, 2511 events. 697/2511 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11412 event pairs, 135 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 3206. Up to 793 conditions per place. [2024-11-19 05:58:38,506 INFO L140 encePairwiseOnDemand]: 1782/1785 looper letters, 43 selfloop transitions, 2 changer transitions 0/970 dead transitions. [2024-11-19 05:58:38,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 970 transitions, 2156 flow [2024-11-19 05:58:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2024-11-19 05:58:38,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5587301587301587 [2024-11-19 05:58:38,516 INFO L175 Difference]: Start difference. First operand has 966 places, 971 transitions, 2068 flow. Second operand 3 states and 2992 transitions. [2024-11-19 05:58:38,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 970 transitions, 2156 flow [2024-11-19 05:58:38,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 970 transitions, 2036 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:58:38,536 INFO L231 Difference]: Finished difference. Result has 938 places, 970 transitions, 1950 flow [2024-11-19 05:58:38,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1946, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1950, PETRI_PLACES=938, PETRI_TRANSITIONS=970} [2024-11-19 05:58:38,539 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -752 predicate places. [2024-11-19 05:58:38,540 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 970 transitions, 1950 flow [2024-11-19 05:58:38,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:38,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:38,544 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] [2024-11-19 05:58:38,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:58:38,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-11-19 05:58:38,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:38,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1642664329, now seen corresponding path program 1 times [2024-11-19 05:58:38,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:38,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465646049] [2024-11-19 05:58:38,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:38,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:38,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:38,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465646049] [2024-11-19 05:58:38,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465646049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:38,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:38,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:38,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153563357] [2024-11-19 05:58:38,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:38,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:38,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:38,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:38,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:38,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-11-19 05:58:38,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 970 transitions, 1950 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:38,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:38,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-11-19 05:58:38,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand