./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/singleton.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:11:31,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:11:31,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:11:31,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:11:31,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:11:31,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:11:31,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:11:31,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:11:31,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:11:31,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:11:31,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:11:31,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:11:31,778 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:11:31,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:11:31,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:11:31,779 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:11:31,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:11:31,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:11:31,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:11:31,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:11:31,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:11:31,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:11:31,785 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:11:31,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:11:31,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:11:31,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:11:31,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:11:31,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:11:31,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:11:31,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:11:31,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:11:31,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:11:31,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:11:31,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:11:31,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:11:31,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:11:31,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:11:31,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:11:31,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:11:31,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:11:31,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:11:31,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2024-11-16 23:11:32,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:11:32,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:11:32,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:11:32,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:11:32,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:11:32,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton.i [2024-11-16 23:11:33,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:11:33,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:11:33,928 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton.i [2024-11-16 23:11:33,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076eb2b22/74807297023041f593aa6f505569edc5/FLAG896d7c226 [2024-11-16 23:11:33,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076eb2b22/74807297023041f593aa6f505569edc5 [2024-11-16 23:11:33,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:11:33,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:11:33,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:11:33,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:11:34,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:11:34,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:11:33" (1/1) ... [2024-11-16 23:11:34,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121136ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34, skipping insertion in model container [2024-11-16 23:11:34,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:11:33" (1/1) ... [2024-11-16 23:11:34,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:11:34,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:11:34,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:11:34,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:11:34,735 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:11:34,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34 WrapperNode [2024-11-16 23:11:34,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:11:34,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:11:34,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:11:34,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:11:34,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,782 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2024-11-16 23:11:34,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:11:34,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:11:34,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:11:34,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:11:34,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:11:34,813 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:11:34,813 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:11:34,813 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:11:34,814 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (1/1) ... [2024-11-16 23:11:34,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:11:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:11:34,855 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) [2024-11-16 23:11:34,859 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 [2024-11-16 23:11:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:11:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:11:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:11:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2024-11-16 23:11:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2024-11-16 23:11:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:11:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:11:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:11:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:11:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:11:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:11:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:11:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:11:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:11:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:11:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:11:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:11:34,917 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:11:35,067 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:11:35,069 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:11:35,279 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:11:35,279 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:11:35,325 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:11:35,326 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:11:35,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:11:35 BoogieIcfgContainer [2024-11-16 23:11:35,326 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:11:35,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:11:35,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:11:35,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:11:35,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:11:33" (1/3) ... [2024-11-16 23:11:35,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119a933e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:35, skipping insertion in model container [2024-11-16 23:11:35,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:34" (2/3) ... [2024-11-16 23:11:35,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119a933e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:35, skipping insertion in model container [2024-11-16 23:11:35,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:11:35" (3/3) ... [2024-11-16 23:11:35,339 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2024-11-16 23:11:35,357 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:11:35,358 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-16 23:11:35,358 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:11:35,489 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2024-11-16 23:11:35,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 178 places, 169 transitions, 435 flow [2024-11-16 23:11:35,640 INFO L124 PetriNetUnfolderBase]: 7/125 cut-off events. [2024-11-16 23:11:35,641 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:11:35,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 125 events. 7/125 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 105. Up to 3 conditions per place. [2024-11-16 23:11:35,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 169 transitions, 435 flow [2024-11-16 23:11:35,654 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 106 transitions, 263 flow [2024-11-16 23:11:35,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:11:35,671 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;@3a343d4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:11:35,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-16 23:11:35,682 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:11:35,683 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-16 23:11:35,683 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:35,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:35,684 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] [2024-11-16 23:11:35,685 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] === [2024-11-16 23:11:35,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:35,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2042205066, now seen corresponding path program 1 times [2024-11-16 23:11:35,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:35,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568167173] [2024-11-16 23:11:35,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:35,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:35,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:35,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568167173] [2024-11-16 23:11:35,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568167173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:35,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:35,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:35,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199900660] [2024-11-16 23:11:35,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:35,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:35,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:35,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:36,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 171 [2024-11-16 23:11:36,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 106 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-11-16 23:11:36,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:36,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 171 [2024-11-16 23:11:36,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:36,180 INFO L124 PetriNetUnfolderBase]: 67/252 cut-off events. [2024-11-16 23:11:36,181 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-11-16 23:11:36,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 252 events. 67/252 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 734 event pairs, 51 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 413. Up to 120 conditions per place. [2024-11-16 23:11:36,189 INFO L140 encePairwiseOnDemand]: 160/171 looper letters, 24 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-11-16 23:11:36,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 97 transitions, 297 flow [2024-11-16 23:11:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2024-11-16 23:11:36,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7641325536062378 [2024-11-16 23:11:36,208 INFO L175 Difference]: Start difference. First operand has 120 places, 106 transitions, 263 flow. Second operand 3 states and 392 transitions. [2024-11-16 23:11:36,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 97 transitions, 297 flow [2024-11-16 23:11:36,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 97 transitions, 263 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-16 23:11:36,221 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 215 flow [2024-11-16 23:11:36,225 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=101, PETRI_TRANSITIONS=97} [2024-11-16 23:11:36,229 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -19 predicate places. [2024-11-16 23:11:36,232 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 215 flow [2024-11-16 23:11:36,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-11-16 23:11:36,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:36,233 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] [2024-11-16 23:11:36,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:11:36,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] === [2024-11-16 23:11:36,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1047972746, now seen corresponding path program 1 times [2024-11-16 23:11:36,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:36,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465142625] [2024-11-16 23:11:36,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:36,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:36,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:36,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465142625] [2024-11-16 23:11:36,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465142625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:36,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:36,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:36,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077283326] [2024-11-16 23:11:36,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:36,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:36,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:36,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:36,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:36,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 171 [2024-11-16 23:11:36,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-11-16 23:11:36,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:36,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 171 [2024-11-16 23:11:36,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:36,645 INFO L124 PetriNetUnfolderBase]: 67/272 cut-off events. [2024-11-16 23:11:36,645 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-16 23:11:36,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 272 events. 67/272 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 839 event pairs, 29 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 383. Up to 110 conditions per place. [2024-11-16 23:11:36,650 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 27 selfloop transitions, 4 changer transitions 0/103 dead transitions. [2024-11-16 23:11:36,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 103 transitions, 292 flow [2024-11-16 23:11:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-11-16 23:11:36,655 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7699805068226121 [2024-11-16 23:11:36,655 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 215 flow. Second operand 3 states and 395 transitions. [2024-11-16 23:11:36,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 103 transitions, 292 flow [2024-11-16 23:11:36,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 103 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:36,663 INFO L231 Difference]: Finished difference. Result has 101 places, 100 transitions, 237 flow [2024-11-16 23:11:36,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=101, PETRI_TRANSITIONS=100} [2024-11-16 23:11:36,664 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -19 predicate places. [2024-11-16 23:11:36,665 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 100 transitions, 237 flow [2024-11-16 23:11:36,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-11-16 23:11:36,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:36,666 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] [2024-11-16 23:11:36,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:11:36,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] === [2024-11-16 23:11:36,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1821542978, now seen corresponding path program 1 times [2024-11-16 23:11:36,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:36,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307870646] [2024-11-16 23:11:36,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:36,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:36,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:36,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307870646] [2024-11-16 23:11:36,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307870646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:36,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:36,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:36,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705427441] [2024-11-16 23:11:36,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:36,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:36,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:36,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:36,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:36,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 171 [2024-11-16 23:11:36,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 100 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2024-11-16 23:11:36,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:36,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 171 [2024-11-16 23:11:36,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:37,035 INFO L124 PetriNetUnfolderBase]: 67/256 cut-off events. [2024-11-16 23:11:37,035 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-16 23:11:37,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 256 events. 67/256 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 739 event pairs, 35 based on Foata normal form. 1/231 useless extension candidates. Maximal degree in co-relation 442. Up to 119 conditions per place. [2024-11-16 23:11:37,039 INFO L140 encePairwiseOnDemand]: 169/171 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2024-11-16 23:11:37,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 99 transitions, 291 flow [2024-11-16 23:11:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2024-11-16 23:11:37,041 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7504873294346979 [2024-11-16 23:11:37,044 INFO L175 Difference]: Start difference. First operand has 101 places, 100 transitions, 237 flow. Second operand 3 states and 385 transitions. [2024-11-16 23:11:37,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 99 transitions, 291 flow [2024-11-16 23:11:37,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 99 transitions, 291 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:11:37,047 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2024-11-16 23:11:37,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2024-11-16 23:11:37,048 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -18 predicate places. [2024-11-16 23:11:37,048 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2024-11-16 23:11:37,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2024-11-16 23:11:37,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2024-11-16 23:11:37,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 27 remaining) [2024-11-16 23:11:37,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 27 remaining) [2024-11-16 23:11:37,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 27 remaining) [2024-11-16 23:11:37,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 27 remaining) [2024-11-16 23:11:37,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-16 23:11:37,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-16 23:11:37,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-16 23:11:37,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-16 23:11:37,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-16 23:11:37,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-16 23:11:37,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-16 23:11:37,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 27 remaining) [2024-11-16 23:11:37,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining) [2024-11-16 23:11:37,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2024-11-16 23:11:37,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2024-11-16 23:11:37,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-11-16 23:11:37,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-11-16 23:11:37,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-16 23:11:37,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-16 23:11:37,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-16 23:11:37,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-16 23:11:37,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-16 23:11:37,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-16 23:11:37,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-16 23:11:37,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-16 23:11:37,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-16 23:11:37,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:11:37,063 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 23:11:37,071 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:11:37,071 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:11:37,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:11:37 BasicIcfg [2024-11-16 23:11:37,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:11:37,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:11:37,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:11:37,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:11:37,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:11:35" (3/4) ... [2024-11-16 23:11:37,084 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:11:37,088 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread0 [2024-11-16 23:11:37,088 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:11:37,088 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:11:37,088 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:11:37,093 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-16 23:11:37,093 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-16 23:11:37,093 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:11:37,093 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:11:37,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:11:37,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:11:37,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:11:37,183 INFO L158 Benchmark]: Toolchain (without parser) took 3190.04ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 120.8MB in the beginning and 79.0MB in the end (delta: 41.8MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,183 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:11:37,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.60ms. Allocated memory is still 148.9MB. Free memory was 120.6MB in the beginning and 85.3MB in the end (delta: 35.3MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,189 INFO L158 Benchmark]: Boogie Preprocessor took 26.50ms. Allocated memory is still 148.9MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,189 INFO L158 Benchmark]: IcfgBuilder took 513.32ms. Allocated memory is still 148.9MB. Free memory was 81.1MB in the beginning and 64.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,189 INFO L158 Benchmark]: TraceAbstraction took 1752.56ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 63.2MB in the beginning and 83.2MB in the end (delta: -20.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,189 INFO L158 Benchmark]: Witness Printer took 101.59ms. Allocated memory is still 186.6MB. Free memory was 83.2MB in the beginning and 79.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:11:37,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.60ms. Allocated memory is still 148.9MB. Free memory was 120.6MB in the beginning and 85.3MB in the end (delta: 35.3MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.50ms. Allocated memory is still 148.9MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 513.32ms. Allocated memory is still 148.9MB. Free memory was 81.1MB in the beginning and 64.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1752.56ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 63.2MB in the beginning and 83.2MB in the end (delta: -20.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 101.59ms. Allocated memory is still 186.6MB. Free memory was 83.2MB in the beginning and 79.0MB 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: 1127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: 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 11 procedures, 206 locations, 27 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.5s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:11:37,218 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