./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/security.wvr.c --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_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/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_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/security.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/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_85520b00-023d-4465-8969-2c586040b46a/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 0a3d6a7be4cff77b59978ea166f504665a94bd97447fe28973d9c58d928e868d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:29:51,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:29:51,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:29:51,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:29:51,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:29:51,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:29:51,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:29:51,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:29:51,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:29:51,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:29:51,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:29:51,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:29:51,196 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:29:51,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:29:51,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:29:51,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:29:51,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:29:51,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:29:51,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:29:51,199 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:29:51,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:29:51,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:29:51,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:29:51,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:29:51,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:29:51,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:51,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:29:51,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:29:51,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:29:51,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:29:51,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:29:51,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:29:51,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:29:51,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:29:51,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:29:51,202 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_85520b00-023d-4465-8969-2c586040b46a/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 -> 0a3d6a7be4cff77b59978ea166f504665a94bd97447fe28973d9c58d928e868d [2024-11-13 15:29:51,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:29:51,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:29:51,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:29:51,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:29:51,610 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:29:51,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/security.wvr.c Unable to find full path for "g++" [2024-11-13 15:29:54,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:29:54,533 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:29:54,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/sv-benchmarks/c/weaver/security.wvr.c [2024-11-13 15:29:54,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/data/c813b7351/a0431dfb32794738ba9b52baef0cf7b0/FLAGa6e04b613 [2024-11-13 15:29:54,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/data/c813b7351/a0431dfb32794738ba9b52baef0cf7b0 [2024-11-13 15:29:54,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:29:54,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:29:54,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:54,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:29:54,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:29:54,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:54,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9ad78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54, skipping insertion in model container [2024-11-13 15:29:54,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:54,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:29:54,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:54,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:29:54,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:54,949 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:29:54,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54 WrapperNode [2024-11-13 15:29:54,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:54,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:54,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:29:54,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:29:54,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:54,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,006 INFO L138 Inliner]: procedures = 20, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-13 15:29:55,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:55,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:29:55,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:29:55,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:29:55,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:29:55,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:29:55,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:29:55,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:29:55,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (1/1) ... [2024-11-13 15:29:55,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:55,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:29:55,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:29:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:29:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 15:29:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 15:29:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 15:29:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 15:29:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:29:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:29:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:29:55,138 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 15:29:55,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:29:55,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:29:55,624 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:29:55,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:29:55,641 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:29:55,641 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:29:55,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:55 BoogieIcfgContainer [2024-11-13 15:29:55,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:29:55,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:29:55,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:29:55,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:29:55,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:29:54" (1/3) ... [2024-11-13 15:29:55,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b44535e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:55, skipping insertion in model container [2024-11-13 15:29:55,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:54" (2/3) ... [2024-11-13 15:29:55,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b44535e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:55, skipping insertion in model container [2024-11-13 15:29:55,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:55" (3/3) ... [2024-11-13 15:29:55,656 INFO L112 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2024-11-13 15:29:55,678 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:29:55,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG security.wvr.c that has 3 procedures, 145 locations, 1 initial locations, 0 loop locations, and 17 error locations. [2024-11-13 15:29:55,680 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:29:55,828 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:29:55,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 147 transitions, 308 flow [2024-11-13 15:29:55,984 INFO L124 PetriNetUnfolderBase]: 3/145 cut-off events. [2024-11-13 15:29:55,987 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:29:55,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 145 events. 3/145 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 203 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-11-13 15:29:55,997 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 147 transitions, 308 flow [2024-11-13 15:29:56,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 128 transitions, 268 flow [2024-11-13 15:29:56,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:29:56,033 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;@7bd8a284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:29:56,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-13 15:29:56,045 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:29:56,045 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-13 15:29:56,045 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:29:56,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:56,050 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] [2024-11-13 15:29:56,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:56,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:56,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1652043013, now seen corresponding path program 1 times [2024-11-13 15:29:56,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:56,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18204924] [2024-11-13 15:29:56,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:56,342 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 15:29:56,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18204924] [2024-11-13 15:29:56,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18204924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:56,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:56,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:56,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509665918] [2024-11-13 15:29:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:56,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:56,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:56,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:56,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 147 [2024-11-13 15:29:56,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 128 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 15:29:56,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:56,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 147 [2024-11-13 15:29:56,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:56,671 INFO L124 PetriNetUnfolderBase]: 6/176 cut-off events. [2024-11-13 15:29:56,671 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2024-11-13 15:29:56,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 176 events. 6/176 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 402 event pairs, 3 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 150. Up to 16 conditions per place. [2024-11-13 15:29:56,679 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2024-11-13 15:29:56,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 127 transitions, 288 flow [2024-11-13 15:29:56,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2024-11-13 15:29:56,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9251700680272109 [2024-11-13 15:29:56,715 INFO L175 Difference]: Start difference. First operand has 133 places, 128 transitions, 268 flow. Second operand 3 states and 408 transitions. [2024-11-13 15:29:56,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 127 transitions, 288 flow [2024-11-13 15:29:56,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 127 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 15:29:56,737 INFO L231 Difference]: Finished difference. Result has 130 places, 127 transitions, 262 flow [2024-11-13 15:29:56,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=130, PETRI_TRANSITIONS=127} [2024-11-13 15:29:56,747 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -3 predicate places. [2024-11-13 15:29:56,747 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 127 transitions, 262 flow [2024-11-13 15:29:56,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 15:29:56,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:56,748 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] [2024-11-13 15:29:56,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:29:56,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:56,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1233895533, now seen corresponding path program 1 times [2024-11-13 15:29:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625135004] [2024-11-13 15:29:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:56,874 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 15:29:56,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:56,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625135004] [2024-11-13 15:29:56,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625135004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:56,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:56,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:56,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607746182] [2024-11-13 15:29:56,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:56,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:56,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:56,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:56,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:56,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-13 15:29:56,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 127 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 15:29:56,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:56,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-13 15:29:56,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:57,025 INFO L124 PetriNetUnfolderBase]: 8/170 cut-off events. [2024-11-13 15:29:57,025 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:29:57,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 170 events. 8/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 471 event pairs, 3 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 172. Up to 14 conditions per place. [2024-11-13 15:29:57,028 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2024-11-13 15:29:57,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 127 transitions, 283 flow [2024-11-13 15:29:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-13 15:29:57,032 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-13 15:29:57,033 INFO L175 Difference]: Start difference. First operand has 130 places, 127 transitions, 262 flow. Second operand 3 states and 416 transitions. [2024-11-13 15:29:57,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 127 transitions, 283 flow [2024-11-13 15:29:57,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 127 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:57,038 INFO L231 Difference]: Finished difference. Result has 129 places, 126 transitions, 260 flow [2024-11-13 15:29:57,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=129, PETRI_TRANSITIONS=126} [2024-11-13 15:29:57,039 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -4 predicate places. [2024-11-13 15:29:57,040 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 126 transitions, 260 flow [2024-11-13 15:29:57,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 15:29:57,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:57,041 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] [2024-11-13 15:29:57,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:29:57,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1432322502, now seen corresponding path program 1 times [2024-11-13 15:29:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:57,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495830206] [2024-11-13 15:29:57,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:57,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:57,112 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 15:29:57,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:57,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495830206] [2024-11-13 15:29:57,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495830206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:57,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:57,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:57,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120949158] [2024-11-13 15:29:57,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:57,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:57,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:57,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:57,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:57,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-13 15:29:57,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 126 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 15:29:57,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:57,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-13 15:29:57,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:57,199 INFO L124 PetriNetUnfolderBase]: 8/169 cut-off events. [2024-11-13 15:29:57,199 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-13 15:29:57,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 169 events. 8/169 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 290 event pairs, 2 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 154. Up to 14 conditions per place. [2024-11-13 15:29:57,203 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-11-13 15:29:57,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 126 transitions, 281 flow [2024-11-13 15:29:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-13 15:29:57,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-13 15:29:57,207 INFO L175 Difference]: Start difference. First operand has 129 places, 126 transitions, 260 flow. Second operand 3 states and 416 transitions. [2024-11-13 15:29:57,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 126 transitions, 281 flow [2024-11-13 15:29:57,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 126 transitions, 277 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:57,212 INFO L231 Difference]: Finished difference. Result has 128 places, 125 transitions, 258 flow [2024-11-13 15:29:57,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=128, PETRI_TRANSITIONS=125} [2024-11-13 15:29:57,214 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -5 predicate places. [2024-11-13 15:29:57,214 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 125 transitions, 258 flow [2024-11-13 15:29:57,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 15:29:57,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:57,215 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] [2024-11-13 15:29:57,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:29:57,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:57,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:57,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1053979864, now seen corresponding path program 1 times [2024-11-13 15:29:57,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:57,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778127332] [2024-11-13 15:29:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:57,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:57,285 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 15:29:57,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:57,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778127332] [2024-11-13 15:29:57,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778127332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:57,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:57,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:57,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530820742] [2024-11-13 15:29:57,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:57,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:57,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:57,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:57,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:57,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-13 15:29:57,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 125 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 15:29:57,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:57,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-13 15:29:57,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:57,366 INFO L124 PetriNetUnfolderBase]: 4/199 cut-off events. [2024-11-13 15:29:57,366 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:29:57,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 199 events. 4/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 628 event pairs, 1 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 167. Up to 8 conditions per place. [2024-11-13 15:29:57,369 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 9 selfloop transitions, 1 changer transitions 0/127 dead transitions. [2024-11-13 15:29:57,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 285 flow [2024-11-13 15:29:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2024-11-13 15:29:57,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9569160997732427 [2024-11-13 15:29:57,372 INFO L175 Difference]: Start difference. First operand has 128 places, 125 transitions, 258 flow. Second operand 3 states and 422 transitions. [2024-11-13 15:29:57,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 285 flow [2024-11-13 15:29:57,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 281 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:57,377 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 254 flow [2024-11-13 15:29:57,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-11-13 15:29:57,378 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -6 predicate places. [2024-11-13 15:29:57,379 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 254 flow [2024-11-13 15:29:57,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 15:29:57,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:57,380 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] [2024-11-13 15:29:57,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:29:57,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:57,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash 708059466, now seen corresponding path program 1 times [2024-11-13 15:29:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:57,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563389309] [2024-11-13 15:29:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:57,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:57,442 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 15:29:57,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:57,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563389309] [2024-11-13 15:29:57,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563389309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:57,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:57,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:57,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197658634] [2024-11-13 15:29:57,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:57,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:57,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:57,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:57,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:57,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-13 15:29:57,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 15:29:57,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:57,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-13 15:29:57,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:57,587 INFO L124 PetriNetUnfolderBase]: 11/300 cut-off events. [2024-11-13 15:29:57,588 INFO L125 PetriNetUnfolderBase]: For 4/11 co-relation queries the response was YES. [2024-11-13 15:29:57,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 300 events. 11/300 cut-off events. For 4/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1203 event pairs, 5 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 207. Up to 22 conditions per place. [2024-11-13 15:29:57,594 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-13 15:29:57,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 124 transitions, 277 flow [2024-11-13 15:29:57,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-13 15:29:57,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-13 15:29:57,598 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 254 flow. Second operand 3 states and 414 transitions. [2024-11-13 15:29:57,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 124 transitions, 277 flow [2024-11-13 15:29:57,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:29:57,605 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 255 flow [2024-11-13 15:29:57,606 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2024-11-13 15:29:57,607 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -6 predicate places. [2024-11-13 15:29:57,609 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 255 flow [2024-11-13 15:29:57,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 15:29:57,610 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:57,610 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 15:29:57,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:29:57,611 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:57,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:57,615 INFO L85 PathProgramCache]: Analyzing trace with hash 206179214, now seen corresponding path program 1 times [2024-11-13 15:29:57,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:57,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783436796] [2024-11-13 15:29:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:57,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:57,725 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 15:29:57,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:57,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783436796] [2024-11-13 15:29:57,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783436796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:57,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:57,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:57,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621692828] [2024-11-13 15:29:57,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:57,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:57,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:57,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:57,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:57,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-13 15:29:57,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 15:29:57,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:57,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-13 15:29:57,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:57,846 INFO L124 PetriNetUnfolderBase]: 11/299 cut-off events. [2024-11-13 15:29:57,847 INFO L125 PetriNetUnfolderBase]: For 6/13 co-relation queries the response was YES. [2024-11-13 15:29:57,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 299 events. 11/299 cut-off events. For 6/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1212 event pairs, 5 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 212. Up to 22 conditions per place. [2024-11-13 15:29:57,849 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2024-11-13 15:29:57,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 123 transitions, 278 flow [2024-11-13 15:29:57,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-13 15:29:57,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-13 15:29:57,852 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 255 flow. Second operand 3 states and 414 transitions. [2024-11-13 15:29:57,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 123 transitions, 278 flow [2024-11-13 15:29:57,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 123 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:57,856 INFO L231 Difference]: Finished difference. Result has 126 places, 122 transitions, 253 flow [2024-11-13 15:29:57,856 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=126, PETRI_TRANSITIONS=122} [2024-11-13 15:29:57,857 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -7 predicate places. [2024-11-13 15:29:57,858 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 122 transitions, 253 flow [2024-11-13 15:29:57,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 15:29:57,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:57,858 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:57,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:29:57,859 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:57,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1215516512, now seen corresponding path program 1 times [2024-11-13 15:29:57,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:57,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394410197] [2024-11-13 15:29:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:57,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:57,923 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 15:29:57,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:57,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394410197] [2024-11-13 15:29:57,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394410197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:57,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:57,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:57,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242674121] [2024-11-13 15:29:57,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:57,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:57,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:57,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:57,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 147 [2024-11-13 15:29:57,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 122 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:29:57,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:57,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 147 [2024-11-13 15:29:57,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:58,042 INFO L124 PetriNetUnfolderBase]: 9/261 cut-off events. [2024-11-13 15:29:58,042 INFO L125 PetriNetUnfolderBase]: For 6/12 co-relation queries the response was YES. [2024-11-13 15:29:58,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 261 events. 9/261 cut-off events. For 6/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 938 event pairs, 2 based on Foata normal form. 2/229 useless extension candidates. Maximal degree in co-relation 197. Up to 16 conditions per place. [2024-11-13 15:29:58,045 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 8 selfloop transitions, 1 changer transitions 0/122 dead transitions. [2024-11-13 15:29:58,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 122 transitions, 272 flow [2024-11-13 15:29:58,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-13 15:29:58,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478458049886621 [2024-11-13 15:29:58,051 INFO L175 Difference]: Start difference. First operand has 126 places, 122 transitions, 253 flow. Second operand 3 states and 418 transitions. [2024-11-13 15:29:58,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 122 transitions, 272 flow [2024-11-13 15:29:58,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:58,055 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 249 flow [2024-11-13 15:29:58,055 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2024-11-13 15:29:58,056 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-13 15:29:58,057 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 249 flow [2024-11-13 15:29:58,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 15:29:58,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:58,059 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:58,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:29:58,060 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:58,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:58,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1260704255, now seen corresponding path program 1 times [2024-11-13 15:29:58,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:58,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377560424] [2024-11-13 15:29:58,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:58,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:58,159 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 15:29:58,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:58,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377560424] [2024-11-13 15:29:58,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377560424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:58,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:58,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:58,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289333586] [2024-11-13 15:29:58,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:58,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:58,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:58,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:58,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:58,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-13 15:29:58,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 15:29:58,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:58,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-13 15:29:58,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:58,245 INFO L124 PetriNetUnfolderBase]: 6/274 cut-off events. [2024-11-13 15:29:58,245 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-11-13 15:29:58,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 274 events. 6/274 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 880 event pairs, 4 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 163. Up to 12 conditions per place. [2024-11-13 15:29:58,247 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 8 selfloop transitions, 1 changer transitions 0/122 dead transitions. [2024-11-13 15:29:58,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 122 transitions, 271 flow [2024-11-13 15:29:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2024-11-13 15:29:58,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546485260770975 [2024-11-13 15:29:58,249 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 249 flow. Second operand 3 states and 421 transitions. [2024-11-13 15:29:58,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 122 transitions, 271 flow [2024-11-13 15:29:58,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:29:58,257 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 248 flow [2024-11-13 15:29:58,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-13 15:29:58,258 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-13 15:29:58,261 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 248 flow [2024-11-13 15:29:58,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 15:29:58,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:58,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:58,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:29:58,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:58,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash -119724766, now seen corresponding path program 1 times [2024-11-13 15:29:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:58,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042905761] [2024-11-13 15:29:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:58,353 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 15:29:58,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042905761] [2024-11-13 15:29:58,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042905761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:58,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:58,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:58,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39420122] [2024-11-13 15:29:58,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:58,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:58,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:58,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:58,393 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-13 15:29:58,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 15:29:58,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:58,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-13 15:29:58,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:58,478 INFO L124 PetriNetUnfolderBase]: 28/362 cut-off events. [2024-11-13 15:29:58,478 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 15:29:58,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 362 events. 28/362 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1749 event pairs, 16 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 295. Up to 70 conditions per place. [2024-11-13 15:29:58,481 INFO L140 encePairwiseOnDemand]: 143/147 looper letters, 10 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-11-13 15:29:58,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 275 flow [2024-11-13 15:29:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-13 15:29:58,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-13 15:29:58,483 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 248 flow. Second operand 3 states and 416 transitions. [2024-11-13 15:29:58,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 275 flow [2024-11-13 15:29:58,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 121 transitions, 274 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:29:58,487 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 257 flow [2024-11-13 15:29:58,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-13 15:29:58,489 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-13 15:29:58,489 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 257 flow [2024-11-13 15:29:58,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 15:29:58,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:58,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:58,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:29:58,490 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:58,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:58,490 INFO L85 PathProgramCache]: Analyzing trace with hash 326439841, now seen corresponding path program 1 times [2024-11-13 15:29:58,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:58,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593431313] [2024-11-13 15:29:58,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:58,537 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 15:29:58,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593431313] [2024-11-13 15:29:58,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593431313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:58,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:58,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:58,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772086259] [2024-11-13 15:29:58,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:58,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:58,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:58,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:58,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:58,566 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-13 15:29:58,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 15:29:58,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:58,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-13 15:29:58,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:58,643 INFO L124 PetriNetUnfolderBase]: 18/287 cut-off events. [2024-11-13 15:29:58,643 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2024-11-13 15:29:58,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 287 events. 18/287 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1162 event pairs, 10 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 193. Up to 34 conditions per place. [2024-11-13 15:29:58,645 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-13 15:29:58,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 120 transitions, 280 flow [2024-11-13 15:29:58,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-13 15:29:58,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-13 15:29:58,647 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 257 flow. Second operand 3 states and 414 transitions. [2024-11-13 15:29:58,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 120 transitions, 280 flow [2024-11-13 15:29:58,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 280 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:29:58,651 INFO L231 Difference]: Finished difference. Result has 126 places, 119 transitions, 259 flow [2024-11-13 15:29:58,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=126, PETRI_TRANSITIONS=119} [2024-11-13 15:29:58,654 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -7 predicate places. [2024-11-13 15:29:58,654 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 119 transitions, 259 flow [2024-11-13 15:29:58,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 15:29:58,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:58,655 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:29:58,655 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:58,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1458058907, now seen corresponding path program 1 times [2024-11-13 15:29:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353738997] [2024-11-13 15:29:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:58,726 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 15:29:58,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:58,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353738997] [2024-11-13 15:29:58,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353738997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:58,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:58,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:58,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007751275] [2024-11-13 15:29:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:58,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:58,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:58,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:58,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:58,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-13 15:29:58,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 119 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 15:29:58,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:58,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-13 15:29:58,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:58,847 INFO L124 PetriNetUnfolderBase]: 18/284 cut-off events. [2024-11-13 15:29:58,848 INFO L125 PetriNetUnfolderBase]: For 23/25 co-relation queries the response was YES. [2024-11-13 15:29:58,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 284 events. 18/284 cut-off events. For 23/25 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1153 event pairs, 10 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 247. Up to 34 conditions per place. [2024-11-13 15:29:58,849 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-13 15:29:58,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 282 flow [2024-11-13 15:29:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-13 15:29:58,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-13 15:29:58,852 INFO L175 Difference]: Start difference. First operand has 126 places, 119 transitions, 259 flow. Second operand 3 states and 414 transitions. [2024-11-13 15:29:58,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 282 flow [2024-11-13 15:29:58,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 119 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:58,857 INFO L231 Difference]: Finished difference. Result has 125 places, 118 transitions, 257 flow [2024-11-13 15:29:58,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=125, PETRI_TRANSITIONS=118} [2024-11-13 15:29:58,859 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-13 15:29:58,859 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 118 transitions, 257 flow [2024-11-13 15:29:58,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 15:29:58,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:58,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:58,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:29:58,860 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:58,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1313807461, now seen corresponding path program 1 times [2024-11-13 15:29:58,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:58,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343893568] [2024-11-13 15:29:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:58,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:58,937 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 15:29:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343893568] [2024-11-13 15:29:58,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343893568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:58,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:58,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:58,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672609374] [2024-11-13 15:29:58,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:58,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:58,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:58,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:58,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-13 15:29:58,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 118 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 15:29:58,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:58,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-13 15:29:58,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:59,044 INFO L124 PetriNetUnfolderBase]: 12/326 cut-off events. [2024-11-13 15:29:59,045 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2024-11-13 15:29:59,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 326 events. 12/326 cut-off events. For 6/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1335 event pairs, 4 based on Foata normal form. 4/300 useless extension candidates. Maximal degree in co-relation 304. Up to 25 conditions per place. [2024-11-13 15:29:59,047 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2024-11-13 15:29:59,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 278 flow [2024-11-13 15:29:59,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-13 15:29:59,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-13 15:29:59,049 INFO L175 Difference]: Start difference. First operand has 125 places, 118 transitions, 257 flow. Second operand 3 states and 416 transitions. [2024-11-13 15:29:59,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 278 flow [2024-11-13 15:29:59,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 118 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:59,052 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 255 flow [2024-11-13 15:29:59,052 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2024-11-13 15:29:59,053 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -9 predicate places. [2024-11-13 15:29:59,053 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 255 flow [2024-11-13 15:29:59,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 15:29:59,054 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:59,054 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:59,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:29:59,054 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:59,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:59,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1163742355, now seen corresponding path program 1 times [2024-11-13 15:29:59,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:59,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379844296] [2024-11-13 15:29:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:59,116 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 15:29:59,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:59,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379844296] [2024-11-13 15:29:59,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379844296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:59,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:59,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:59,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422462816] [2024-11-13 15:29:59,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:59,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:59,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:59,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:59,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:59,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 147 [2024-11-13 15:29:59,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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 15:29:59,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:59,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 147 [2024-11-13 15:29:59,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:59,204 INFO L124 PetriNetUnfolderBase]: 16/272 cut-off events. [2024-11-13 15:29:59,204 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-13 15:29:59,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 272 events. 16/272 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1072 event pairs, 8 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 194. Up to 24 conditions per place. [2024-11-13 15:29:59,205 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 8 selfloop transitions, 1 changer transitions 0/117 dead transitions. [2024-11-13 15:29:59,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 117 transitions, 274 flow [2024-11-13 15:29:59,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-13 15:29:59,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478458049886621 [2024-11-13 15:29:59,207 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 255 flow. Second operand 3 states and 418 transitions. [2024-11-13 15:29:59,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 117 transitions, 274 flow [2024-11-13 15:29:59,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 117 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:59,210 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 251 flow [2024-11-13 15:29:59,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=123, PETRI_TRANSITIONS=116} [2024-11-13 15:29:59,212 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2024-11-13 15:29:59,212 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 251 flow [2024-11-13 15:29:59,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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 15:29:59,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:59,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:59,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:29:59,213 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:59,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:59,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1795930344, now seen corresponding path program 1 times [2024-11-13 15:29:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122843016] [2024-11-13 15:29:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:59,283 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 15:29:59,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:59,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122843016] [2024-11-13 15:29:59,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122843016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:59,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:59,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924299240] [2024-11-13 15:29:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:59,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:59,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:59,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-13 15:29:59,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 15:29:59,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:59,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-13 15:29:59,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:59,367 INFO L124 PetriNetUnfolderBase]: 20/234 cut-off events. [2024-11-13 15:29:59,367 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2024-11-13 15:29:59,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 234 events. 20/234 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 815 event pairs, 8 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 178. Up to 41 conditions per place. [2024-11-13 15:29:59,368 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-11-13 15:29:59,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 116 transitions, 272 flow [2024-11-13 15:29:59,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-13 15:29:59,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-13 15:29:59,370 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 251 flow. Second operand 3 states and 416 transitions. [2024-11-13 15:29:59,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 116 transitions, 272 flow [2024-11-13 15:29:59,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 116 transitions, 271 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:29:59,374 INFO L231 Difference]: Finished difference. Result has 123 places, 115 transitions, 252 flow [2024-11-13 15:29:59,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2024-11-13 15:29:59,376 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2024-11-13 15:29:59,376 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 252 flow [2024-11-13 15:29:59,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 15:29:59,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:59,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:59,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:29:59,378 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:59,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:59,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1475737072, now seen corresponding path program 1 times [2024-11-13 15:29:59,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:59,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840890991] [2024-11-13 15:29:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:59,451 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 15:29:59,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:59,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840890991] [2024-11-13 15:29:59,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840890991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:59,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:59,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:59,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65118015] [2024-11-13 15:29:59,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:59,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:59,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:59,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:59,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:59,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-13 15:29:59,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:29:59,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:59,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-13 15:29:59,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:59,569 INFO L124 PetriNetUnfolderBase]: 6/290 cut-off events. [2024-11-13 15:29:59,569 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-13 15:29:59,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 290 events. 6/290 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1071 event pairs, 2 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 266. Up to 16 conditions per place. [2024-11-13 15:29:59,571 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 6 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2024-11-13 15:29:59,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 114 transitions, 264 flow [2024-11-13 15:29:59,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2024-11-13 15:29:59,574 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9501133786848073 [2024-11-13 15:29:59,574 INFO L175 Difference]: Start difference. First operand has 123 places, 115 transitions, 252 flow. Second operand 3 states and 419 transitions. [2024-11-13 15:29:59,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 114 transitions, 264 flow [2024-11-13 15:29:59,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 114 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:29:59,579 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 248 flow [2024-11-13 15:29:59,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-11-13 15:29:59,580 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -11 predicate places. [2024-11-13 15:29:59,580 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 248 flow [2024-11-13 15:29:59,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:29:59,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:29:59,581 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:59,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:29:59,582 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-13 15:29:59,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash -864598165, now seen corresponding path program 1 times [2024-11-13 15:29:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:59,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502199527] [2024-11-13 15:29:59,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:59,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:59,653 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 15:29:59,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:59,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502199527] [2024-11-13 15:29:59,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502199527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:59,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:59,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:59,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367367225] [2024-11-13 15:29:59,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:59,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:29:59,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:59,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:29:59,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:29:59,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-13 15:29:59,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:29:59,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:29:59,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-13 15:29:59,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:29:59,729 INFO L124 PetriNetUnfolderBase]: 8/198 cut-off events. [2024-11-13 15:29:59,729 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-13 15:29:59,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 198 events. 8/198 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 560 event pairs, 4 based on Foata normal form. 4/192 useless extension candidates. Maximal degree in co-relation 232. Up to 23 conditions per place. [2024-11-13 15:29:59,730 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2024-11-13 15:29:59,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 113 transitions, 258 flow [2024-11-13 15:29:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:29:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:29:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-13 15:29:59,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478458049886621 [2024-11-13 15:29:59,733 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 248 flow. Second operand 3 states and 418 transitions. [2024-11-13 15:29:59,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 113 transitions, 258 flow [2024-11-13 15:29:59,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 113 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:29:59,737 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-11-13 15:29:59,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2024-11-13 15:29:59,738 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -11 predicate places. [2024-11-13 15:29:59,738 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-11-13 15:29:59,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 15:29:59,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2024-11-13 15:29:59,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-13 15:29:59,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 33 remaining) [2024-11-13 15:29:59,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-13 15:29:59,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-13 15:29:59,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-13 15:29:59,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-13 15:29:59,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-13 15:29:59,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:29:59,748 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:59,759 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:29:59,759 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:29:59,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:29:59 BasicIcfg [2024-11-13 15:29:59,769 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:29:59,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:29:59,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:29:59,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:29:59,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:55" (3/4) ... [2024-11-13 15:29:59,773 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:29:59,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 15:29:59,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 15:29:59,785 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 15:29:59,785 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:29:59,785 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:29:59,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:29:59,891 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:29:59,892 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:29:59,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:29:59,893 INFO L158 Benchmark]: Toolchain (without parser) took 5322.44ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 79.8MB in the end (delta: 37.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-13 15:29:59,894 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:59,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.93ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:59,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.13ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:59,897 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.1MB in the end (delta: 780.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:59,898 INFO L158 Benchmark]: RCFGBuilder took 589.65ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 89.5MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:59,898 INFO L158 Benchmark]: TraceAbstraction took 4123.98ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 84.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:59,902 INFO L158 Benchmark]: Witness Printer took 122.19ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 79.8MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:59,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.93ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.13ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.1MB in the end (delta: 780.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 589.65ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 89.5MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4123.98ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 84.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 122.19ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 79.8MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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, 231 locations, 33 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: 3.9s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 325 IncrementalHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 54 mSDtfsCounter, 325 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 785 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:29:59,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85520b00-023d-4465-8969-2c586040b46a/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