./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd --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 a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:56:44,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:56:44,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 12:56:44,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:56:44,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:56:44,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:56:44,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:56:44,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:56:44,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:56:44,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:56:44,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:56:44,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:56:44,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:56:44,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:56:44,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:56:44,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:56:44,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:56:44,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:56:44,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:56:44,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:56:44,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:56:44,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:56:44,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:56:44,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:56:44,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:56:44,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:56:44,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:56:44,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:56:44,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:56:44,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:56:44,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:56:44,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:56:44,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:56:44,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:56:44,395 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd 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 -> a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 [2024-11-13 12:56:44,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:56:44,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:56:44,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:56:44,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:56:44,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:56:44,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-atomic/szymanski.i Unable to find full path for "g++" [2024-11-13 12:56:46,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:56:47,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:56:47,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-13 12:56:47,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/data/a2aa33d6c/6e5f494e633e4b72b65d8fec185ebaf7/FLAGb12ce42c0 [2024-11-13 12:56:47,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/data/a2aa33d6c/6e5f494e633e4b72b65d8fec185ebaf7 [2024-11-13 12:56:47,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:56:47,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:56:47,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:56:47,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:56:47,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:56:47,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acd5026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47, skipping insertion in model container [2024-11-13 12:56:47,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:56:47,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:56:47,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:56:47,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:56:47,804 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:56:47,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47 WrapperNode [2024-11-13 12:56:47,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:56:47,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:56:47,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:56:47,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:56:47,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,857 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-13 12:56:47,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:56:47,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:56:47,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:56:47,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:56:47,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:56:47,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:56:47,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:56:47,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:56:47,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (1/1) ... [2024-11-13 12:56:47,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:56:47,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:56:47,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:56:47,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:56:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-13 12:56:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-13 12:56:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 12:56:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 12:56:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:56:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:56:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:56:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:56:47,984 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:56:48,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:56:48,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:56:48,354 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:56:48,354 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:56:48,365 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:56:48,365 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 12:56:48,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:56:48 BoogieIcfgContainer [2024-11-13 12:56:48,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:56:48,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:56:48,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:56:48,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:56:48,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:56:47" (1/3) ... [2024-11-13 12:56:48,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6a000f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:56:48, skipping insertion in model container [2024-11-13 12:56:48,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:56:47" (2/3) ... [2024-11-13 12:56:48,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6a000f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:56:48, skipping insertion in model container [2024-11-13 12:56:48,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:56:48" (3/3) ... [2024-11-13 12:56:48,375 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-11-13 12:56:48,391 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:56:48,393 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG szymanski.i that has 3 procedures, 88 locations, 1 initial locations, 8 loop locations, and 4 error locations. [2024-11-13 12:56:48,393 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:56:48,480 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 12:56:48,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 109 transitions, 232 flow [2024-11-13 12:56:48,597 INFO L124 PetriNetUnfolderBase]: 22/107 cut-off events. [2024-11-13 12:56:48,599 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 12:56:48,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 107 events. 22/107 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 135 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 86. Up to 3 conditions per place. [2024-11-13 12:56:48,606 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 109 transitions, 232 flow [2024-11-13 12:56:48,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 102 transitions, 213 flow [2024-11-13 12:56:48,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:56:48,633 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;@1033dfc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:56:48,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-13 12:56:48,648 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 12:56:48,649 INFO L124 PetriNetUnfolderBase]: 9/50 cut-off events. [2024-11-13 12:56:48,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:56:48,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:56:48,649 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] [2024-11-13 12:56:48,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 12:56:48,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:56:48,655 INFO L85 PathProgramCache]: Analyzing trace with hash -314713428, now seen corresponding path program 1 times [2024-11-13 12:56:48,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:56:48,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106272488] [2024-11-13 12:56:48,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:56:48,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:56:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:56:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:56:48,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:56:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106272488] [2024-11-13 12:56:48,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106272488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:56:48,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:56:48,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:56:48,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308081947] [2024-11-13 12:56:48,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:56:48,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:56:48,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:56:48,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:56:48,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:56:48,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-13 12:56:48,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 102 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-13 12:56:48,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:56:48,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-13 12:56:48,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:56:49,077 INFO L124 PetriNetUnfolderBase]: 40/222 cut-off events. [2024-11-13 12:56:49,078 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 12:56:49,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 222 events. 40/222 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 834 event pairs, 11 based on Foata normal form. 60/234 useless extension candidates. Maximal degree in co-relation 259. Up to 42 conditions per place. [2024-11-13 12:56:49,082 INFO L140 encePairwiseOnDemand]: 91/109 looper letters, 11 selfloop transitions, 5 changer transitions 0/93 dead transitions. [2024-11-13 12:56:49,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 230 flow [2024-11-13 12:56:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:56:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:56:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-13 12:56:49,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868501529051988 [2024-11-13 12:56:49,098 INFO L175 Difference]: Start difference. First operand has 87 places, 102 transitions, 213 flow. Second operand 3 states and 290 transitions. [2024-11-13 12:56:49,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 230 flow [2024-11-13 12:56:49,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 12:56:49,107 INFO L231 Difference]: Finished difference. Result has 86 places, 92 transitions, 218 flow [2024-11-13 12:56:49,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=86, PETRI_TRANSITIONS=92} [2024-11-13 12:56:49,113 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -1 predicate places. [2024-11-13 12:56:49,114 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 92 transitions, 218 flow [2024-11-13 12:56:49,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-13 12:56:49,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:56:49,114 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] [2024-11-13 12:56:49,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:56:49,115 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 12:56:49,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:56:49,116 INFO L85 PathProgramCache]: Analyzing trace with hash 286263903, now seen corresponding path program 1 times [2024-11-13 12:56:49,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:56:49,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698302925] [2024-11-13 12:56:49,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:56:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:56:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:56:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:56:49,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:56:49,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698302925] [2024-11-13 12:56:49,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698302925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:56:49,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:56:49,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:56:49,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308465412] [2024-11-13 12:56:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:56:49,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:56:49,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:56:49,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:56:49,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:56:49,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-13 12:56:49,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 92 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-13 12:56:49,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:56:49,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-13 12:56:49,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:56:49,384 INFO L124 PetriNetUnfolderBase]: 51/296 cut-off events. [2024-11-13 12:56:49,384 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-13 12:56:49,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 296 events. 51/296 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1263 event pairs, 6 based on Foata normal form. 1/240 useless extension candidates. Maximal degree in co-relation 212. Up to 46 conditions per place. [2024-11-13 12:56:49,387 INFO L140 encePairwiseOnDemand]: 101/109 looper letters, 13 selfloop transitions, 6 changer transitions 2/100 dead transitions. [2024-11-13 12:56:49,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 100 transitions, 287 flow [2024-11-13 12:56:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:56:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:56:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-13 12:56:49,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2024-11-13 12:56:49,390 INFO L175 Difference]: Start difference. First operand has 86 places, 92 transitions, 218 flow. Second operand 3 states and 276 transitions. [2024-11-13 12:56:49,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 100 transitions, 287 flow [2024-11-13 12:56:49,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 100 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:56:49,393 INFO L231 Difference]: Finished difference. Result has 88 places, 96 transitions, 260 flow [2024-11-13 12:56:49,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=88, PETRI_TRANSITIONS=96} [2024-11-13 12:56:49,394 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2024-11-13 12:56:49,394 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 96 transitions, 260 flow [2024-11-13 12:56:49,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-13 12:56:49,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:56:49,394 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] [2024-11-13 12:56:49,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:56:49,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 12:56:49,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:56:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1323319197, now seen corresponding path program 1 times [2024-11-13 12:56:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:56:49,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333631031] [2024-11-13 12:56:49,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:56:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:56:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:56:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:56:49,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:56:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333631031] [2024-11-13 12:56:49,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333631031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:56:49,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:56:49,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:56:49,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171241794] [2024-11-13 12:56:49,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:56:49,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:56:49,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:56:49,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:56:49,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:56:49,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-13 12:56:49,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 96 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-13 12:56:49,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:56:49,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-13 12:56:49,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:56:49,617 INFO L124 PetriNetUnfolderBase]: 71/342 cut-off events. [2024-11-13 12:56:49,618 INFO L125 PetriNetUnfolderBase]: For 131/131 co-relation queries the response was YES. [2024-11-13 12:56:49,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 342 events. 71/342 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1651 event pairs, 12 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 216. Up to 72 conditions per place. [2024-11-13 12:56:49,621 INFO L140 encePairwiseOnDemand]: 103/109 looper letters, 12 selfloop transitions, 7 changer transitions 3/101 dead transitions. [2024-11-13 12:56:49,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 101 transitions, 321 flow [2024-11-13 12:56:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:56:49,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:56:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-13 12:56:49,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8318042813455657 [2024-11-13 12:56:49,624 INFO L175 Difference]: Start difference. First operand has 88 places, 96 transitions, 260 flow. Second operand 3 states and 272 transitions. [2024-11-13 12:56:49,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 101 transitions, 321 flow [2024-11-13 12:56:49,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 307 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:56:49,630 INFO L231 Difference]: Finished difference. Result has 90 places, 98 transitions, 290 flow [2024-11-13 12:56:49,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=90, PETRI_TRANSITIONS=98} [2024-11-13 12:56:49,631 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2024-11-13 12:56:49,632 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 98 transitions, 290 flow [2024-11-13 12:56:49,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-13 12:56:49,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:56:49,633 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] [2024-11-13 12:56:49,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:56:49,634 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 12:56:49,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:56:49,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1878584293, now seen corresponding path program 1 times [2024-11-13 12:56:49,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:56:49,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416733362] [2024-11-13 12:56:49,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:56:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:56:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:56:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:56:49,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:56:49,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416733362] [2024-11-13 12:56:49,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416733362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:56:49,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:56:49,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:56:49,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638042070] [2024-11-13 12:56:49,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:56:49,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:56:49,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:56:49,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:56:49,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:56:49,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 109 [2024-11-13 12:56:49,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 98 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-13 12:56:49,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:56:49,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 109 [2024-11-13 12:56:49,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:56:49,980 INFO L124 PetriNetUnfolderBase]: 106/464 cut-off events. [2024-11-13 12:56:49,980 INFO L125 PetriNetUnfolderBase]: For 99/115 co-relation queries the response was YES. [2024-11-13 12:56:49,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 464 events. 106/464 cut-off events. For 99/115 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2442 event pairs, 25 based on Foata normal form. 18/413 useless extension candidates. Maximal degree in co-relation 678. Up to 84 conditions per place. [2024-11-13 12:56:49,983 INFO L140 encePairwiseOnDemand]: 99/109 looper letters, 14 selfloop transitions, 6 changer transitions 1/105 dead transitions. [2024-11-13 12:56:49,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 349 flow [2024-11-13 12:56:49,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:56:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:56:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-11-13 12:56:49,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8287461773700305 [2024-11-13 12:56:49,986 INFO L175 Difference]: Start difference. First operand has 90 places, 98 transitions, 290 flow. Second operand 3 states and 271 transitions. [2024-11-13 12:56:49,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 349 flow [2024-11-13 12:56:49,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 335 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:56:49,996 INFO L231 Difference]: Finished difference. Result has 92 places, 103 transitions, 328 flow [2024-11-13 12:56:49,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=92, PETRI_TRANSITIONS=103} [2024-11-13 12:56:49,997 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 5 predicate places. [2024-11-13 12:56:49,997 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 103 transitions, 328 flow [2024-11-13 12:56:49,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-13 12:56:49,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:56:49,998 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] [2024-11-13 12:56:49,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:56:49,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-13 12:56:49,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:56:49,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1746438933, now seen corresponding path program 2 times [2024-11-13 12:56:49,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:56:49,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285972627] [2024-11-13 12:56:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:56:49,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:56:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:56:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:56:50,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:56:50,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285972627] [2024-11-13 12:56:50,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285972627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:56:50,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:56:50,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:56:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084130464] [2024-11-13 12:56:50,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:56:50,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:56:50,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:56:50,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:56:50,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:56:50,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 109 [2024-11-13 12:56:50,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 103 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-13 12:56:50,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:56:50,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 109 [2024-11-13 12:56:50,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:56:50,246 INFO L124 PetriNetUnfolderBase]: 137/470 cut-off events. [2024-11-13 12:56:50,247 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-13 12:56:50,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 470 events. 137/470 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2106 event pairs, 31 based on Foata normal form. 23/462 useless extension candidates. Maximal degree in co-relation 728. Up to 82 conditions per place. [2024-11-13 12:56:50,249 INFO L140 encePairwiseOnDemand]: 99/109 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-13 12:56:50,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 98 transitions, 329 flow [2024-11-13 12:56:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:56:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:56:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-11-13 12:56:50,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8287461773700305 [2024-11-13 12:56:50,251 INFO L175 Difference]: Start difference. First operand has 92 places, 103 transitions, 328 flow. Second operand 3 states and 271 transitions. [2024-11-13 12:56:50,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 98 transitions, 329 flow [2024-11-13 12:56:50,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 98 transitions, 287 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-13 12:56:50,259 INFO L231 Difference]: Finished difference. Result has 84 places, 0 transitions, 0 flow [2024-11-13 12:56:50,259 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=84, PETRI_TRANSITIONS=0} [2024-11-13 12:56:50,260 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -3 predicate places. [2024-11-13 12:56:50,260 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 0 transitions, 0 flow [2024-11-13 12:56:50,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-13 12:56:50,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-13 12:56:50,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-13 12:56:50,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-13 12:56:50,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:56:50,267 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-13 12:56:50,274 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 12:56:50,274 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:56:50,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:56:50 BasicIcfg [2024-11-13 12:56:50,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:56:50,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:56:50,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:56:50,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:56:50,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:56:48" (3/4) ... [2024-11-13 12:56:50,290 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:56:50,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-13 12:56:50,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-13 12:56:50,299 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 12:56:50,299 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 12:56:50,299 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 12:56:50,299 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:56:50,388 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:56:50,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 12:56:50,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:56:50,390 INFO L158 Benchmark]: Toolchain (without parser) took 3259.60ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 38.8MB in the end (delta: 52.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 12:56:50,390 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:56:50,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.60ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 71.5MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:56:50,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.78ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:56:50,391 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:56:50,392 INFO L158 Benchmark]: RCFGBuilder took 462.91ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 55.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:56:50,393 INFO L158 Benchmark]: TraceAbstraction took 1915.38ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 43.2MB in the end (delta: 11.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-13 12:56:50,393 INFO L158 Benchmark]: Witness Printer took 104.69ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 38.8MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:56:50,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.60ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 71.5MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.78ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.91ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 55.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1915.38ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 43.2MB in the end (delta: 11.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Witness Printer took 104.69ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 38.8MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: 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 5 procedures, 146 locations, 10 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: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 40 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 12:56:50,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_419f2396-ba69-4485-a8f0-b305434dd5fe/bin/uautomizer-verify-qhAvR1uOyd/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