./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-dist.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_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/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_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/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_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/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 c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:19:54,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:19:54,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:19:54,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:19:54,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:19:54,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:19:54,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:19:54,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:19:54,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:19:54,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:19:54,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:19:54,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:19:54,265 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:19:54,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:19:54,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:19:54,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:19:54,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:19:54,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:19:54,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:19:54,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:19:54,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:19:54,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:19:54,268 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:19:54,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:19:54,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:19:54,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:19:54,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:19:54,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:19:54,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:19:54,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:19:54,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:19:54,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:19:54,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:19:54,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:19:54,270 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_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/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 -> c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c [2024-11-13 15:19:54,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:19:54,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:19:54,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:19:54,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:19:54,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:19:54,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/mult-dist.wvr.c Unable to find full path for "g++" [2024-11-13 15:19:56,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:19:57,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:19:57,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/sv-benchmarks/c/weaver/mult-dist.wvr.c [2024-11-13 15:19:57,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/data/0b1c2b142/a158cccfaaf34204a18a5f8b8f9e2c3b/FLAGb8f2f8214 [2024-11-13 15:19:57,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/data/0b1c2b142/a158cccfaaf34204a18a5f8b8f9e2c3b [2024-11-13 15:19:57,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:19:57,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:19:57,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:19:57,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:19:57,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:19:57,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cbb1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57, skipping insertion in model container [2024-11-13 15:19:57,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:19:57,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:19:57,297 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:19:57,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:19:57,358 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:19:57,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57 WrapperNode [2024-11-13 15:19:57,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:19:57,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:19:57,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:19:57,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:19:57,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,400 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-13 15:19:57,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:19:57,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:19:57,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:19:57,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:19:57,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:19:57,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:19:57,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:19:57,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:19:57,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (1/1) ... [2024-11-13 15:19:57,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:19:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:57,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:57,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:19:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:19:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 15:19:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 15:19:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 15:19:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 15:19:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 15:19:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 15:19:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:19:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:19:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:19:57,510 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 15:19:57,621 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:19:57,624 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:19:57,986 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:19:57,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:19:58,014 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:19:58,015 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 15:19:58,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:58 BoogieIcfgContainer [2024-11-13 15:19:58,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:19:58,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:19:58,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:19:58,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:19:58,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:19:57" (1/3) ... [2024-11-13 15:19:58,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f010f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:19:58, skipping insertion in model container [2024-11-13 15:19:58,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:57" (2/3) ... [2024-11-13 15:19:58,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f010f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:19:58, skipping insertion in model container [2024-11-13 15:19:58,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:58" (3/3) ... [2024-11-13 15:19:58,034 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2024-11-13 15:19:58,055 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:19:58,058 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-dist.wvr.c that has 4 procedures, 165 locations, 1 initial locations, 3 loop locations, and 19 error locations. [2024-11-13 15:19:58,060 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:19:58,207 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 15:19:58,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 171 transitions, 363 flow [2024-11-13 15:19:58,386 INFO L124 PetriNetUnfolderBase]: 7/168 cut-off events. [2024-11-13 15:19:58,389 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 15:19:58,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 168 events. 7/168 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 265 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2024-11-13 15:19:58,400 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 171 transitions, 363 flow [2024-11-13 15:19:58,406 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 155 places, 151 transitions, 320 flow [2024-11-13 15:19:58,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:19:58,426 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;@445d281c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:19:58,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-13 15:19:58,435 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:19:58,435 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-13 15:19:58,435 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:19:58,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:19:58,436 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 15:19:58,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:19:58,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash -752269588, now seen corresponding path program 1 times [2024-11-13 15:19:58,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:58,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717284835] [2024-11-13 15:19:58,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:58,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:58,636 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 15:19:58,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:58,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717284835] [2024-11-13 15:19:58,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717284835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:58,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:58,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:19:58,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994091097] [2024-11-13 15:19:58,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:58,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:19:58,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:58,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:19:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:19:58,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 171 [2024-11-13 15:19:58,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 151 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 15:19:58,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:19:58,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 171 [2024-11-13 15:19:58,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:19:58,845 INFO L124 PetriNetUnfolderBase]: 11/226 cut-off events. [2024-11-13 15:19:58,845 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 15:19:58,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 226 events. 11/226 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 746 event pairs, 5 based on Foata normal form. 8/197 useless extension candidates. Maximal degree in co-relation 188. Up to 25 conditions per place. [2024-11-13 15:19:58,850 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 11 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-11-13 15:19:58,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 147 transitions, 338 flow [2024-11-13 15:19:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:19:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:19:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2024-11-13 15:19:58,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161793372319688 [2024-11-13 15:19:58,867 INFO L175 Difference]: Start difference. First operand has 155 places, 151 transitions, 320 flow. Second operand 3 states and 470 transitions. [2024-11-13 15:19:58,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 147 transitions, 338 flow [2024-11-13 15:19:58,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 147 transitions, 326 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 15:19:58,878 INFO L231 Difference]: Finished difference. Result has 150 places, 147 transitions, 304 flow [2024-11-13 15:19:58,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=150, PETRI_TRANSITIONS=147} [2024-11-13 15:19:58,884 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2024-11-13 15:19:58,885 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 147 transitions, 304 flow [2024-11-13 15:19:58,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 15:19:58,885 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:19:58,886 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] [2024-11-13 15:19:58,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:19:58,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:19:58,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:58,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1230313476, now seen corresponding path program 1 times [2024-11-13 15:19:58,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:58,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125130538] [2024-11-13 15:19:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:58,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:58,954 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 15:19:58,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:58,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125130538] [2024-11-13 15:19:58,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125130538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:58,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:58,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:19:58,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546918665] [2024-11-13 15:19:58,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:58,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:19:58,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:58,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:19:58,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:19:58,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 171 [2024-11-13 15:19:58,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 15:19:58,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:19:59,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 171 [2024-11-13 15:19:59,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:19:59,112 INFO L124 PetriNetUnfolderBase]: 14/229 cut-off events. [2024-11-13 15:19:59,112 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 15:19:59,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 229 events. 14/229 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 701 event pairs, 7 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 238. Up to 29 conditions per place. [2024-11-13 15:19:59,118 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 11 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-11-13 15:19:59,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 146 transitions, 328 flow [2024-11-13 15:19:59,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:19:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:19:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-11-13 15:19:59,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9103313840155945 [2024-11-13 15:19:59,123 INFO L175 Difference]: Start difference. First operand has 150 places, 147 transitions, 304 flow. Second operand 3 states and 467 transitions. [2024-11-13 15:19:59,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 146 transitions, 328 flow [2024-11-13 15:19:59,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 146 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:19:59,131 INFO L231 Difference]: Finished difference. Result has 149 places, 146 transitions, 302 flow [2024-11-13 15:19:59,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=149, PETRI_TRANSITIONS=146} [2024-11-13 15:19:59,132 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -6 predicate places. [2024-11-13 15:19:59,132 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 302 flow [2024-11-13 15:19:59,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 15:19:59,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:19:59,133 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] [2024-11-13 15:19:59,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:19:59,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:19:59,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1336312864, now seen corresponding path program 1 times [2024-11-13 15:19:59,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:59,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965159906] [2024-11-13 15:19:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:59,229 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 15:19:59,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:59,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965159906] [2024-11-13 15:19:59,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965159906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:59,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:59,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:19:59,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998512835] [2024-11-13 15:19:59,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:59,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:19:59,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:59,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:19:59,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:19:59,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 171 [2024-11-13 15:19:59,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 15:19:59,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:19:59,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 171 [2024-11-13 15:19:59,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:19:59,365 INFO L124 PetriNetUnfolderBase]: 22/288 cut-off events. [2024-11-13 15:19:59,365 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 15:19:59,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 288 events. 22/288 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1162 event pairs, 15 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 304. Up to 40 conditions per place. [2024-11-13 15:19:59,371 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-13 15:19:59,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 328 flow [2024-11-13 15:19:59,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:19:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:19:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2024-11-13 15:19:59,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9064327485380117 [2024-11-13 15:19:59,373 INFO L175 Difference]: Start difference. First operand has 149 places, 146 transitions, 302 flow. Second operand 3 states and 465 transitions. [2024-11-13 15:19:59,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 145 transitions, 328 flow [2024-11-13 15:19:59,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:19:59,378 INFO L231 Difference]: Finished difference. Result has 148 places, 145 transitions, 300 flow [2024-11-13 15:19:59,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=148, PETRI_TRANSITIONS=145} [2024-11-13 15:19:59,379 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -7 predicate places. [2024-11-13 15:19:59,379 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 300 flow [2024-11-13 15:19:59,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 15:19:59,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:19:59,380 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, 1, 1, 1, 1] [2024-11-13 15:19:59,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:19:59,380 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:19:59,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:59,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1184750738, now seen corresponding path program 1 times [2024-11-13 15:19:59,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:59,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776565618] [2024-11-13 15:19:59,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:59,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:59,476 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 15:19:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776565618] [2024-11-13 15:19:59,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776565618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:59,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:59,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:19:59,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872606464] [2024-11-13 15:19:59,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:59,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:19:59,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:59,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:19:59,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:19:59,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:19:59,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 15:19:59,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:19:59,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:19:59,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:19:59,665 INFO L124 PetriNetUnfolderBase]: 23/306 cut-off events. [2024-11-13 15:19:59,665 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 15:19:59,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 306 events. 23/306 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1256 event pairs, 6 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 319. Up to 41 conditions per place. [2024-11-13 15:19:59,669 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 13 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-11-13 15:19:59,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 147 transitions, 336 flow [2024-11-13 15:19:59,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:19:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:19:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-11-13 15:19:59,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9278752436647173 [2024-11-13 15:19:59,672 INFO L175 Difference]: Start difference. First operand has 148 places, 145 transitions, 300 flow. Second operand 3 states and 476 transitions. [2024-11-13 15:19:59,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 147 transitions, 336 flow [2024-11-13 15:19:59,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 147 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:19:59,679 INFO L231 Difference]: Finished difference. Result has 147 places, 145 transitions, 306 flow [2024-11-13 15:19:59,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=147, PETRI_TRANSITIONS=145} [2024-11-13 15:19:59,682 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -8 predicate places. [2024-11-13 15:19:59,682 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 145 transitions, 306 flow [2024-11-13 15:19:59,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 15:19:59,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:19:59,683 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] [2024-11-13 15:19:59,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:19:59,683 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:19:59,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:59,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1131599546, now seen corresponding path program 1 times [2024-11-13 15:19:59,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:59,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695262255] [2024-11-13 15:19:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:59,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:59,776 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 15:19:59,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:59,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695262255] [2024-11-13 15:19:59,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695262255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:59,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:59,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:19:59,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315489949] [2024-11-13 15:19:59,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:59,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:19:59,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:59,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:19:59,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:19:59,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:19:59,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 145 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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 15:19:59,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:19:59,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:19:59,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:19:59,871 INFO L124 PetriNetUnfolderBase]: 16/223 cut-off events. [2024-11-13 15:19:59,871 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:19:59,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 223 events. 16/223 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 736 event pairs, 2 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 191. Up to 14 conditions per place. [2024-11-13 15:19:59,874 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 10 selfloop transitions, 3 changer transitions 0/145 dead transitions. [2024-11-13 15:19:59,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 334 flow [2024-11-13 15:19:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:19:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:19:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-13 15:19:59,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-13 15:19:59,877 INFO L175 Difference]: Start difference. First operand has 147 places, 145 transitions, 306 flow. Second operand 3 states and 474 transitions. [2024-11-13 15:19:59,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 334 flow [2024-11-13 15:19:59,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 334 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:19:59,880 INFO L231 Difference]: Finished difference. Result has 147 places, 143 transitions, 308 flow [2024-11-13 15:19:59,881 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=147, PETRI_TRANSITIONS=143} [2024-11-13 15:19:59,882 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -8 predicate places. [2024-11-13 15:19:59,882 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 143 transitions, 308 flow [2024-11-13 15:19:59,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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 15:19:59,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:19:59,883 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 15:19:59,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:19:59,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:19:59,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:59,884 INFO L85 PathProgramCache]: Analyzing trace with hash -840424664, now seen corresponding path program 1 times [2024-11-13 15:19:59,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:59,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494636330] [2024-11-13 15:19:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:59,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:59,941 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 15:19:59,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:59,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494636330] [2024-11-13 15:19:59,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494636330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:59,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:59,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:19:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210370191] [2024-11-13 15:19:59,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:59,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:19:59,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:59,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:19:59,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:19:59,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 171 [2024-11-13 15:19:59,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 143 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 15:19:59,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:19:59,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 171 [2024-11-13 15:19:59,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:00,232 INFO L124 PetriNetUnfolderBase]: 121/974 cut-off events. [2024-11-13 15:20:00,233 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-13 15:20:00,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 974 events. 121/974 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 6784 event pairs, 25 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1015. Up to 166 conditions per place. [2024-11-13 15:20:00,243 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 18 selfloop transitions, 3 changer transitions 0/148 dead transitions. [2024-11-13 15:20:00,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 148 transitions, 365 flow [2024-11-13 15:20:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-13 15:20:00,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-13 15:20:00,249 INFO L175 Difference]: Start difference. First operand has 147 places, 143 transitions, 308 flow. Second operand 3 states and 474 transitions. [2024-11-13 15:20:00,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 148 transitions, 365 flow [2024-11-13 15:20:00,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 148 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:20:00,253 INFO L231 Difference]: Finished difference. Result has 145 places, 143 transitions, 317 flow [2024-11-13 15:20:00,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=145, PETRI_TRANSITIONS=143} [2024-11-13 15:20:00,255 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -10 predicate places. [2024-11-13 15:20:00,256 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 317 flow [2024-11-13 15:20:00,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 15:20:00,257 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:20:00,257 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] [2024-11-13 15:20:00,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:20:00,258 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:20:00,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:00,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1660600987, now seen corresponding path program 1 times [2024-11-13 15:20:00,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:00,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899641483] [2024-11-13 15:20:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:00,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:00,347 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 15:20:00,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:00,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899641483] [2024-11-13 15:20:00,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899641483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:00,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:00,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:00,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124744790] [2024-11-13 15:20:00,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:00,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:00,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:00,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:00,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:00,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:20:00,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 15:20:00,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:20:00,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:20:00,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:00,501 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([427] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][113], [140#L41-2true, Black: 193#true, 195#(= |#race~c~0| 0), 199#(= |#race~b~0| 0), 98#L57-4true, 50#L49-3true, Black: 186#true, 188#(= |#race~a~0| 0), 94#L74-4true]) [2024-11-13 15:20:00,502 INFO L294 olderBase$Statistics]: this new event has 83 ancestors and is cut-off event [2024-11-13 15:20:00,502 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2024-11-13 15:20:00,502 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2024-11-13 15:20:00,502 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-13 15:20:00,537 INFO L124 PetriNetUnfolderBase]: 131/907 cut-off events. [2024-11-13 15:20:00,537 INFO L125 PetriNetUnfolderBase]: For 29/40 co-relation queries the response was YES. [2024-11-13 15:20:00,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 907 events. 131/907 cut-off events. For 29/40 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 6412 event pairs, 40 based on Foata normal form. 0/787 useless extension candidates. Maximal degree in co-relation 919. Up to 151 conditions per place. [2024-11-13 15:20:00,546 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 13 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-13 15:20:00,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 145 transitions, 353 flow [2024-11-13 15:20:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-11-13 15:20:00,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9278752436647173 [2024-11-13 15:20:00,548 INFO L175 Difference]: Start difference. First operand has 145 places, 143 transitions, 317 flow. Second operand 3 states and 476 transitions. [2024-11-13 15:20:00,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 145 transitions, 353 flow [2024-11-13 15:20:00,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 145 transitions, 353 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:20:00,552 INFO L231 Difference]: Finished difference. Result has 146 places, 143 transitions, 327 flow [2024-11-13 15:20:00,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=146, PETRI_TRANSITIONS=143} [2024-11-13 15:20:00,553 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-13 15:20:00,553 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 143 transitions, 327 flow [2024-11-13 15:20:00,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 15:20:00,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:20:00,553 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] [2024-11-13 15:20:00,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:20:00,554 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:20:00,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:00,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1531117431, now seen corresponding path program 1 times [2024-11-13 15:20:00,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:00,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197363425] [2024-11-13 15:20:00,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:00,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:00,622 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 15:20:00,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:00,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197363425] [2024-11-13 15:20:00,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197363425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:00,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:00,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:00,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351253659] [2024-11-13 15:20:00,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:00,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:00,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:00,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:00,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:00,641 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:20:00,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 15:20:00,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:20:00,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:20:00,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:00,758 INFO L124 PetriNetUnfolderBase]: 79/591 cut-off events. [2024-11-13 15:20:00,758 INFO L125 PetriNetUnfolderBase]: For 12/16 co-relation queries the response was YES. [2024-11-13 15:20:00,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 591 events. 79/591 cut-off events. For 12/16 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3390 event pairs, 9 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 603. Up to 50 conditions per place. [2024-11-13 15:20:00,764 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 10 selfloop transitions, 3 changer transitions 0/143 dead transitions. [2024-11-13 15:20:00,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 143 transitions, 355 flow [2024-11-13 15:20:00,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-13 15:20:00,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-13 15:20:00,766 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 327 flow. Second operand 3 states and 474 transitions. [2024-11-13 15:20:00,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 143 transitions, 355 flow [2024-11-13 15:20:00,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 355 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:20:00,770 INFO L231 Difference]: Finished difference. Result has 146 places, 141 transitions, 329 flow [2024-11-13 15:20:00,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=146, PETRI_TRANSITIONS=141} [2024-11-13 15:20:00,772 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-13 15:20:00,772 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 141 transitions, 329 flow [2024-11-13 15:20:00,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 15:20:00,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:20:00,772 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] [2024-11-13 15:20:00,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:20:00,773 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:20:00,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1978348885, now seen corresponding path program 1 times [2024-11-13 15:20:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:00,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414939506] [2024-11-13 15:20:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:00,815 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 15:20:00,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:00,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414939506] [2024-11-13 15:20:00,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414939506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:00,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:00,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:00,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93096766] [2024-11-13 15:20:00,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:00,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:00,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:00,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:00,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:00,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:20:00,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 141 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 15:20:00,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:20:00,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:20:00,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:00,918 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([427] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][101], [201#true, 140#L41-2true, Black: 193#true, 195#(= |#race~c~0| 0), 199#(= |#race~b~0| 0), Black: 197#true, 98#L57-4true, Black: 186#true, 204#true, 92#L49-2true, 188#(= |#race~a~0| 0), 94#L74-4true]) [2024-11-13 15:20:00,919 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-13 15:20:00,919 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:00,919 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:00,919 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-13 15:20:00,930 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([396] L49-8-->L49-2: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][106], [201#true, 140#L41-2true, Black: 193#true, 195#(= |#race~c~0| 0), 199#(= |#race~b~0| 0), Black: 197#true, 98#L57-4true, Black: 186#true, 204#true, 188#(= |#race~a~0| 0), 92#L49-2true, 94#L74-4true]) [2024-11-13 15:20:00,930 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2024-11-13 15:20:00,930 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:00,931 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-13 15:20:00,931 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:00,949 INFO L124 PetriNetUnfolderBase]: 64/524 cut-off events. [2024-11-13 15:20:00,949 INFO L125 PetriNetUnfolderBase]: For 4/14 co-relation queries the response was YES. [2024-11-13 15:20:00,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 524 events. 64/524 cut-off events. For 4/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2911 event pairs, 13 based on Foata normal form. 1/471 useless extension candidates. Maximal degree in co-relation 520. Up to 40 conditions per place. [2024-11-13 15:20:00,953 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2024-11-13 15:20:00,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 142 transitions, 361 flow [2024-11-13 15:20:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-13 15:20:00,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-13 15:20:00,955 INFO L175 Difference]: Start difference. First operand has 146 places, 141 transitions, 329 flow. Second operand 3 states and 474 transitions. [2024-11-13 15:20:00,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 142 transitions, 361 flow [2024-11-13 15:20:00,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 142 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:20:00,958 INFO L231 Difference]: Finished difference. Result has 145 places, 140 transitions, 325 flow [2024-11-13 15:20:00,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=325, PETRI_PLACES=145, PETRI_TRANSITIONS=140} [2024-11-13 15:20:00,960 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -10 predicate places. [2024-11-13 15:20:00,960 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 140 transitions, 325 flow [2024-11-13 15:20:00,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 15:20:00,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:20:00,962 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] [2024-11-13 15:20:00,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:20:00,963 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:20:00,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:00,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1350308316, now seen corresponding path program 1 times [2024-11-13 15:20:00,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:00,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923157741] [2024-11-13 15:20:00,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:00,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:01,040 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 15:20:01,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:01,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923157741] [2024-11-13 15:20:01,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923157741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:01,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:01,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527129980] [2024-11-13 15:20:01,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:01,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:01,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:01,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:20:01,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 140 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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 15:20:01,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:20:01,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:20:01,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:01,209 INFO L124 PetriNetUnfolderBase]: 97/695 cut-off events. [2024-11-13 15:20:01,209 INFO L125 PetriNetUnfolderBase]: For 20/28 co-relation queries the response was YES. [2024-11-13 15:20:01,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 695 events. 97/695 cut-off events. For 20/28 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4381 event pairs, 21 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 823. Up to 62 conditions per place. [2024-11-13 15:20:01,217 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-13 15:20:01,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 357 flow [2024-11-13 15:20:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-13 15:20:01,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-13 15:20:01,219 INFO L175 Difference]: Start difference. First operand has 145 places, 140 transitions, 325 flow. Second operand 3 states and 474 transitions. [2024-11-13 15:20:01,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 357 flow [2024-11-13 15:20:01,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 353 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:20:01,223 INFO L231 Difference]: Finished difference. Result has 144 places, 139 transitions, 323 flow [2024-11-13 15:20:01,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=144, PETRI_TRANSITIONS=139} [2024-11-13 15:20:01,224 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -11 predicate places. [2024-11-13 15:20:01,225 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 139 transitions, 323 flow [2024-11-13 15:20:01,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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 15:20:01,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:20:01,225 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] [2024-11-13 15:20:01,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:20:01,226 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:20:01,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:01,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1654058659, now seen corresponding path program 1 times [2024-11-13 15:20:01,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:01,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747548931] [2024-11-13 15:20:01,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:01,290 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 15:20:01,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:01,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747548931] [2024-11-13 15:20:01,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747548931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:01,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:01,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:01,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125509068] [2024-11-13 15:20:01,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:01,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:01,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:01,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:01,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:20:01,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 139 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 15:20:01,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:20:01,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:20:01,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:01,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([427] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [140#L41-2true, Black: 193#true, 195#(= |#race~c~0| 0), 199#(= |#race~b~0| 0), Black: 197#true, 210#true, 98#L57-4true, 207#true, Black: 186#true, 92#L49-2true, 188#(= |#race~a~0| 0), 94#L74-4true]) [2024-11-13 15:20:01,384 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-13 15:20:01,384 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-13 15:20:01,384 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:01,385 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:01,400 INFO L124 PetriNetUnfolderBase]: 65/459 cut-off events. [2024-11-13 15:20:01,400 INFO L125 PetriNetUnfolderBase]: For 17/21 co-relation queries the response was YES. [2024-11-13 15:20:01,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 459 events. 65/459 cut-off events. For 17/21 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2387 event pairs, 8 based on Foata normal form. 2/427 useless extension candidates. Maximal degree in co-relation 522. Up to 46 conditions per place. [2024-11-13 15:20:01,404 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 8 selfloop transitions, 2 changer transitions 6/139 dead transitions. [2024-11-13 15:20:01,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 139 transitions, 349 flow [2024-11-13 15:20:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-13 15:20:01,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9220272904483431 [2024-11-13 15:20:01,407 INFO L175 Difference]: Start difference. First operand has 144 places, 139 transitions, 323 flow. Second operand 3 states and 473 transitions. [2024-11-13 15:20:01,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 139 transitions, 349 flow [2024-11-13 15:20:01,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 345 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:20:01,410 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 306 flow [2024-11-13 15:20:01,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2024-11-13 15:20:01,411 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -13 predicate places. [2024-11-13 15:20:01,411 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 306 flow [2024-11-13 15:20:01,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 15:20:01,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:20:01,412 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] [2024-11-13 15:20:01,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:20:01,412 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-13 15:20:01,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:01,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1986673944, now seen corresponding path program 1 times [2024-11-13 15:20:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171114716] [2024-11-13 15:20:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:01,456 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 15:20:01,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:01,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171114716] [2024-11-13 15:20:01,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171114716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:01,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:01,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:20:01,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666060772] [2024-11-13 15:20:01,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:01,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:20:01,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:01,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:20:01,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:20:01,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-13 15:20:01,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 15:20:01,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:20:01,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-13 15:20:01,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:20:01,556 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([427] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [140#L41-2true, Black: 193#true, 195#(= |#race~c~0| 0), 199#(= |#race~b~0| 0), Black: 197#true, 210#true, 213#true, 98#L57-4true, Black: 186#true, 92#L49-2true, 188#(= |#race~a~0| 0), 94#L74-4true]) [2024-11-13 15:20:01,557 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-13 15:20:01,557 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-13 15:20:01,557 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:01,557 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-13 15:20:01,578 INFO L124 PetriNetUnfolderBase]: 72/483 cut-off events. [2024-11-13 15:20:01,578 INFO L125 PetriNetUnfolderBase]: For 41/45 co-relation queries the response was YES. [2024-11-13 15:20:01,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 483 events. 72/483 cut-off events. For 41/45 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2428 event pairs, 18 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 527. Up to 62 conditions per place. [2024-11-13 15:20:01,581 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 0 selfloop transitions, 0 changer transitions 132/132 dead transitions. [2024-11-13 15:20:01,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 132 transitions, 334 flow [2024-11-13 15:20:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:20:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:20:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-11-13 15:20:01,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9200779727095516 [2024-11-13 15:20:01,583 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 306 flow. Second operand 3 states and 472 transitions. [2024-11-13 15:20:01,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 132 transitions, 334 flow [2024-11-13 15:20:01,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 132 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:20:01,586 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-11-13 15:20:01,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-11-13 15:20:01,587 INFO L277 CegarLoopForPetriNet]: 155 programPoint places, -20 predicate places. [2024-11-13 15:20:01,587 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-11-13 15:20:01,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-11-13 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-11-13 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-11-13 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-11-13 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-11-13 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-11-13 15:20:01,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-11-13 15:20:01,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-11-13 15:20:01,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-11-13 15:20:01,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-11-13 15:20:01,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-11-13 15:20:01,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:20:01,593 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:01,599 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:20:01,599 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:20:01,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:20:01 BasicIcfg [2024-11-13 15:20:01,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:20:01,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:20:01,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:20:01,606 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:20:01,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:58" (3/4) ... [2024-11-13 15:20:01,608 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:20:01,611 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 15:20:01,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 15:20:01,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 15:20:01,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 15:20:01,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:20:01,616 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:20:01,616 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:20:01,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:20:01,714 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:20:01,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:20:01,715 INFO L158 Benchmark]: Toolchain (without parser) took 4669.65ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.0MB in the beginning and 97.2MB in the end (delta: -5.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 15:20:01,715 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:01,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.81ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:01,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.43ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:01,717 INFO L158 Benchmark]: Boogie Preprocessor took 27.12ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:01,719 INFO L158 Benchmark]: RCFGBuilder took 586.08ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 62.8MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:01,719 INFO L158 Benchmark]: TraceAbstraction took 3583.70ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 62.2MB in the beginning and 101.3MB in the end (delta: -39.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-11-13 15:20:01,720 INFO L158 Benchmark]: Witness Printer took 108.32ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 97.2MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:01,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.81ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.43ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.12ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 586.08ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 62.8MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3583.70ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 62.2MB in the beginning and 101.3MB in the end (delta: -39.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Witness Printer took 108.32ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 97.2MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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 7 procedures, 246 locations, 35 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: 3.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 65 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=8, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 576 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:20:01,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e4f650-a9b4-4a24-9e9c-0201af0a6a20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE