./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:31:31,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:31:31,619 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:31:31,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:31:31,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:31:31,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:31:31,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:31:31,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:31:31,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:31:31,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:31:31,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:31:31,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:31:31,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:31:31,655 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:31:31,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:31,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:31:31,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:31:31,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:31:31,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:31:31,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:31:31,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:31:31,657 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 [2025-02-06 09:31:31,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:31:31,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:31:31,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:31:31,905 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:31:31,905 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:31:31,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2025-02-06 09:31:33,152 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/676684bd1/3f4ddd8f566d4a70a45c491daa3663fb/FLAGf7826c461 [2025-02-06 09:31:33,421 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:31:33,422 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2025-02-06 09:31:33,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/676684bd1/3f4ddd8f566d4a70a45c491daa3663fb/FLAGf7826c461 [2025-02-06 09:31:33,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/676684bd1/3f4ddd8f566d4a70a45c491daa3663fb [2025-02-06 09:31:33,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:31:33,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:31:33,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:33,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:31:33,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:31:33,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56581c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33, skipping insertion in model container [2025-02-06 09:31:33,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:31:33,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:33,628 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:31:33,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:33,663 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:31:33,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33 WrapperNode [2025-02-06 09:31:33,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:33,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:33,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:31:33,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:31:33,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,688 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 122 [2025-02-06 09:31:33,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:33,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:31:33,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:31:33,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:31:33,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,714 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:31:33,726 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:31:33,726 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:31:33,726 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:31:33,727 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (1/1) ... [2025-02-06 09:31:33,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:33,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:31:33,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:31:33,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:31:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:31:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:31:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:31:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:31:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-06 09:31:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:31:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:31:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:31:33,790 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:31:33,882 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:31:33,884 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:31:34,172 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:31:34,173 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:31:34,221 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:31:34,222 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:31:34,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:34 BoogieIcfgContainer [2025-02-06 09:31:34,222 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:31:34,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:31:34,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:31:34,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:31:34,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:31:33" (1/3) ... [2025-02-06 09:31:34,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27046c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:34, skipping insertion in model container [2025-02-06 09:31:34,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:33" (2/3) ... [2025-02-06 09:31:34,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27046c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:34, skipping insertion in model container [2025-02-06 09:31:34,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:34" (3/3) ... [2025-02-06 09:31:34,233 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2025-02-06 09:31:34,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:31:34,247 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-dec.wvr.c that has 5 procedures, 204 locations, 1 initial locations, 4 loop locations, and 7 error locations. [2025-02-06 09:31:34,247 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:31:34,342 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-02-06 09:31:34,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 214 transitions, 456 flow [2025-02-06 09:31:34,466 INFO L124 PetriNetUnfolderBase]: 11/210 cut-off events. [2025-02-06 09:31:34,472 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:31:34,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 210 events. 11/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 356 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 186. Up to 2 conditions per place. [2025-02-06 09:31:34,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 214 transitions, 456 flow [2025-02-06 09:31:34,491 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 192 transitions, 402 flow [2025-02-06 09:31:34,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:31:34,517 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;@77ed9394, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:31:34,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-02-06 09:31:34,531 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:31:34,532 INFO L124 PetriNetUnfolderBase]: 4/73 cut-off events. [2025-02-06 09:31:34,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:31:34,532 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:34,532 INFO L206 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] [2025-02-06 09:31:34,533 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:31:34,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:34,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2019519728, now seen corresponding path program 1 times [2025-02-06 09:31:34,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:34,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124797131] [2025-02-06 09:31:34,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:34,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 09:31:34,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 09:31:34,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:34,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:31:34,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:34,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124797131] [2025-02-06 09:31:34,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124797131] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:34,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:34,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100615543] [2025-02-06 09:31:34,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:34,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:34,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:34,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:34,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:34,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 214 [2025-02-06 09:31:34,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 192 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2025-02-06 09:31:34,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:34,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 214 [2025-02-06 09:31:34,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:35,994 INFO L124 PetriNetUnfolderBase]: 2812/8760 cut-off events. [2025-02-06 09:31:35,995 INFO L125 PetriNetUnfolderBase]: For 852/852 co-relation queries the response was YES. [2025-02-06 09:31:36,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13394 conditions, 8760 events. 2812/8760 cut-off events. For 852/852 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 91111 event pairs, 2244 based on Foata normal form. 199/7944 useless extension candidates. Maximal degree in co-relation 13109. Up to 3783 conditions per place. [2025-02-06 09:31:36,066 INFO L140 encePairwiseOnDemand]: 207/214 looper letters, 29 selfloop transitions, 2 changer transitions 3/187 dead transitions. [2025-02-06 09:31:36,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 187 transitions, 454 flow [2025-02-06 09:31:36,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2025-02-06 09:31:36,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8644859813084113 [2025-02-06 09:31:36,088 INFO L175 Difference]: Start difference. First operand has 195 places, 192 transitions, 402 flow. Second operand 3 states and 555 transitions. [2025-02-06 09:31:36,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 187 transitions, 454 flow [2025-02-06 09:31:36,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 444 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-06 09:31:36,100 INFO L231 Difference]: Finished difference. Result has 190 places, 184 transitions, 380 flow [2025-02-06 09:31:36,102 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=190, PETRI_TRANSITIONS=184} [2025-02-06 09:31:36,109 INFO L279 CegarLoopForPetriNet]: 195 programPoint places, -5 predicate places. [2025-02-06 09:31:36,109 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 184 transitions, 380 flow [2025-02-06 09:31:36,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2025-02-06 09:31:36,110 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:36,110 INFO L206 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] [2025-02-06 09:31:36,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:31:36,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:31:36,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:36,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1932115694, now seen corresponding path program 1 times [2025-02-06 09:31:36,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:36,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723997051] [2025-02-06 09:31:36,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:36,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:36,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 09:31:36,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 09:31:36,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:36,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:31:36,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:36,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723997051] [2025-02-06 09:31:36,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723997051] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:36,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:36,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:36,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661439540] [2025-02-06 09:31:36,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:36,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:36,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:36,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:36,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:36,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 214 [2025-02-06 09:31:36,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 184 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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) [2025-02-06 09:31:36,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:36,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 214 [2025-02-06 09:31:36,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:37,895 INFO L124 PetriNetUnfolderBase]: 6504/17116 cut-off events. [2025-02-06 09:31:37,895 INFO L125 PetriNetUnfolderBase]: For 409/409 co-relation queries the response was YES. [2025-02-06 09:31:37,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27285 conditions, 17116 events. 6504/17116 cut-off events. For 409/409 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 184556 event pairs, 4815 based on Foata normal form. 0/15611 useless extension candidates. Maximal degree in co-relation 27209. Up to 8669 conditions per place. [2025-02-06 09:31:37,949 INFO L140 encePairwiseOnDemand]: 205/214 looper letters, 0 selfloop transitions, 0 changer transitions 185/185 dead transitions. [2025-02-06 09:31:37,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 185 transitions, 467 flow [2025-02-06 09:31:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2025-02-06 09:31:37,951 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8520249221183801 [2025-02-06 09:31:37,951 INFO L175 Difference]: Start difference. First operand has 190 places, 184 transitions, 380 flow. Second operand 3 states and 547 transitions. [2025-02-06 09:31:37,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 185 transitions, 467 flow [2025-02-06 09:31:37,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 185 transitions, 463 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:37,952 INFO L231 Difference]: Finished difference. Result has 181 places, 0 transitions, 0 flow [2025-02-06 09:31:37,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=181, PETRI_TRANSITIONS=0} [2025-02-06 09:31:37,954 INFO L279 CegarLoopForPetriNet]: 195 programPoint places, -14 predicate places. [2025-02-06 09:31:37,954 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 0 transitions, 0 flow [2025-02-06 09:31:37,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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) [2025-02-06 09:31:37,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2025-02-06 09:31:37,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2025-02-06 09:31:37,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2025-02-06 09:31:37,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2025-02-06 09:31:37,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2025-02-06 09:31:37,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2025-02-06 09:31:37,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2025-02-06 09:31:37,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 17 remaining) [2025-02-06 09:31:37,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2025-02-06 09:31:37,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2025-02-06 09:31:37,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:31:37,961 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 09:31:37,968 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:31:37,968 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:31:37,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:31:37 BasicIcfg [2025-02-06 09:31:37,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:31:37,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:31:37,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:31:37,974 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:31:37,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:34" (3/4) ... [2025-02-06 09:31:37,976 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:31:37,978 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:31:37,978 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:31:37,978 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-06 09:31:37,979 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-02-06 09:31:37,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-06 09:31:37,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:31:37,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 09:31:37,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:31:38,039 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:31:38,040 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:31:38,040 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:31:38,041 INFO L158 Benchmark]: Toolchain (without parser) took 4593.05ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 112.0MB in the beginning and 291.7MB in the end (delta: -179.7MB). Peak memory consumption was 293.9MB. Max. memory is 16.1GB. [2025-02-06 09:31:38,041 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:38,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.16ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 99.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:38,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.04ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:38,042 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.9MB in the end (delta: 873.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:38,043 INFO L158 Benchmark]: IcfgBuilder took 496.13ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 75.4MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:31:38,043 INFO L158 Benchmark]: TraceAbstraction took 3748.99ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 75.0MB in the beginning and 295.8MB in the end (delta: -220.8MB). Peak memory consumption was 428.1MB. Max. memory is 16.1GB. [2025-02-06 09:31:38,043 INFO L158 Benchmark]: Witness Printer took 65.83ms. Allocated memory is still 620.8MB. Free memory was 295.8MB in the beginning and 291.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:38,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.16ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 99.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.04ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.9MB in the end (delta: 873.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 496.13ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 75.4MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3748.99ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 75.0MB in the beginning and 295.8MB in the end (delta: -220.8MB). Peak memory consumption was 428.1MB. Max. memory is 16.1GB. * Witness Printer took 65.83ms. Allocated memory is still 620.8MB. Free memory was 295.8MB in the beginning and 291.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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 9 procedures, 296 locations, 17 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: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 6 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:31:38,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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